Cummins Westport Isx12

Vehicle Details: Recalls, Investigations, Service Bulletins

Below you will find all available information on the CUMMINS WESTPORT Isx12.

ManufacturerKnown WMI(s)Fuel Type
CUMMINS WESTPORT
CUMMINS WESTPORT VIN Decoder

Use the box here to look up VINs from CUMMINS WESTPORT as well as other manufacturers

#

Sub-models: - Isx12 G -

Frequently Asked Questions
  • Are there recalls for the CUMMINS WESTPORT Isx12?
     - There are 4 recall(s) for the CUMMINS WESTPORT Isx12, additional information is below.
NHTSA Mandated Recalls
  • Recall 188015 [USA]: A fuel leak in the presence of an ignition source increases the risk of a fire.

  • Recall 116141 [USA]: An unexpected engine stall increases the risk of a crash.

  • Recall 111154 [USA]: An engine that stalls without warning increases the risk of a crash.

  • Recall 101655 [USA]: The improper operation of the sensor could induce elevated exhaust temperatures or flames from the exhaust pipe, increasing the risk of a fire or burn injury to a person near the exhaust pipe.

To ensure accuracy and for your safety, it is recommended to do a free VIN recall check here or here [USA] - UK - Canada.

Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • TSB240091 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of issue of stumbling and misfiring incidents caused by condensation ingestion from charge air cooler that have fault codes 5914 and 6413.
  • TSB230228 - ENGINE AND ENGINE COOLING: This technical service bulletin describes that froma 01 january 2024 onwards, recona? Engine part numbers as listed in table 1 below, will be shipped without an ecm (engine control module).
  • TSB210187 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of issue of fault codes 3868, 4572 and 4677 caused by diesel exhaust fluid (def) header malfunction. This is an update to the previously submitted communication.
  • TSB220122 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of exhaust gas recirculation (egr) coolant leaks caused by corrosion of the gas tubes due to certain truck wash chemicals. This is a revision to a previously submitte
  • TSB140019 - ENGINE AND ENGINE COOLING: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
  • TSB230149 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the availability of new power steering pump. If the old steering pump is replaced with new one part number 6386500 the hose fitting needs to be replaced too. This is an update to the previously subm
  • TSB130080 - ENGINE AND ENGINE COOLING: This technical service bulletin introduces a new cummins service engine model identification. This is a revision to a previous communication.
  • TSB210187 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of issue of fault codes 3868, 4572 and 4677 caused by diesel exhaust fluid (def) header malfunction. This is an update to the previously submitted communication.
  • ATC2685C - ENGINE AND ENGINE COOLING: This atc is being issued to address potential fuel shutoff valve failures on certain isx12n cm2380 x120b engines. This document authorizes cummins certified locations to replace fuel shutoff valve part number 5537854 or 5467826 with an impr
  • TSB190215 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of issue of misfiring fault codes: 5914, 5895, 5896, 5897, 5898, 5899, 5911, 6413, 6425, 6426, 6427, 6428, 6429, 6431. This is an update to the previously submitted c
  • ATC2685B - ENGINE AND ENGINE COOLING: This atc is being issued to address potential fuel shutoff valve failures on certain isx12n cm2380 x120b engines. This document authorizes cummins certified locations to replace fuel shutoff valve part number 5537854 or 5467826 with an impr
  • TSB190003 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of issue of fault codes 175, 176, and 415 (b6.7 only) and fault codes 5879 and 5881 (b, l9, x12 and x15 engines). This is an update to previously submitted communicat
  • ATC2685 A - ENGINE AND ENGINE COOLING: This atc is being issued to address potential fuel shutoff valve failures on certain isx12n cm2380 x120b engines. This document authorizes cummins certified locations to replace fuel shutoff valve part number 5537854 or 5467826 with an impr
  • TSB210154 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of issue of fault codes fc 3492, 319,and real time clock settings.
  • TSB210187 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of issue of fault codes 3868, 4572 and 4677 caused by diesel exhaust fluid (def) header malfunction. This is an update to the previously submitted communication.
  • TSB150099 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of issue of adepta?? Technology is a set of electronic features including smarttorque2 and smartcoasta??, predictive gear shifting, predictive engine braking, on-ramp
  • TSB210187 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of fault codes 3868, 4572 and 4677 caused by diesel exhaust fluid (def) header malfunction. This is an update to the previously submitted communication.
  • ATC2685 - ENGINE AND ENGINE COOLING: This atc is being issued to address potential fuel shutoff valve failures on certain isx12n cm2380x120b engines. This document authorizes cummins certified locations to replace fuel shutoff valve part number 5537854 or 5467826 with an impro
  • TSB230019-032120 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of active fault codes fc 3232 and fc 2771. This is an update to the previously submitted communication.
  • TSB210187-032020 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of the issue of combination of one or all def header fault code(s) 3868, 4572 and/or 4677 getting logged. This is an update to the previously submitted communication.
  • TSB170098-032020 - ENGINE AND ENGINE COOLING: This technical service bulletin announces introduction of new fuel shut off valves part nos. 5397343 and 4389457. This is an update to the previously submitted communication.
  • ATC2672 - ENGINE AND ENGINE COOLING: "this field action is being issued to recalibrate the engine control module (ecm) on certain x12 certified engines. A software error may lead to the engine instability issues at specific operation modes causing engine speed at idle fault co
  • C2643A - ELECTRICAL SYSTEM: This campaign is being issued to address a duplicate esn issue affecting certain mid range engines. This campaign authorizes certified service locations to replace the engine dataplate and the engine control module (ecm) dataplate, and upda
  • TSB150002 - FUEL SYSTEM, GASOLINE: This technical service bulletin describes the verification and resolution of diesel exhaust fluid (def) cleanliness. Def contamination is one of the primary contributors of aftertreatment related component malfunction.
  • TSB220059 - EQUIPMENT:ELECTRICAL: This technical service bulletin describes fault code 3838, malfunctioning internal components within the fan controller jumper harness
  • TSB190091 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of fault codes 125, 222, 2191, 2973 and/or low power, white smoke, engine misfire, aftertreatment performance complaints as caused by incorrect pressure/ temperature
  • TSB210266-111020 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of closed crankcase ventilation (ccv) breather assembly lower bearing corrosion, damage, and/or debris not allowing the ccv motor to achieve functional speed.
  • TSB220195-092220 - ENGINE AND ENGINE COOLING: This technical service bulletin has been issued for coolant level sensor identification. Symptom: there can be two coolant level sensors (typically on the bus applications) that are related to the coolant level sensor. One coolant level sen
  • TSB220192-092920 - POWER TRAIN: This technical servicel bulletin was issued for fault code 1117. Fault code 1117 detects when the ecm did not have enough time to finish writing data before losing power. FC1117 will immediately go inactive at a normal engine start up. Fc1
  • TSB210127-090920 - SERVICE BRAKES, HYDRAULIC: This technical service bulletin describes the verification and resolution of misfire fault codes without any audible misfire or performance loss (false misfire). This can be caused by aftermarket exhaust gas pressure sensors not providing e
  • ATC2630 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: This atc is being issued to address potential fuel shutoff valve failures on certain isx12n cm2380 x120b engines. This document authorizes cummins certified locations to replace fuel shutoff valve part number 5537854 or 5467826 with an imp
  • TSB220059 - ENGINE AND ENGINE COOLING: This technical service bulletin describes fault code 3838, malfunctioning internal components within the fan controller jumper harness
  • TSB190091 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of fault codes 125, 222, 2191, 2973 and/or low power, white smoke, engine misfire, aftertreatment performance complaints as caused by incorrect pressure/ temperature
  • TSB220043 - FUEL SYSTEM, DIESEL: This technical service bulletin describes the verification and resolution of an issue with the aftertreatment diesel exhaust fluid (def) controller is causing line heater fault codes to come active after installation in cold climates. This
  • TSB210101 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of insite? Electronic service tool error message when trying to enter injector bar/trim code. This is due to incorrect 10-digit bar/trim codes being used instead of t
  • TSB220009-011320 - ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS: This technical service bulletin describes the verification and resolution of incorrect minimum gap clearance used for reused spark plugs. This condition may cause rough running conditions and multiple fault codes.
  • TSB210254-010520 - ELECTRICAL SYSTEM: This technical service bulletin describes the verification and resolution of corrosion on the ignition control module pins and mating connector terminals caused by water migrating along the wires. This may cause a no-start condition.
  • TSB220085-042620 - ENGINE (PWS): This technical service bulletin explains options available for customers to maintain their aftertreatment dieselparticulate filter (dpf). This communication focuses specifically on ash cleaning since ash cleaning is typically associated wit
  • TSB220043 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of an issue with the aftertreatment diesel exhaust fluid (def) controller is causing line heater fault codes to come active after installation in cold climates.
  • TSB210272-121020 - ELECTRICAL SYSTEM: This technical service bulletin describes the process to re-enable fault code 6637 after an engine control module (ecm) calibration code update. This fault code was previously disabled.
  • TSB210266-121020 - POWER TRAIN: This technical service bulletin describes the verification and resolution of closed crankcase ventilation (ccv) breather assembly lower bearing corrosion, damage, and/or debris not allowing the ccv motor to achieve functional speed.
  • TSB210264-120620 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of incorrect tuning of the knock sensor circuit in the ecm calibration code which may cause an active in inactive fault code 572 and/or 575.
  • TSB210187-120220 - ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM): This technical service bulletin describes the verification and resolution of a combination of one or all def header fault code(s) 3868, 4572 and/or 4677. Due to def header part shortages, an ecm calibration is being released that reduces in
  • TSB200014-121420 - ELECTRICAL SYSTEM: This technical service bulletin describes the verification and resolution when fault code 7238 becomes active. Fault code 7238 ?Fuel control module - abnormal update rate? Is a fault code that indicates loss of communication on the private
  • TSB210263-112920 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of incorrect vehicle speed priority settings in engine control module (ecm) calibrations. This may mean that the driver is not be able to set the maximum cruise contr
  • C2389B - ENGINE (PWS): This campaign is being issued to address a potential oil leak from the lube oil filter on certain x15, x12, qsx15, qsm11, isx15, isx12n, and ism11 engines. This campaign authorizes certified repair locations to replace the lube oil filter i
  • TSB210192 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of engine wiring harness malfunctions causing datalink fault codes due to the use of diaelectric grease and water intrusion within the harness connector.
  • TSB210127 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of misfire fault codes without any audible misfire or performance loss (false misfire). This can be caused by aftermarket exhaust gas pressure sensors not providing e
  • TSB190091 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of fault codes 125, 222, 2191, 2973 and/or low power, white smoke, engine misfire, aftertreatment performance complaints as caused by incorrect pressure/ temperature
  • ATC2497 - ENGINE AND ENGINE COOLING: This account team coverage is being issued to address misfire related to intake valve recession on certain isx12g and isx12n engines.
  • ATC2485 - ENGINE AND ENGINE COOLING: This account team coverage is being issued to address oil consumption above published specification limits on certain isx12 g cm2180 ej and isx12n cm2380 x120b engines. In some cases, the oil consumption may result in knock faults, repeat m
  • TSB210181-081920 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of mis-calibrated turbocharger wastegate pneumatic actuators. This will cause low power condition and fc 2988 or 2989.
  • TSB210165-080220 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of closed crankcase ventilation system engine lubricating oil carryover and associated turbocharger lubricating oil leak.
  • ATC2424 - ENGINE AND ENGINE COOLING: This account team coverage is being issued to address oil consumption above published specification limits which in some cases may result in knock faults, repeat misfire, engine miss, rough running, and/or low power. This atc authorizes cer
  • RIONL21V3999140 - ENGINE AND ENGINE COOLING: Interim owner notification letters sent by cummins
  • TSB210105-051320 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of improper replacement of continuous flow valves resulting in low fuel outlet pressure.
  • TSB210101-051420 - FUEL SYSTEM, GASOLINE: This technical service bulletin describes the verification and resolution of insite electronic service tool error message when trying to enter injector bar/trim code. This is due to incorrect 10-digit bar/trim codes being used instead of th
  • TSB101120-043020 - EQUIPMENT: This technical service bulletin describes the verification and resolution of engine surge, usually with high counts of fault codes 1861, 2776 and/or 3847. The cause is found to be contamination of the air/fuel mixer and partial or complete
  • TSB150196-031620 - BRAKES (PWS): This technical service bulletin desribes the troubleshooting steps to diagnose natural gas leaks into the engine cooling system. Many natural gas fuel systems use engine coolant to warm the natural gas high pressure regulator and/or heat
  • C2053D - EQUIPMENT: This field action authorizes certified repair locations to upfit certain isx12 cm2350 engines with an improved selective catalytic reduction (scr) catalyst. For the my2013 engines, a calibration update will be required. This is an update to
  • TSB110181-020520 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagement. Some units with transfer cases have exhibited engine speed instability when the vacuum
  • C2389A - FUEL SYSTEM, OTHER:FUEL FILTER: This campaign is being issued to address a potential oil leak from the lube oil filter on certain x15, x12, qsx15, qsm11, isx15, isx12n, and ism11 engines. This campaign authorizes certified repair locations to replace the lube oil filter i
  • TSB200245-121820 - FUEL SYSTEM, GASOLINE: This technical service bulletin describes the verification and resolution of exhaust gas temperature fault codes that will not clear after repairs are made.
  • TSB200235-120420 - ELECTRICAL SYSTEM: This technical service bulletin describes the resolution of unexpected fault codes logged after engine control module (ecm) calibration code update.
  • C2389 - ENGINE AND ENGINE COOLING: This campaign is being issued to address a potential oil leak from the lube oil filter on certain x15, x12, qsx15, qsm11, isx15, isx12n, and ism11 engines. This campaign authorizes certified repair locations to replace the lube oil filter i
  • TSB150120-111020 - ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE: This technical service bulletin describes the verification and resolution of a complaint of engine will not start. When attempting to communicate with insite? Electronic service tool, error 5080 - electronic control module (ecm) rom booted
  • TSB130113-111120 - ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE: This technical service bulletin describes the verification and resolution of fault code 4585 becoming active after a calibration of the engine's engine control module (ecm). This is caused by the engine not having a compatible aftertreatme
  • TSB200175-081920 - ENGINE AND ENGINE COOLING: The parts catalog on quickserve online (qsol) references the incorrect exhaust gas recirculation (egr) differential pressure sensor, which may result in an incorrect egr differential pressure sensor being installed on on-highway natural ga
  • TSB200123-060920 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of the potential for the check engine lamp, stop engine lamp, malfunction indicator lamp, and low fuel pressure lamp are illuminated always after upfitting the engine
  • TSB200113-051320 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of more demanding duty cycles that result in increased spark plug wear, resulting in a reduction of spark plug life.
  • TSB160055-041720 - EQUIPMENT: This technical service bulletin describes the verification and resolution of customer concerns with vehicle powertrain robustness or has experienced powertraincomponent malfunctions when launching the vehicle from a stop. The smartaccel? Fe
  • ATC2287A - ENGINE (PWS): This account team coverage is being issued to authorize certified repair locations to re-calibrate the engine control module on certain isx12/isx11.9 cm2250 engines installed in certain customer vehicles that have campaign C2052 open. This
  • ATC2286A - ENGINE (PWS): This account team coverage is being issued to authorize certified repair locations to re-calibrate the engine control module on certain isx12/isx11.9 cm2250 engines installed in certain customer vehicles that have campaign C2052 open.
  • TSB190072-031020 - VEHICLE SPEED CONTROL: This technical service bulletin describes the verification and resolution to the driver may be able to exceed the maximum accelerator speed limit set in insite? Electronic service tool when in eco mode. The agility eco mode broadcast vehicl
  • TSB130133-031020 - ELECTRICAL SYSTEM: This technical service bulletin describes the verification and resolution of fault code 4585 coming active after engine control module (ecm) calibration or ecm calibration code change. To clear the active fault code 4585, a new aftertreatme
  • TSB120309-031720 - ELECTRICAL SYSTEM:SOFTWARE: This technical service bulletin describes the verification and resolution of fault code 3714, 3712, 6255, and 6254 active with no other active fault codes. Due to a software issue, fault code 3714, 3712, 6255, and 6254 may become active aft
  • T2239A - BACK OVER PREVENTION: This temporary repair practice provides for retroactive coverage of customer billable repairs completed by cummins authorized repair locations prior to the release date of this field action. This action specifically applies to system outlet
  • T2238A - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL : This temporary repair practice provides for retroactive coverage of customer billable repairs completed by cummins authorized repair locations prior to the release date of this field action. This action specifically applies to turbocharger
  • ATC2287 - ELECTRICAL SYSTEM: This account team coverage is being issued to authorize certified repair locations to re-calibrate the engine control module on certain isx12/isx11.9 cm2250 engines installed in certain customer vehicles that have campaign C2052 open.
  • TSB200014-012220 - ELECTRICAL SYSTEM: This technical service bulletin describes the verification and resolution when fault code 7238 becomes active. Fault code 7238 ?Fuel control module - abnormal update rate? Is a fault code that indicates loss of communication on the private
  • TSB190091-010220 - BACK OVER PREVENTION: This technical service bulletin describes the verification and resolution of fault codes 125, 222, 2191, 2973 and/or low power, white smoke, engine misfire, aftertreatment performance complaints as caused by incorrect pressure/ temperature
  • TSB110181-012720 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagement. Some units with transfer cases have exhibited engine speed instability when the vacuum
  • TSB190215-120620 - EQUIPMENT: This technical service bulletin describes the verification and resolution of potential misdiagnosis during troubshooting fault codes 5914, 5895, 5896, 5897, 5898, 5899, 5911, 6413, 6425, 6426, 6427, 6428, 6429, 6431. Potential misdiagnosis
  • T2239 - ENGINE AND ENGINE COOLING: This trp provides for retroactive coverage of customer billable repairs completed by cummins authorized repair locations prior to the release date of this field action. This action specifically applies to system outlet nox sensor replacemen
  • T2238 - ENGINE AND ENGINE COOLING: This temporary repair practice provides for retroactive coverage of customer billable repairs completed by cummins authorized repair locations prior to the release date of this field action. This action specifically applies to turbocharger
  • T2237 - ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER: This temporary repair practice is being issued to address turbocharger and/or system outlet nox sensor failures on certain isx12 cm2350 engines. This trp authorizes certified repair locations to replace the turbocharger and/or the system o
  • C2053C - ENGINE AND ENGINE COOLING: This field action authorizes certified repair locations to upfit certain isx12 cm2350 engines with an improved selective catalytic reduction (scr) catalyst. For the my2013 engines, a calibration update will be required. This is an update to
  • C2052D - ENGINE AND ENGINE COOLING: This field action authorizes certified repair locations to upfit certain isx15 cm2250 engines rated at 525hp-600hp and all isx12 cm2250 engines (regardless of hp rating) with an improved selective catalytic reduction (scr) catalyst. This is
  • TSB190187-111820 - POWER TRAIN: This technical service bulletin describes the verification and resolution of an incorrect transmission shift calibration in the transmission control unit.
  • TSB101120-110620 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of engine surge, usually with high counts of fault codes 1861, 2776 and/or 3847. The cause is found to be contamination of the air/fuel mixer and partial or complete
  • TSB1900910613201 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of fault codes 125, 222, 2191, 2973 and/or low power, white smoke, engine misfire, aftertreatment performance complaints as caused by incorrect pressure/ temperature
  • TSB1501200620201 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of a complaint of engine will not start. When attempting to communicate with insite? Electronic service tool, error 5080 - electronic control module (ecm) rom booted
  • TSB190072-050820 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution to the driver may be able to exceed the maximum accelerator speed limit set in insite electronic service tool when in eco mode. The agility eco mode broadcast vehicle
  • TSB150057-051720 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of water intrusion that may cause the malfunction of the aftertreatment outlet nox sensor resulting in fault code 1887, 3583 or 3545 on certain aftertreatment configu
  • TSB110181-052420 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagement. Some units with transfer cases have exhibited engine speed instability when the vacuum
  • C2139 - ENGINE (PWS): This campaign is being issued to replace the engine dataplate(s) on certain isx12n cm2380 x120b engines. The dataplates on eligible engines were printed with wrong family name.
  • TSB190039-032620 - POWER TRAIN: This technical service bulletin describes the verification and resolution of poor drivetrain performance during warmup mode when equipped with eaton? Automated manual transmission. Engine misfire fault codes and/or poor transmission shift
  • C2053B - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR: This field action authorizes certified repair locations to upfit certain isx12 cm2350 engines with an improved selective catalytic reduction (scr) catalyst. For the my2013 engines, a calibration update will be required. This is an update to
  • C2052C - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR: This field action authorizes certified repair locations to upfit certain isx15 cm2250 engines rated at 525hp-600hp and all isx12 cm2250 engines (regardless of hp rating) with an improved selective catalytic reduction (scr) catalyst. This is
  • TSB130099-020420 - EQUIPMENT ADAPTIVE/MOBILITY: This technical service bulletin describes the verification and resolution of incompatible engine control module (ecm) calibrations and aftertreatment selective catalytic reduction (scr) catalysts. Engine control module (ecm) calibrations
  • TSB120309-013120 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of fault code 3714, 3712, 6255, and 6254 active with no other active fault codes. Due to a software issue, fault code 3714, 3712, 6255, and 6254 may become active aft
  • C2053A - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL : This field action authorizes certified repair locations to upfit certain isx12 cm2350 engines with an improved selective catalytic reduction (scr) catalyst. For the my2013 engines, a calibration update will be required. This is an update to
  • C2052B - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL : This field action authorizes certified repair locations to upfit certain isx15 cm2250 engines rated at 525hp-600hp and all isx12 cm2250 engines (regardless of hp rating) with an improved selective catalytic reduction (scr) catalyst. This i
  • TSB1200600108201 - ELECTRICAL SYSTEM:WIRING: This technical service bulletin describes the verification and resolution of certain malfunctions due to incorrect switch input wiring on some engines. Certain engine control module switch inputs, such as the power take-off (pto)/accelerato
  • TSB180166-112620 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of an internal malfunction of the knock control chip in the engine control module (ecm) causing intermittent false knock signal on all six cylinders simultaneously. M
  • TSB150133-111620 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE: This techical service bulletin announces the release of new exhaust manifold gaskets and manfolds and new upper engine gasket kit part numbers to reduce instances of leaking exhaust manifold gaskets and cracked exhaust manifolds. This is a
  • CMI-Q9M8K-12 - ENGINE (PWS): This is a representative letter sent to owners to communicate an engine emissions campaign.
  • TSB150153-101620 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM: This techical service bulletin describes the verification and resolution of fault codes 3314, 3317, 3319, 3146 or 4518 caused by an aftertreatment exhaust gas temperature sensor malfunction. The cause of the malfunction has been determined
  • TSB130159-090420 - FUEL SYSTEM, GASOLINE: This technical service bulletin describes the verification and resolution of a missing poppet in the ecofit aftertreatment injector causing fault code 3167 or 1691. This issue is isolated to the new ecofit? Aftertreatment fuel injector des
  • TSB120309-092320 - ELECTRICAL SYSTEM:SOFTWARE: This technical service bulletin describes the verification and resolution of fault code 3714 active with no other active fault codes. Due to a software issue, fault code 3714 may become active after adjusting insite? Electronic service tool
  • C2053 - ENGINE AND ENGINE COOLING: This field action authorizes certified repair locations to upfit certain isx12 cm2350 engines with an improved scr catalyst. For the my2013 engines, a calibration update will be required.
  • C2052 - ENGINE AND ENGINE COOLING: This field action authorizes certified repair locations to upfit certain isx12 cm2250 and isx15 cm2250 engines rated at 525hp-600hp with an improved scr catalyst.
  • TSB180095-080620 - ENGINE AND ENGINE COOLING:ENGINE:DIESEL: This technical service bulleting describes the verification and resolution of the diesel exhaust fluid (def) system becoming contaminated with debris. Def tanks are cleaned and def dosing units or intake lines areflushed or even replaced, b
  • TSB180097-072420 - EQUIPMENT: This technical service bulletin describes the verification and resolution of an incorrect high-pressure regulator setting: set too high causing fault code 2724. The original equipment manufacturer (oem) high-pressure regulator is set higher
  • TSB120309-061320 - EQUIPMENT: This technical service bulletin describes the verification and resolution of fault code 3714 active with no other active fault codes. Due to a software issue, fault code 3714 may become active after adjusting insite? Electronic service tool
  • C2039 - ENGINE (PWS): This campaign addresses a calibration update in certain engines. The campaign enables authorized repair locations to calibrate the engine control module to the latest revision.
  • CMI-M7A9X-07 - FUEL SYSTEM, GASOLINE: This document is a representative communication sent to several oems. The communication informed the oems of a possible failure of the continuous flow valve (cfv) that may slow achievement of the desired gas flow, resulting in a fault code
  • C2039 - ELECTRICAL SYSTEM: This campaign addresses a calibration update in certain engines. The campaign enables authorized repair locations to calibrate the engine control module to the latest revision.
  • TSB160008-050120 - EQUIPMENT ADAPTIVE/MOBILITY: This technical service bulletin provides instructions for preventing the malfunction of the aftertreatment fuel injector caused by water intrusion on international prostar chassis when a new aftertreatment fuel injector is being installed.
  • TSB150006-050120 - EQUIPMENT: This technical sesrvice bulletin describes the verification and resolution of diesel exhaust fluid (def) leaking around the aftertreatment def dosing unit electrical connector, caused by internal cracking due to freezing def. Possible faul
  • CMI-T9N7V-04 - PARKING BRAKE: This is a representative communication from the cummins producing plant to possibly affected vehicle manufacturers regarding a potential loose air transfer clamp on some engines. Clamps should be inspected and torqued to 75 in. Lbs and repo
  • C1996 - FUEL SYSTEM, GASOLINE: This campaign is being issued to address incorrect insite features and parameters related to greenhouse gas parameters on certain paccar isx12 cm2350 and isx15 cm2350 engines. This campaign authorizes certified repair locations to verify th
  • C1989B - ENGINE (PWS): This campaign is being issued to address a calibration update in certain isx12 g cm2180ej engines. This document enables authorized repair locations to calibrate the engine control module (ecm) to the latest revision. This is a revision to
  • C1989 - ELECTRICAL SYSTEM:SOFTWARE: This campaign is being issued to address a calibration update in certain isx12 g cm2180ej engines. This document enables authorized repair locations to calibrate the engine control module (ecm) to the latest revision.
  • C1937 - ELECTRICAL SYSTEM:SOFTWARE: This emissions campaign is being issued to recalibrate the engine control module (ecm) of certain isx12 cm2350 engines. It provides authorization for certified repair locations to recalibrate the ecm with updated software. The calibration u
  • TSB170098-011920 - EQUIPMENT:ELECTRICAL: This technical service bulletin describes the release of a new fuel shutoff valve that are different in appearance, their electrical connectors are in different locations, and the connector pin shape is different. New fuel shutoff valves mu
  • TSB140019-111020 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
  • TSB150089-102020 - FUEL SYSTEM, DIESEL: This technical service bulletin describes the verification and resolution of some cases in which the aftertreatment diesel exhaust fluid (def) dosing lines are not being fully purged during the purge cycle. This can result in internal crack
  • TSB170100-091520 - ELECTRICAL SYSTEM:IGNITION: This technical service bulletin describes the introduction of a maintenance interval for the ignition coil extension to reduce unplanned down time.
  • TSB170076-060820 - EQUIPMENT:ELECTRICAL: This technical service bulletin describes the verification and resolution of fault codes 3838 and 6637 always inactive when viewed in insite electronic service tool on engines equipped with multiplexed variable speed fan drive.
  • TSB170063-051220 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM: This technical service bulletin describes the verfication and resolution of fault codes 3545 and 1887 caused by water or soap entering the exhaust system when vehicles are washed, contaminating the aftertreatment nox sensor element or crack
  • TSB170031-082320 - ELECTRICAL SYSTEM: This technical service bulletin describes the verification and resolution of fault code 6255 present with no other fault codes and possible diesel exahust fluid (def) lamp illumination caused by an engine control module calibration code iss
  • TSB130080-060620 - ENGINE AND ENGINE COOLING: This technical service bulletin introduces a new cummins service engine model identification. This is a revision to a previous communication.
  • TSB160066-110716 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of external oil leaks originating from a cracked rocker lever cover on certain engines caused by an oxygen sensor branch of the wire harness being pinched between the
  • C1846 - ENGINE AND ENGINE COOLING: This campaign is being issued to address calibration issues for the isx12 engines in certain motor coach applications. Certified repair locations are authorized to update the engine control module (ecm) calibration any time the unit is in
  • TSB170042-040320 - ENGINE AND ENGINE COOLING: This technical service bulletin describes the verification and resolution of electrical arcing through ignition coil extension in area where silicone extension tube is connected to spark plug boot adapter can cause visible damage and burn m
  • TSB140019-041020 - FUEL SYSTEM, GASOLINE: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
  • TSB170031-031720 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of fault code 6255 present with no other fault codes caused by an engine control module calibration code issue.
  • TSB170027-031420 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE): This technical service bulletin communicates the release of a new exhaust gas recirculation differential pressure sensor. The new exhaust gas recirculation differential pressure sensor is a more robust design and is better at reading egr di
  • TSB170025-030320 - FUEL SYSTEM, OTHER: This technical service bulletin describes the reasoning for inconsistent and vague natural gas fuel pressure readings in insite electronic service tool which are leading to unnecessary replacement of fuel system components. The technical se
  • TSB160017-031720 - EQUIPMENT:MECHANICAL: This technical service bulletin communicates the release of a new lubricating oil filter bypass valve. The oil filter bypass valve can leak, caused by improper sealing of the lubricating oil filter bypass valve plunger in the lubricating o
  • C1742C - POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM): This emissions campaign is being issued to recalibrate the engine control module (ecm) of certain isx12 and isx15 cm2350 engines. It provides authorization for certified repair locations to recalibrate the ecm installed in vehicles registe
  • TSB150104-020920 - FUEL SYSTEM, GASOLINE: This technical service bulletin describes a high pressure fuel pump performance test and new service tool to assist in troubleshooting fault code 559. This is an updated version of a previously released bulletin.
  • TSB150071-011717 - EQUIPMENT: This technical service bulletin describes the verification and resolution of fault codes 122, 123, 124, 125 or 2973 due to intake manifold pressure/temperature sensor water intrusion. This is a revision to a previous communication.
  • TSB140019-011017 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
  • TSB150116-072115 - FUEL SYSTEM, DIESEL: This technical service bulletin announces a new service tool for diesel exhaust fluid (def) system troubleshooting, especially for fault codes 1682, 3574 and 3596.
  • TSB150104-081715 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This technical service bulletin desribes a high pressure fuel pump performance test and new service tool to assist in troubleshooting fault code 559. This is an updated version of a previously released bulletin.
  • TSB101596-082415 - EQUIPMENT: This technical service bulletin introduces the required components to salvage damaged cylinder head and main bearing capscrew hole threads.
  • T1629A - EQUIPMENT: This temporary repair practice is being issued to address units that have found fault code 1887, 3545, and/or 3583 active or inactive. The implementation of this trp will correct the issue of liquid impingment by applying a water shield ov
  • CMI-K6L5D-08 - ENGINE (PWS): This communication summarized an issue with the manufacturing process of the electronic control module. This communication was sent by the engine assembly plant to vehicle oem plants. This issue could result in a blown fuse and the engine
  • C1638C - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This campaign is to replace the lubricating oil filter bypass valve. The new bypass valve design has more effective sealing capability and provides better protection to fuel pump lubricated components.
  • TSB140088-062314 - ENGINE (PWS): This technical service bulletin addresses multiple fault codes due to shorted or open circuits on certain engines causing "timeout" errors in the selectice catalytic reduction (scr) temperature sensor module, the outlet mono-nitrogen oxides
  • TSB140083-062014 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This technical service bulletin announces the release of the service part numbers for the fuel pump head barrel and plunger and the fuel pump roller tappets.
  • TSB140071-053014 - EQUIPMENT: This technical service bulletin describes the verification and resolution for fault code 2198 in certain emergency one vehicles due to oem keyswitch configurations.
  • T1479B - EQUIPMENT: As new ecm calibrations are installed, the compatibility of the ecm calibration and the scr catalyst must be maintained. This temporary repair practice allows for the inspection of the scr catalyst per tsB130099 when a new ecm calibration i
  • T1359 - ENGINE (PWS): This temporary repair practice grants approval to replace certain engines due to #1 cam bushing failures.
  • TSB140134-092914 - ENGINE (PWS): This technical service bulletin announces revised repair practices for these engines. The diesel particulate filter (dpf) must be replaced with a new or recon aftertreatment dpf when it fails the before cleaning aftertreatment dpf restrict
  • TSB140130-092314 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of fuel actuator inlet meter valve clearance issues on certain engines installed in peterbilt 365lc car haulers.
  • TSB140120-090814 - EQUIPMENT: This technical service bulletin describes the verification and resolution of fault codes 1921, 1922, 1981, 2754, 3322, 3375, 3376 and 5383 caused by insulation buildup on the aftertreatment diesel particulate filter (dpf) inlet face.
  • TSB140118-090314 - ENGINE (PWS): This technical servivce bulletin announces the release of the variable geometry turbucharger and variable geometry turbocharger electric actuator service kits for these engines.
  • TSB140115-082514 - ENGINE (PWS): This technical service bulletin describes the additional steps that vehicles certified as greenhouse gas (ghg) compliant require when an engine control module (ecm) replacement is required.
  • TSB140107-091514 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of improper routing of the twin cylinder air compressor discharge line leading to air compressor crankshaft failures in certain engines installed in paccar vehicles.
  • TSB140019-091014 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
  • TSB120280-091014 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM: This technical service bulletin describes the turbocharger repair process to remove buildup caused by coolant in the exhaust gas. A process has been developed to remove these deposits and replace the necessary components to return the turb
  • T1559 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This temporary repair practice directs the actions for certain fuel pump repairs on engines that have ceramic pumping plungers in the high pressure pump. The repair action will apply when either the ceramic plunger(s) is fractured or damag
  • C1556A - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This campaign addresses high pressure fuel pump ceramic plunger fractures in certain engines. This action authorizes certified repair locations to replace the barrels, plungers and tappets in the high pressure fuel pump head. This is a re
  • TSB130099-070714 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of incompatible engine control module (ecm) calibrations and aftertreatment selective catalytic reductin (scr) catalysts.
  • T1479B - EQUIPMENT: As new ecm calibrations are installed, the compatibility of the ecm calibration and the scr catalyst must be maintained. This temporary repair practice allows for the inspection of the scr catalyst per tsB130099 when a new ecm calibration i
  • C1516 - ENGINE (PWS): This campaign addresses air compressors on certain engines. This campaign authorizes the replacement of air compressors if the compressor date code or the crankshaft date code is on or before 22/12.
  • TSB140136-092914 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of oil leaks at the non-hydraulic drive front cover. This leakage is attributed to porosity in a wall of the cast aluminum gear housing in certain engines.
  • TSB140134-100914 - ENGINE (PWS): This technical service bulletin announces revised repair practices for these engines. The diesel particulate filter (dpf) must be replaced with a new or recon aftertreatment dpf when it fails the before cleaning aftertreatment dpf restrict
  • TSB140118-102314 - ENGINE (PWS): This technical servivce bulletin announces the release of the variable geometry turbucharger and variable geometry turbocharger electric actuator service kits for these engines.
  • TSB140105-092814 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of fault code(s) 1883, 1921, 1922, 1981, 2639, 3135 and 3168 caused by incorrect orientation of the aftertreatment diesel particulate filter (dpf) differential press
  • TSB140019-102914 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
  • TSB130099-100614 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of incompatible engine control module (ecm) calibrations and aftertreatment selective catalytic reductin (scr) catalysts. This is a revision to a previous communica
  • TSB110181-092914 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagement. Some units with transfer cases have exhibited engine speed instability when the vacuu
  • T1559A - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This temporary repair practice directs the actions for certain fuel pump repairs on engines that have ceramic pumping plungers in the high pressure pump. The repair action will apply when either the ceramic plunger(s) is fractured or damag
  • C1561 - ENGINE (PWS): This campaign addresses conversion efficiency issues on certain engines with aftertreatement configurations in which the decomposition reactor tube (drt) is directly connected to a side-in scr (selective calaytic reduction). The scr must
  • C1556C - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This campaign addresses high pressure fuel pump ceramic plunger fractures in certain engines. This action authorizes certified repair locations to replace the barrels, plungers and tappets in the high pressure fuel pump head. This is a re
  • C1516A - ENGINE (PWS): This campaign addresses air compressors on certain engines. This campaign authorizes the replacement of air compressors if the compressor date code or the crankshaft date code is on or before 22/12. This is a revision to a previous commun
  • TSB140159-110514 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This technical service bulletin describes the verification and resolution of fault codes 1139, 1141, 1142, 1143, 1144 or 1145 caused by fuel pump inlet banjo sealing washer debris.
  • TSB140156-110514 - FUEL SYSTEM, DIESEL: This technical service bulletin describes the verification and resolution of extended aftertreatment diesel exhaust fluid (def) dosing unit purge time.
  • TSB140141-093014 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE): This technical service bulletin provides repair instructions for engines equipped with a certain exhaust outlet pipe assembly. If a leak of the joint between the exhaust outlet pipe and the exhaust manifold or a leak between the exhaust g
  • TSB130080-118114 - ENGINE (PWS): This technical service bulletin introduces a new cummins service engine model identification. This is a revision to a previous communication.
  • T1559A - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP: This temporary repair practice directs the actions for certain fuel pump repairs on engines that have ceramic pumping plungers in the high pressure pump. The repair action will apply when either the ceramic plunger(s) is fractured or damag
  • T1486A - ENGINE (PWS): This temporary repair practice authorizes repair locations to remove and discard the laminar flow screen on certain engines when working on the fuel control housing or removing the fuel transfer tube. This is a revision to a previous commu
  • C1556D - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP: This campaign addresses high pressure fuel pump ceramic plunger fractures in certain engines. This action authorizes certified repair locations to replace the barrels, plungers and tappets in the high pressure fuel pump head. This is an r
  • TSB140173-121814 - EQUIPMENT: This technical service bulletin describes the verification and resolution of instances where the dynamic engine system analysis (desa) tool will not work. This issue may be corrected by downloading theh lastest version of the desa tool fro
  • TSB140168-120114 - FUEL SYSTEM, OTHER: This technical service bulletin announces a new service tool fuel return hose and updated service manual procedure to decrease the occurrence of falsely identifying leaking fuel pressure relief valves.
  • TSB140137-093014 - EQUIPMENT: This technical service bulletin describes the verification and resolution of variable geometry turbocharger (vgt) turbocharger bearing housing leak tests failing due to a leak caused by the service tool.
  • C1516A - EQUIPMENT: This campaign addresses air compressors on certain engines. This campaign authorizes the replacement of air compressors if the compressor date code or the crankshaft date code is on or before 22/12. This is a revision to a previous commun
  • TSB150006-012815 - FUEL SYSTEM, DIESEL: This technical sesrvice bulletin describes the verification and resolution of diesel exhaust fluid (def) leaking around the aftertreatment def dosing unit electrical connector, caused by internal cracking due to freezing def. Possible faul
  • TSB140170-121114 - ENGINE (PWS): This technical service bulletin introduces a new intake manifold cover for the engine. The new intake manifold changes the location and orientiation of the intake manifold pressure/temperature sensor to a revised location on the intake man
  • TSB140169-120114 - EQUIPMENT: This technical service bulletin describes fuel lift pump obsolesence and supercession in order to address instances of fault code 2265 due to open circuits in the fuel lift pump on certain engines.
  • TSB140105-010815 - EQUIPMENT: This technical service bulletin describes the verification and resolution of fault code(s) 1883, 1921, 1922, 1981, 2639, 3135 and 3168 caused by incorrect orientation of the aftertreatment diesel particulate filter (dpf) differential press
  • TSB140019-010715 - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
  • TSB140002-011215 - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP: This technical service bulletin describes the verification and resolution of electric fuel lift pumps not operating on certain engines due to a lack of voltage supply from the engine control module (ecm). Engines may be difficult to start
  • TSB130159-093014 - EQUIPMENT: This technical service bulletin informs the field of a missing poppet in the ecofit aftertreatment injector causing fault code 3167 or 1691. This is a reissue of a previous communication.
  • TSB130099-011915 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of incompatible engine control module (ecm) calibrations and aftertreatment selective catalytic reductin (scr) catalysts. This is a revision to a previous communica
  • T1479C - ENGINE (PWS): As new ecm calibrations are installed, the compatibility of the ecm calibration and the scr catalyst must be maintained. This temporary repair practice allows for the inspection of the scr catalyst per tsB130099 when a new ecm calibration i
  • T1559B - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This temporary repair practice directs the actions for certain fuel pump repairs on engines that have ceramic pumping plungers in the high pressure pump. The repair action will apply when either the ceramic plunger(s) is fractured or damag
  • TSB150038-031715 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE): This technical service bulletin describes the proper troubleshooting and repair steps for egr cooler leaks. This is address egr coolers that are erroneously replaced due to signs of moisture in the egr cooler or egr crossover tube and hard
  • TSB150032-030915 - EQUIPMENT: This technical service bulletin introduces the release of a revised piston, piston rings, piston kit, and piston ring set and explains interchangeability.
  • TSB150002-010815 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of diesel exhaust fluid (def) cleanliness. Def contamination is one of the primary contributors of aftertreatment related component malfunction
  • TSB140120-032015 - EQUIPMENT: This technical service bulletin describes the verification and resolution of fault codes 1921, 1922, 1981, 2754, 3322, 3375, 3376 and 5383 caused by insulation buildup on the aftertreatment diesel particulate filter (dpf) inlet face. This
  • TSB140019-031715 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
  • CMI-N5L2B-03 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This memorandum, made availble to cummins customers and authorized repair locations, provides an explanation of the fuel pump campaigns being superceded by a new lube oil filter bypass valve campaign.
  • CMI-M8V9S-03 - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP: This document, distributed to the cummins distributors and dealers, provides an overview discussion of the fuel pump campaigns and temporary repair practices being superceded to a new lube oil filter head bypass valve campaign.
  • C1561A - ENGINE (PWS): This campaign addresses conversion efficiency issues on certain engines with aftertreatement configurations in which the decomposition reactor tube (drt) is directly connected to a side-in scr (selective calaytic reduction). The scr must
  • TSB150045-040615 - ENGINE (PWS): This technical service bulletin describes verification and resolution of repeat visits for engine misfire, engine stumble, or reduced spark plug life due to ignition coil failures not detected during repair or maintenance events.
  • TSB150042-032715 - EQUIPMENT: This technical service bulletin describes the verification and resolution of turbocharger speed sensor wire fretting and turbocharger speed sensor malfunction that may result in fault code 687.
  • TSB140060-040915 - ENGINE (PWS): This technical service bulletin discribes the verification and resolution of fault codes 155 and/or 2964 due to intake manifold temperature sensor failures with a certain date code range exhibiting a high rate of early life failures.
  • TSB130099-040915 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of incompatible engine control module (ecm) calibrations and aftertreatment selective catalytic reductin (scr) catalysts.
  • TSB130080-040215 - EQUIPMENT: This technical service bulletin introduces a new cummins service engine model identification. This is a revision to a previous communication.
  • TSB110181-042215 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagement. Some units with transfer cases have exhibited engine speed instability when the vacuu
  • TSB110181-042215 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagement. Some units with transfer cases have exhibited engine speed instability when the vacuu
  • TSB150074-051915 - EQUIPMENT: This techical service bulletin announces a new turbocharger coolant leak test kit to perform turbocharger coolant leak tests.
  • TSB150073-051815 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of an anti-lock brake system (abs) fault lamp illuminating immediately after an engine control module (ecm) calibration on certain vehicles equipped with a bendix ec
  • TSB150071-051415 - EQUIPMENT: This technical service bulletin describes the verification and resolution of fault codes 122, 123, 124, 125 or 2973 due to intake manifold pressure/temperature sensor water intrusion.
  • TSB150068-051115 - EQUIPMENT: This technical service bulletin describes the verfication and resolution of fault code 2722 due to a low pressure regulator housing casting defect.
  • TSB150065-050615 - ENGINE (PWS): This technical service bulletin introduces a new oxygen sensor wire harness adapter. The adapter provides a solid barrier between the oxygen sensor and the engine wiring harness, preventing inacccurate readings of the oxygen sensor.
  • TSB150055-042215 - EQUIPMENT: This technical service bulletin announces the introduction of a new aftertreatment diesel exhaust fluid (def) dosing valve gasket to reduce failures experienced with the original design on certain original equipment manufacturer (oem) appli
  • TSB140120-051315 - ENGINE AND ENGINE COOLING:ENGINE:DIESEL: This technical service bulletin describes the verification and resolution of fault codes 1921, 1922, 1981, 2754, 3322, 3375, 3376 and 5383 caused by insulation buildup on the aftertreatment diesel particulate filter (dpf) inlet face. This
  • C1638 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This campaign is to replace the lubricating oil filter bypass valve on certain engines. This action supercedes previous fuel pump repair actions. The new bypass valve has improved sealing capability and provides better protection to fuel
  • TSB150095-061215 - ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER: This technical service bulletin announces the release of new turbocharger turbine housing repair kits.
  • TSB150057-062515 - EQUIPMENT: This technical service bulletin describes the troubleshooting and repair steps to correct water intrusion that may cause the malfunction of the aftertreatment outlet nox sensor resulting in fault code 1887, 3583 or 3545 on certain aftertrea
  • TSB140120-060415 - EQUIPMENT: This technical service bulletin describes the verification and resolution of fault codes 1921, 1922, 1981, 2754, 3322, 3375, 3376 and 5383 caused by insulation buildup on the aftertreatment diesel particulate filter (dpf) inlet face.
  • TSB103765-060215 - ENGINE (PWS): This technical service bulletin revises the service procedure clean and inspect for reuse for non-shielded spark plugs.
  • C1638B - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This campaign is to replace the lubricating oil filter bypass valve. The new bypass valve design has more effective sealing capability and provides better protection to fuel pump lubricated components. This is a revision to a previous com
  • TSB160021-031516 - ENGINE (PWS): This technical service bulletin announces the release of a new j1939 datalink coomponent isolation kit service tool. This tool will help troubleshoot j1939 components that will not communicate with the engine control module.
  • TSB120060-031716 - ELECTRICAL SYSTEM:WIRING: This technical service bulletin describes the verification and resolution of certain malfunctions due to incorrect switch input wiring on some engines. Certain engine control module switch inputs, such as the power take-off (pto)/accelerat
  • TSB110181-031416 - ELECTRICAL SYSTEM:SOFTWARE: This technical service bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagement. Some units with transfer cases have exhibited engine speed instability when the vacuu
  • T1706A - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: This temporary repair practive is being issued to authorize the replacement of the lubricating oil filter bypass valve on certain isx12 and isx15 engines anytime the unit is in for maintenance or repairs, with certain restrictions on reimbu
  • CMI-C2L2Y-03 - EQUIPMENT: This representatitive communication was sent from the engine assembly plant to a vehicle assembly plant informing them of a production issue with crankshaft gears that resulted in gear whine. Corrective action including a screen was implem
  • C1742B - EQUIPMENT: This emissions campaign is being issued to recalibrate the engine control module (ecm) of certain isx12 and isx15 cm2350 engines. It provides authorization for certified repair locations to recalibrate the ecm installed in vehicles registe
  • ATC1754 - EQUIPMENT: This account team coverage addresses certain air compressors and cooling system in certain chassis. It authorizes the replacement of certain cooling system components and replacement of the air compressor if the air compressor plumbing ha
  • TSB140019-041116 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
  • ATC1490B - ENGINE (PWS): This account team coverage is being issued to complete four specific field actions against a select population of isx11.9/12 engines. Certain engines in the population have already received some of these field actions and will only require
  • TSB150127-072715 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of idle surge caused by low pressure regulator oscillations. Fault codes 6396 or 1861 may be associated with an oscillating low pressure regulator.
  • TSB150113-071515 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: This technical service bulletin announces a new fuel pump with a diamond-like coated tappet roller pin. The new roller pins are less susceptiblel to debris or corrosion damage, which can lead to a fuel pump failure.
  • TSB150104-071515 - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP: This technical service bulletin desribes a high pressure fuel pump performance test and new service tool to assist in troubleshooting fault code 559.
  • TSB150089-060415 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM: This technical service bulletin introduces a revised backflow connector for the bosch aftertreatment def (diesel exhaust fluid) dosing unit. In some cases, the aftertreatment def dosing lines are not being fully purged during the purge cyc
  • T1629 - EQUIPMENT: This temporary repair practice is being issued to address units that have found fault code 1887, 3545, and/or 3583 active or inactive. The implementation of this trp will correct the issue of liquid impingment by applying a water shield ov
  • ATC1685 - ENGINE (PWS): This account team coverage addresses certain engines tha have experienced internally leaking def pumps caused by freezing def due to incomplete purges on shut down. Certified repair locations are authorized to replace the back flow connect
  • TSB150153-091515 - ENGINE (PWS): This techical service bulletin describes the verification and resolution of fault codes 3314, 3317, 3319, 3146 or 4518 caused by an aftertreatment exhaust gas temperature sensor malfunction.
  • TSB150149-090815 - EQUIPMENT: This technical service bulletin explains that the aftertreatment diesel particulate filter (dpf) design was changed. Because of this physical design change, service locations questioned if the aftertreatment dpf had a manufacturing defect
  • TSB150133-092515 - EQUIPMENT: This techical service bulletin announces the release of new exhaust manifold gaskets and manfolds and new upper engine gasket kit part numbers to reduce instances of lkeaing exhaust manifold gaskets and cracked exhaust manifolds.
  • T1629A - ENGINE (PWS): This temporary repair practice is being issued to address units that have found fault code 1887, 3545, and/or 3583 active or inactive. The implementation of this trp will correct the issue of liquid impingment by applying a water shield ov
  • TSB150158-100215 - EQUIPMENT: This technical service bulletin describes the verification and resolution of aftertreatment diesel exhaust fluid (def) dosing units being incorrectly identified as failed after finding what was thought to be a def leak. This is normal and
  • TSB160093-090116 - ELECTRICAL SYSTEM: This technical service bulletin describes the verification and resolution of fault code 3748 resulting from an aftertreatment intake nox sensor malfunction and incorrrect engine control module (ecm) calibration tuning on certain engines.
  • TSB150153-090616 - ENGINE (PWS): This techical service bulletin describes the verification and resolution of fault codes 3314, 3317, 3319, 3146 or 4518 caused by an aftertreatment exhaust gas temperature sensor malfunction. This is an update to a previous communication.
  • TSB150073-092116 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of an anti-lock brake system (abs) fault lamp illuminating immediately after an engine control module (ecm) calibration on certain vehicles equipped with a bendix ec
  • TSB140168-092515 - FUEL SYSTEM, OTHER: This technical service bulletin announces a new service tool fuel return hose and updated service manual procedure to decrease the occurrence of falsely identifying leaking fuel pressure relief valves. This is an update to a previously sub
  • TSB130080-100615 - ENGINE (PWS): This technical service bulletin introduces a new cummins service engine model identification
  • TSB150071-092116 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of fault codes 122, 123, 124, 125 or 2973 due to intake manifold pressure/temperature sensor water intrusion. This is a revision to a previous communication.
  • TSB130080-090716 - ENGINE (PWS): This technical service bulletin introduces a new cummins service engine model identification. This is a revision to a previous communication.
  • TSB130042-092116 - ENGINE (PWS): This technical service bulletin describes an issue where inactive fault codes are present in the engine control module (ecm) after a calibration download. The malfunction indicator lamp (mil) may also be illuminated. The resolution for t
  • TSB100031-092116 - ENGINE (PWS): This technical servivce bulletin describes an issue where the malfunction indicator lamp (mil) will be illuminated with no fault codes present in the engine control module (ecm). The resolution for the issue is described.
  • TSB150184-112315 - EQUIPMENT: This technical service bulletin announces a new selective catalytic reduction (scr) system diagnostic test in the insite electronic service tool.
  • TSB150089-110315 - ENGINE (PWS): This technical service bulletin introduces a revised backflow connector for the bosch aftertreatment def (diesel exhaust fluid) dosing unit. In some cases, the aftertreatment def dosing lines are not being fully purged during the purge cyc
  • TSB140019-101915 - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
  • T1706A - ENGINE (PWS): This temporary repair practice is being issued to authorize the replacement of the lubricating oil filter bypass valve on certain isx12 and isx15 engines anytime the unit is in for maintenance or repairs, with certain restrictions on reimbu
  • ATC1538A - ENGINE (PWS): This account team coverage grants approval to replace certain engines due to #1 cam bushing failures.
  • TSB120300-112812 - ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS: This technical service bulletin desribes the verification and resolution of a chirping noise heard from the primary belt drive on some engines. Primary belt noise, described as a chirping noise, is being heard at the water pump. The water
  • C1262 - ENGINE (PWS): This campaign improves engine and aftertreatment reliability. It authorizes certified repair locations to recalibrate the engine withh improved software.
  • TSB130155-102213 - ELECTRICAL SYSTEM: This technical service bulletin raises field awareness and describes corrective action for peterbilt 320, 386, 587 and medium duty chassis battery box harness isssues. Damage to components within the battery box has resulted in heated def
  • TSB130154-102213 - FUEL SYSTEM, DIESEL: This technical service bulletin addresses active or intermittent occurrences of fault code 3596 in peterbilt legacy (367, 386, 388 and 389) models. Ground wiring at the diesel exhaust fluid (def) pump connector has been incorrectly pinned
  • TSB130140-100213 - ENGINE (PWS): This technical service bulletin addresses fault code 3911 in certain engines installed in peterbilt 320 chassis. The root cause is related to the voltage to the ammonium hydroxide nh3 sensor dipping below the 9 volt specification, causing
  • TSB130113-072913 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of fault code 4585 becoming active after a calibration of the engine's engine control module (ecm). This is caused by the engine not having a compatible aftertreatme
  • T1382 - FUEL SYSTEM, DIESEL: This temporary repair practice addresses fault code 3568 occurances on engines in all peterbilt and kenworth vehicles with a particular exhaust/aftertreatment configuration. This action will mitigate failures caused by urea crystallization
  • T1379 - FUEL SYSTEM, DIESEL: This temporary repair practice addresses fault code 3569 occurrences on engines in all peterbilt vehicles with a particular exhaust/aftertreatment configuration. This action will mitigate failures caused by urea crystallization inside the
  • TSB130081-042913 - FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY: This technical service bulletin describes the verification and resolution of fault code 2222 caused by the absence of the required fuel tank level input multiplexed to the engine control module (ecm).
  • TSB150133-070116 - ENGINE (PWS): This techical service bulletin announces the release of new exhaust manifold gaskets and manfolds and new upper engine gasket kit part numbers to reduce instances of lkeaing exhaust manifold gaskets and cracked exhaust manifolds. This is a
  • TSB100890-012813 - ENGINE (PWS): This technical service bulletin announces the release of a crankcase breather heater, insulation, and related parts of the external crankcase breather system on the affected engines. The heater and insulation are designed to reduce the pos
  • T1354 - FUEL SYSTEM, DIESEL: This temporary repair practice permits cleaning/replacing a diesel particulate filter (dpf) on certain engines which experience fault codes 3375, 3376, 1981 or 1922. In order to qualify, troubleshooting must have been completed and there i
  • TSB140013-012514 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of certain fault codes occuring while operating in temperatures below freezing (32 degrees f). Condensation forms in the charge-air cooler, exhaust gas recirculation
  • TSB130151-012114 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of suceptability to low coolant fault diagnostics due to coolant sensor wiring in kenworth t600, t800 and w900 chassis. Some of these vehicles were built with incorr
  • TSB120060-120513 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of certain malfunctions due to incorrect switch input wiring on some engines. Certain engine control module switch inputs, such as the power take-off (pto)/accelerat
  • TSB100984-010314 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of fault codes 1921, 1922 and/or 3753 due to the vehicle not actively regenerating the aftertreatment while in power takeoff (pto) and remote mode. If the engine is
  • TSB140013-022714 - FUEL/PROPULSION SYSTEM (PWS): This technical service bulletin describes the verification and resolution of certain fault codes occuring while operating in temperatures below freezing (32 degrees f). Condensation forms in the charge-air cooler, exhaust gas recirculation
  • TSB130182-020314 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of fault codes 1921, 1922, 1981, 3375 and 3376 being set on certain engines installed in paccar chassis due to incorrect ground wiring in the diesel exhaust fluid (de
  • TSB130155-020314 - ELECTRICAL SYSTEM: This technical service bulletin raises field awareness and describes corrective action for peterbilt 320, 386, 587 and medium duty chassis battery box harness isssues. Damage to components within the battery box has resulted in heated def
  • TSB130017-012113 - ELECTRICAL SYSTEM: This technical service bulletin describes the verification and resolution of fault code 3258 due to a missing oem fuse in peterbilt 579 and kenworth t680 chassis. The fuse that powers the diesel exhaust fluid (def) line heater relay was n
  • TSB130081-031114 - ELECTRICAL SYSTEM: This technical service bulletin describes the verification and resolution of fault code 2222 caused by the absence of the required fuel tank level input multiplexed to the engine control module (ecm). This is a revision to a previous comm
  • TSB140019-070516 - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
  • T1354A - ENGINE AND ENGINE COOLING:ENGINE:DIESEL: This temporary repair practice permits cleaning/replacing a diesel particulate filter (dpf) on certain engines which experience fault codes 3375, 3376, 1981 or 1922. In order to qualify, troubleshooting must have been completed and there i
  • TSB140038-040614 - ELECTRICAL SYSTEM: This technical service bulletin describes the verification and resolution of inlet and outlet nox sensor wire lead damage caused by the use of incorrect wire ties.
  • TSB140019-021414 - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
  • TSB130182-041414 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of fault codes 1921, 1922, 1981, 3375 and 3376 being set on certain engines installed in paccar chassis due to incorrect ground wiring in the diesel exhaust fluid (de
  • T1486 - ENGINE (PWS): This temporary repair practice authorizes repair locations to remove and discard the laminar flow screen on certain engines when working on the fuel control housing or removing the fuel transfer tube.
  • T1479A - ELECTRICAL SYSTEM: As new ecm calibrations are installed, the compatibility of the ecm calibration and the scr catalyst must be maintained. This temporary repair practice allows for the inspection of the scr catalyst per tsB130099 when a new ecm calibration i
  • T1354A - ENGINE (PWS): This temporary repair practice permits cleaning/replacing a diesel particulate filter (dpf) on certain engines which experience fault codes 3375, 3376, 1981 or 1922. In order to qualify, troubleshooting must have been completed and there i
  • TSB140060-050814 - ENGINE (PWS): This technical service bulletin discribes the verification and resolution of fault codes 155 and/or 2964 due to intake manifold temperature sensor failures with a certain date code range exhibiting a high rate of early life failures.
  • TSB140048-042914 - ELECTRICAL SYSTEM: This technical service bulletin describes the verification and resolution of leaking diesel exhaust fluid (def) leaking from the aftertreatment def dosing unit electrical connector. Multiple electrical diagnostic fault codes can be set due
  • TSB140046-041514 - ENGINE (PWS): This technical service bulletin introduces the release of a revised air compressor repair kit for cummins air compressors. The revised kit provides the necessary parts to repair the air compressor by replacing the compressor head assembly.
  • TSB140041-050614 - ELECTRICAL SYSTEM: This technical service bulletin describes the verification and resolution of greenhouse gas (ghg) parameters for vehicle speed and idle shutdown programmed incorrectly in certain paccar vehicles. Ghg parameters are password protected by t
  • T1479E - EQUIPMENT: As new ecm calibrations are installed, the compatibility of the ecm calibration and the scr catalyst must be maintained. This temporary repair practice allows for the inspection of the scr catalyst per tsB130099 when a new ecm calibration i
  • TSB130159-050814 - FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS: This technical service bulletin informs the field of a missing poppet in the ecofit aftertreatment injector causing fault code 3167 or 1691.
  • T1382A - ENGINE (PWS): This temporary repair practice addresses fault code 3568 occurances on engines in all peterbilt and kenworth vehicles with a particular exhaust/aftertreatment configuration. This action will mitigate failures caused by urea crystallization
  • T1379A - ENGINE AND ENGINE COOLING:ENGINE:DIESEL: This temporary repair practice addresses fault code 3569 occurances on engines in all peterbilt vehicles with a particular exhaust/aftertreatment configuration. This action will mitigate failures caused by urea crystallization inside the d
  • C1437B - ELECTRICAL SYSTEM: This campaign was issues to improve engine and aftertreatment reliability. It provides authorization for certified repair locations to recalibrate the engine with improved software.
  • TSB160027-031516 - POWER TRAIN: This technical service bulletin informs the field of a new throttle body intake filter screen. The new filter screen prevents any ice that can form in the charge air cooler from entering the air intake manifold.
  • TSB150104-072516 - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP: This technical service bulletin describes a high pressure fuel pump performance test and new service tool to assist in troubleshooting fault code 559. This is an updated version of a previously released bulletin.
  • TSB150071-081616 - ENGINE (PWS): This technical service bulletin describes the verification and resolution of fault codes 122, 123, 124, 125 or 2973 due to intake manifold pressure/temperature sensor water intrusion. This is a revision to a previous communication.
  • TSB150006-072216 - ENGINE AND ENGINE COOLING:ENGINE:DIESEL: This technical sesrvice bulletin describes the verification and resolution of diesel exhaust fluid (def) leaking around the aftertreatment def dosing unit electrical connector, caused by internal cracking due to freezing def. Possible faul
  • TSB150191-121415 - ENGINE (PWS): This technical service bulletin announces the release of a new lubricating oil cooler element, which has been updated to prevent copper leaching into the engine lubricating oil.
  • TSB150187-120815 - EQUIPMENT: This technical service bulletin describes the verification and resolution of metallic debris which was introduced onto injectors in certain engines during the engine assembly process. The metallic debris can cause a short circuit path with
  • T1706A - ENGINE (PWS): This temporary repair practive is being issued to authorize the replacement of the lubricating oil filter bypass valve on certain isx12 and isx15 engines anytime the unit is in for maintenance or repairs, with certain restrictions on reimbu
  • TSB150196-121615 - ENGINE (PWS): This technical service bulletin desribes the troubleshooting steps to diagnose natural gas leaks into the engine cooling system. Many natural gas fuel systems use engine coolant to warm the natural gas high pressure regulator and/or heat
  • T1706A - ENGINE (PWS): This temporary repair practive is being issued to authorize the replacement of the lubricating oil filter bypass valve on certain isx12 and isx15 engines anytime the unit is in for maintenance or repairs, with certain restrictions on reimbu
  • T1629B - ENGINE (PWS): This temporary repair practice is being issued to address units that have found fault code 1887, 3545, and/or 3583 active or inactive. The implementation of this trp will correct the issue of liquid impingment by applying a water shield ov
  • C1742 - ENGINE (PWS): This emissions campaign is being issued to recalibrate the engine control module (ecm) of certain isx12 and isx15 cm2350 engines. It provides authorization for certified repair locations to recalibrate the ecm installed in vehicles registe
  • TSB160017-021616 - ENGINE (PWS): This technical service bulletin communicates the release of a new lubricating oil filter bypass valve. The oil filter bypass valve can leak, caused by improper sealing of the lubricating oil filter bypass valve plunger in the lubricating o
  • TSB160010-020216 - FUEL SYSTEM, DIESEL: This technical service bulletin communicates an error message when making adjustments to the aftertreatment diesel exhaust fluid level system configuration programmable parameters with the insite electronic service tool.
  • TSB150200-122115 - FUEL SYSTEM, DIESEL: This technical service bulletin provides the information regarding proper troubleshooing of fault code 2725.
  • TSB150197-121615 - EQUIPMENT: This technical service bulletin instructs service technicians to use certain previous versions of the incal dvd if, when attempting to calibrate a turbocharger actuator using the calibrations from the december 2015 incal dvd, a message stat
  • TSB150180-110915 - ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR: This technical service bulletin introduces a new low pressure regulator fuel control cover. The low pressure regulator can collect condensation and under certain conditions the low pressure regulator can freeze after the engine is shutdown
  • TSB150089-020516 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM: This technical service bulletin introduces a revised backflow connector for the bosch aftertreatment def (diesel exhaust fluid) dosing unit. In some cases, the aftertreatment def dosing lines are not being fully purged during the purge cyc
  • CMI-U928Y-02 - ELECTRICAL SYSTEM:SOFTWARE: This is a representative letter sent to owners to communicate an engine emissions campaign.
  • TSB160024-030916 - ENGINE (PWS): This technical service bulletin describes the trouble shooting and repair steps to address lubricating oil pressure and low idle and fault code 143 in certain engines due to the small diameter of a remote mounted lubricating oil filter head
  • TSB150104-050516 - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP: This technical service bulletin desribes a high pressure fuel pump performance test and new service tool to assist in troubleshooting fault code 559. This is an updated version of a previously released bulletin.
  • TSB150057-062116 - EQUIPMENT: This technical service bulletin describes the troubleshooting and repair steps to correct water intrusion that may cause the malfunction of the aftertreatment outlet nox sensor resulting in fault code 1887, 3583 or 3545 on certain aftertrea
  • TSB150038-060623 - EQUIPMENT: This technical service bulletin describes the proper troubleshooting and repair steps for egr cooler leaks. This is address egr coolers that are erroneously replaced due to signs of moisture in the egr cooler or egr crossover tube and hard
  • TRP1479D - ENGINE (PWS): As new ecm calibrations are installed, the compatibility of the ecm calibration and the scr catalyst must be maintained. This temporary repair practice allows for the inspection of the scr catalyst per tsB130099 when a new ecm calibration i
  • ATC1754A - SERVICE BRAKES, AIR:SUPPLY:COMPRESSOR: This account team coverage is being issued to address certain isx12 cm2250 air compressors and cooling system in fdny ferrara chassis. It authorizes certified repair locations to replace specified cooling system components and replace the a
  • ATC1739A - SERVICE BRAKES, AIR:SUPPLY:COMPRESSOR: This account team coverage is being issued to address isx12 cm2250 and cm2350 air compressors. It authorizes certified repair locations to replace the air compressor if the air compressor plumbing has been converted from boosted to natural
  • ATC1490B - ENGINE (PWS): This account team coverage is being issued to complete four specific field actions against a select population of isx11.9/12 engines. Certain engines in the population have already received some of these field actions and will only require
  • TSB160017-021616 - EQUIPMENT: This technical service bulletin communicates the release of a new lubricating oil filter bypass valve. The oil filter bypass valve can leak, caused by improper sealing of the lubricating oil filter bypass valve plunger in the lubricating o
  • TSB160010-020216 - EQUIPMENT: This technical service bulletin communicates an error message when making adjustments to the aftertreatment diesel exhaust fluid level system configuration programmable parameters with the insite electronic service tool.
  • TSB150089-020516 - EQUIPMENT: This technical service bulletin introduces a revised backflow connector for the bosch aftertreatment def (diesel exhaust fluid) dosing unit. In some cases, the aftertreatment def dosing lines are not being fully purged during the purge cyc
  • CMI-U928Y-02 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL: This is a representative letter sent to owners to communicate an engine emissions campaign.
  • 15E-073 - ENGINE (PWS): Summary to be provided on a future date.
  • TSB-150127 - EQUIPMENT: Cummins: some engines experience low pressure regulators oscillation that can causes an idle surge, intermittently and have n impact on pressure readings in insite electronic service tool but affects gas mass flow sensor measurement. Mode
  • TSB-150003 - ENGINE (PWS): Cummins: information regarding the change and shape of engine brake where the engine brake solenoids have changed and location due to engine standardized brake design across isx12 and isx12 g models. Isx12 c. N years listed. *
Known Recall Investigations
  • Ice may form in intake manifold investigation # EQ14005

    The closing report is attached.

© dot.report 2024

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.