Mack Lr
Vehicle Details: Service Bulletins
MACK VIN Decoder
Use the box here to look up VINs from MACK as well as other manufacturers
Frequently Asked Questions
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Where is the MACK LR produced?
- The MACK LR is produced in Greensboro North Carolina, United States (usa).
NHTSA Mandated Recalls
Bulletins
Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.
- S7627 - ENGINE AND ENGINE COOLING: Mack mmd alternator pulley
- KC-2244 - SUSPENSION: Mack model te,lr - frame over height
- KC-880 - VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:CONDENSOR/EVAPORATOR: Evaporator may not drain properly and may lead to blower motor failure
- KC-733 - ENGINE AND ENGINE COOLING: Back office mack chassis - secondary gauge set up - model year 2018 and newer.
- KC-2107 - ENGINE AND ENGINE COOLING: Def level (uqls) sensor troubleshooting guide - us17+obd16 emissions and newer.
- KC-2112 - ELECTRICAL SYSTEM: Programming failure - chassis with cummins engine and an allison transmission
- KC-2116 - ENGINE AND ENGINE COOLING: Nox sensor troubleshooting guide - us10+obd13 and newer emissions.
- KC-2143 - VEHICLE SPEED CONTROL: (back office) - cruise control inoperative after updating software vecu5 without esp package (uesp).
- KC-2157 - FUEL SYSTEM, GASOLINE: Aftertreatment hydrocarbon injector (ahi) troubleshooting guide - us10+obd13 and newer emissions.
- KC-2158 - ENGINE AND ENGINE COOLING: Selective catalytic reduction (scr) muffler troubleshooting guide - us10+obd13 and newer emissions.
- KC-2165 - ENGINE AND ENGINE COOLING: Def pump troubleshooting guide - us10+obd13 and newer emissions.
- KC-399 - ELECTRICAL SYSTEM: Vehicle overspeed warning comes active at a lower speed than expected; vehicle overspeed warning in driver information display (did) - model year 2018 and newer with new style instrument cluster.
- KC-405 - POWER TRAIN: Warranty automated manual transmission ( amt, i-shift, mdrive ) control housing assembly; guidelines for filing a claim for chassis return visit with transmission issues after a repair requiring control housing removal and reinstallation -
- KC-561 - ENGINE AND ENGINE COOLING: 11l, 13l, and 16l engine oil analysis specifications - us10 and newer emissions
- KC-735 - EQUIPMENT: Premium tech tool (ptt) - message for data mismatch, product configuration mismatch; instruction to run an accessory kit displayed when attempting to run diagnostics for diagnostic trouble codes (dtc) or programming - us10+obd13 and newer e
- KC-736 - ENGINE AND ENGINE COOLING: (back office only) - engine brake vibration when in high setting - 13l engine with variable geometry turbo ( vgt ) - us17 and newer emissions (common rail fuel system).
- KC-745 - POWER TRAIN: Automated manual transmission ( amt ) i-shift / mdrive - ribbon harness replacement - speed sensor bolts, possible fault codes P1058 - 21 or mid 130 pid 161 fmi 1
- KC-750 - ENGINE AND ENGINE COOLING: Us10 emission engines - diagnostic trouble code ( dtc ) spn 1231 fmi 9 troubleshooting.
- KC-751 - POWER TRAIN: Vehicles equipped with an automated manual transmission model d or f ( amt-d, amt-f ) - transmission oil leakage from transmission input shaft seal or output shaft seal - us10 and newer emissions, common model years 2010 and newer.
- KC-2149 - ENGINE AND ENGINE COOLING: Particulate matter (pm) sensor troubleshooting guide - us14+obd16 and newer emissions
- KC-2157 - ENGINE AND ENGINE COOLING: Aftertreatment hydrocarbon injector (ahi) troubleshooting guide - us10+obd13 and newer emissions
- KC-2158 - ENGINE AND ENGINE COOLING: Selective catalytic reduction (scr) muffler troubleshooting guide - us10+obd13 and newer emissions
- KC-399 - VEHICLE SPEED CONTROL: Vehicle overspeed warning comes active at a lower speed than expected; vehicle overspeed warning in driver information display (did) - model year 2018 and newer with new style instrument cluster
- KC-561 - ENGINE AND ENGINE COOLING: 11l, 13l, and 16l engine oil analysis specifications - us10 and newer emissions
- KC-663 - ENGINE AND ENGINE COOLING: Emcon (spark assist) engine aftertreatment system troubleshooting check sheet - us07 emissions
- KC-644 - ENGINE AND ENGINE COOLING: Manual compression test adapter for engines with stainless steel injector sleeves (conical tip injectors) - us07 and newer emissions, model year 2008 and newer
- KC-627 - EQUIPMENT: Premium tech tool ( ptt ) training materials and support tools
- KC-2172 - UNKNOWN OR OTHER: No start condition after over the air programing - vecu5 no start "safe state"
- KC-2171 - ENGINE AND ENGINE COOLING: Temperature sensor troubleshooting guide - us10+obd13 and newer
- KC-2170 - SUSPENSION: Electronically controlled suspension (ecs) losing air pressure
- KC-2169 - ELECTRICAL SYSTEM: Low voltage disconnect (lvd), function description
- KC-2165 - ENGINE AND ENGINE COOLING: Def pump troubleshooting guide - us10+obd13 and newer emissions
- KC-2161 - ENGINE AND ENGINE COOLING: Def pump cycling periodically hours after key off
- KC-2158 - ENGINE AND ENGINE COOLING: Selective catalytic reduction (scr) muffler troubleshooting guide - us10+obd13 and newer emissions
- KC-2157 - ENGINE AND ENGINE COOLING: Aftertreatment hydrocarbon injector (ahi) troubleshooting guide - us10+obd13 and newer emissions
- KC-2131 - ENGINE AND ENGINE COOLING: Use for new vehicles (us21+obd22 emissions) - intermittent diagnostic trouble codes U02A3, U029D, U029E
- KC-2116 - ENGINE AND ENGINE COOLING: Nox sensor troubleshooting guide - us10+obd13 and newer emissions
- KC-626 - POWER TRAIN: Mack chassis - vehicles equipped with an automated manual transmission model f ( amt-f, mdrive ), premium tech tool ( ptt ) gearbox calibration failure; gearbox calibration operation stops and fails at 33% when run with transmission removed
- KC-633 - WHEELS: Mack chassis - front hub with unit-bearings ( unitized wheel bearings ), inspection information and guidelines - commonly model year 2008 and newer
- KC-648 - UNKNOWN OR OTHER: Mack - pto pump speed calculator
- KC-651 - EQUIPMENT: Mack dealer support communication - selecting the proper sr area for creating an eservice
- KC-652 - ENGINE AND ENGINE COOLING: Mack low oil pressure diagnostic process for 11 liter engines
- KC-659 - FUEL SYSTEM, DIESEL: Mack chassis - oil diluted with fuel; fuel in oil, diagnostic information - all emissions prior to us17+obd16 (common rail fuel system), model year 2017 and older
- KC-686 - VEHICLE SPEED CONTROL: (back office only) mack chassis - cruise control inoperative after disabling the electronic stability program (esp)
- KC-698 - ENGINE AND ENGINE COOLING: Mack chassis - diesel exhaust fluid ( def ) system cleaning/flush after def pump failure or system contamination
- KC-699 - ELECTRICAL SYSTEM: Mack chassis - bendix vendor configuration program ( vcp ) software download information
- KC-700 - POWER TRAIN: Mack chassis - automated manual transmission model f ( amt-f, mdrive ) - short transmission replacement; calibration and/or shifting problems following replacement of a short transmission - us17+obd2016 and newer emissions, model year 2018
- KC-714 - ENGINE AND ENGINE COOLING: Mack chassis - diagnostic trouble codes ( dtc's ) - P020113, P020213, P020313, P020413, P020513, P020613, cylinders 1 through 6 injector a open circuit
- KC-730 - ENGINE AND ENGINE COOLING: Mack chassis - engine fan override information for model lr
- KC-731 - POWER TRAIN: Mack chassis - equipped with an automated manual transmission model d or f (mdrive, amt-d, amt-f) - transmission oil leakage from transmission input shaft seal or output shaft seal - us10 and newer emissions, common model years 2010 and new
- KC-587 - ENGINE (PWS): Mack chassis - snm15-027 a/c compressor inspection required for warranty repairs
- KC-880 - ENGINE AND ENGINE COOLING: Mack chassis - lr models - hvac blower motor inop
- KC-129 - STRUCTURE: Mack lr models - technical service bulletin m-810-004, back of cab crack, repair
- M-392-004B - UNKNOWN OR OTHER: Radio, replacement (revised from fsb 392-004)
- KC-2107 - ENGINE AND ENGINE COOLING: Def level (uqls) sensor troubleshooting guide - us17+obd16 emissions and newer
- FSB 845-003 - STRUCTURE:BODY:DOOR : Lr door seal improvement
- KC-354 - ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL: Volvo chassis - certain volvo trucks built after january 11, 2016 may experience an issue with the instrument cluster display
- KC-315 - EQUIPMENT:MECHANICAL: ( back office only ) mack chassis - model lr ( right hand drive only ) no floor heat on drivers side
- KC-286 - UNKNOWN OR OTHER: Mack chassis - fsb 563-008 plugs, pressure protection manifold - new brass plugs for noregon pressure protection manifold (ppm)
- KC-145 - POWER TRAIN: Automated manual transmission (amt) (spigot bearing) input shaft repair kit and shim kit, part number information, reference guide - us07 and newer emissions, model year 2008 and newer
- KC-129 - STRUCTURE: Mack lr models - fsb 810-004, back of cab crack, repair
- KC-124 - POWER TRAIN: Automated manual transmission gearbox will not shift to high range after gearbox repair; mid 130 psid 24 fmi 1, P1072-92 unintentional disengagement of high range - us07 and newer emissions, model year 2008 and newer
- KC-416 - ENGINE AND ENGINE COOLING: Mack chassis - field service bulletin - fsb 293-027 egr mass flow rate low - (spn 2659 fmi 18 or P0401)
- KC-2107 - ENGINE AND ENGINE COOLING: Reductant tank temperature sensor troubleshooting guide (uqls) - us17 emissions and newer
- KC-488 - ENGINE AND ENGINE COOLING: Mack chassis - equipped with an mp10 - premium tech tool ( ptt ) error code 38 being generated during a regen
- KC-949 - ENGINE AND ENGINE COOLING: Diagnostic trouble code (dtc) P229F-64; diagnostic information - us10+obd2013 emissions and newer
- KC-397 - ENGINE AND ENGINE COOLING: Mack chassis - snm16-031 us'14 (ghg) mp8 two piece valve cover (corroded screws)
- SLM21-007 - EQUIPMENT: Service literature published and released in july, 2021
- CBR-15 - ENGINE AND ENGINE COOLING: Diagnostic trouble codes (dtc) for the engine pre-heat relay: supplementary instructions
- PV729-FSB284-066 - ENGINE (PWS): Engine control module and aftertreatment control module reprogramming.
- SLM20-010 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL : Monthly bulletin release letter
- KC-725 - POWER TRAIN: Warranty - automated manual transmission (amt, i-shift, mdrive) clutch kit replacement / flywheel replacement, coverage information and guidelines; clutch and flywheel replacements that can be included on a claim - us07 emissions and newer,
- P040200 - ENGINE AND ENGINE COOLING: Engine exhaust gas recirculation 1 valve position flow excessive detected
- KC-129 - STRUCTURE: Mack chassis - fsb 810-004, back of cab crack, repair
- K32830643 - STRUCTURE:FRAME AND MEMBERS: Frame or cab lean - gen ii chassis
- K74187033 - EQUIPMENT: Mack chassis - diagnostic trouble code (dtc) sa 0 fmi 0 or spn 0 fmi 0 present on fault code readout - us10 and newer emissions, model year 2011 and newer
- K42883352 - EQUIPMENT: Mack chassis - important information: read prior to using the bulletin field service bulletin (fsb) 213-002 exhaust rocker compression brake piston, repair; repair for exhaust rocker pistons, engine brake (vcb, veb) - trucks built from 2007
- K40331909 - FUEL SYSTEM, GASOLINE: Diesel exhaust fluid ( def ) contamination in fuel system, inspection and repair; engine misfire, no-start, uneven operation, multiple injector codes, fuel pressure codes - us17 and newer ( common rail fuel system )
- K42883352 - EQUIPMENT ADAPTIVE/MOBILITY: Mack chassis - important information: read prior to using the bulletin field service bulletin (fsb) 213-002 exhaust rocker compression brake piston, repair; repair for exhaust rocker pistons volvo engine brake (vcb, veb) - trucks built from
- S7432 - EQUIPMENT: Vecu reprogramming
- K70570342 - POWER TRAIN: Mack chassis - equipped with an allison transmission: enable 6th speed - all emissions, all model years
- S7431 - STEERING: Steering drag link castle nut inspection
- K26702062 - ENGINE AND ENGINE COOLING: Diagnostic trouble code (dtc) P229F-64; diagnostic information - us10+obd2013 emissions and newer
- K39135131 - ELECTRICAL SYSTEM: Diagnostic trouble code (dtc) P215A-64, fault code spn 84 fmi 19; speedometer drop-out, speedometer inoperative
- S7416 - EQUIPMENT: Wait to start icon-cummins l9
- S7415 - EQUIPMENT: 8x4 gr-air dryer relocation
- S7413 - ENGINE AND ENGINE COOLING: My13-16 eats replacement-phase 1
- K39135131-1 - ELECTRICAL SYSTEM: Diagnostic trouble code (dtc) P215A-64, fault code spn 84 fmi 19; speedometer drop-out, speedometer inoperative
- K27240982 - EQUIPMENT: ** tech tip ** tt - 019 - 2015 obd2015 hde 11 ( model year 2016 truck ) injector fault codes P0201 to P0206 fmi 13
- K08236633 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL: Mack chassis - diagnostic trouble codes ( dtc's ) - P020113, P020213, P020313, P020413, P020513, P020613, cylinders 1 through 6 injector a open circuit
- K63323104 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL : Mack chassis - vibration questionnaire, driveline angle worksheet and rough ride check sheet
- K43204335 - EQUIPMENT ADAPTIVE/MOBILITY: Electronically controlled air dryer (ecad) diagnostic procedures and information
- K14810225 - EQUIPMENT ADAPTIVE/MOBILITY: Mack chassis - differential lock status alarm and icon; differential lock alarm tone does not sound for entire duration of differential lock engagement
- K53338075 - ENGINE AND ENGINE COOLING: Diagnostic trouble codes (dtc) for the engine pre-heat relay: instructions to be followed when replacing an engine pre-heat relay - us10+obd13 and newer emissions, model year 2014 and newer
- K73535241 - ELECTRICAL SYSTEM:SOFTWARE: Mack chassis - snm16-006 telematics gateway ( tgw ) goes offline due to vin mismatch when test engine ecu is installed
- K86900043 - ENGINE AND ENGINE COOLING: Exhaust gas recirculation (egr) system - fault codes spn 412 fmi 0,2,5; diagnostic trouble codes (dtc) P040A, P040B, P1121 - temperature sensor inspection
- K51644530 - ELECTRICAL SYSTEM: Mack chassis - lr models - premium tech tool ( ptt ) error 1000 and programming failure when installing replacement instrument cluster
- K43056254 - ELECTRICAL SYSTEM: Aftertreatment control module ( acm ) offline / not visible / missing from control unit information in premium tech tool ( ptt ) - us10 and newer emissions
- K52535491 - ENGINE (PWS): Diagnostic / troubleshooting procedures for exhaust gas recirculation (egr) system components; covers most egr system diagnostic trouble codes (dtc), see list in solution - us10, us10+obd13, us14+obd*, us17+obd* with a variable geometry tu
- K65527708 - ENGINE (PWS): Diagnostic trouble codes (dtc) P20EE and P103C, diagnostic procedure; replaces guided diagnostics in premium tech tool ( ptt ) - us17+obd16 and newer chassis only
- K73535038 - ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS: Mack chassis - equipped with a cummins 9 liter engine - serpentine belt excessively worn or damaged; fan belt shredding or fraying repeatedly
- K52535491 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE): Diagnostic / troubleshooting procedures for egr system components; diagnostic trouble codes (dtc) P0401-00, P0402-00, P04DD-00, P1121-00, P1121-98 or spn 2659 fmi 16, spn 2659 fmi 18, spn 412 fmi 0, spn 412 fmi 15 - us10, us10+obd13, us14+o
- K63323104 - EQUIPMENT: Mack chassis - vibration questionnaire, driveline angle worksheet and rough ride check sheet
- FSB563-008 - ENGINE (PWS): Plugs, pressure protection manifold
- K24619050 - ENGINE (PWS): Expired - refer to P20EE solutions - nox conversion test (test -- 2549-08-03-03) interpretation
- K94743326 - FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL: Diagnostic trouble code (dtc) P009B-13 fuel pressure relief control - circuit open; possible derate - us17+obd16 and us17+obd18 emissions, model years 2018 and 2019
- K76992557 - EQUIPMENT ADAPTIVE/MOBILITY: Aftertreatment hydrocarbon injector (ahi, 7th injector) changes between us10 and us17 (ghg17, common rail fuel system) - chassis experiencing high soot accumulation, abnormal ( too high, overtemp, too low ) regeneration temperatures followi
- K17039050 - ELECTRICAL SYSTEM: Bendix acom - ec80 esp controller; abs and atc lights illuminated, fault codes present after making changes, calibration or programming with acom
- K11065398 - ENGINE AND ENGINE COOLING: Mack chassis - crankcase ventilation ( ccv ) oil leaks - fsb 257 - 004, fsb 257 - 006 - us14 and us15 emissions
- K23315031 - FUEL SYSTEM, GASOLINE: Fuel tank strap insulator design update; fuel tank strap appearance changed
- K36340146 - ELECTRICAL SYSTEM: Tech tool returns error code 140 failed to run on-vehicle test; programming, calibration, or test operations fail in premium tech tool (ptt), ptt displays control unit information correctly - us10+obd13 and newer emissions, common model yea
- K54101221 - EQUIPMENT ADAPTIVE/MOBILITY: ** tech tip ** tt - 001 - 2015 - how and when to diagnose a P0402 code
- K45573162 - ENGINE AND ENGINE COOLING: Variable geometry turbo (vgt) calibration: premium tech tool (ptt) displays "motor disabled" message, operation will not run, will not complete when running operation; poor performance following calibration - us10 and newer emissions, comm
- K73658294 - FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL: Mack chassis - diagnostic trouble codes ( dtc's ) P24A0 and P249F lighting the malfunction indicator lamp ( mil ) - us14+obd15, us14+obd16 (common model years 2016 and 2017), us17+obd16 and newer ( common rail fuel system, model year 2018)
- K95422063 - EQUIPMENT ADAPTIVE/MOBILITY: Mack chassis - diagnostic trouble code ( dtc ) P2459 lighting the malfunction indicator lamp ( mil ); possible frequent regeneration requests - obd15 and us14+obd16 (non-common rail) chassis
- K50433055 - STRUCTURE: Mack chassis - diagnostic trouble code ( dtc ) P0471 illuminating the malfunction indicator lamp (mil) - us17+obd16 (ghg17, common rail fuel system) chassis only
- K16925952 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR: ** tech tip ** tt - 007 - 2015 - diagnosing the aftertreatment control module dtcs P202D, P208E, P20E8 - obd13 (commonly model year 2014); newer chassis after reviewing other solutions
- K43056254 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL: Mack chassis - aftertreatment control module ( acm ) offline / not visible / missing from control unit information in premium tech tool ( ptt )
- K42708399 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR: Diagnostic trouble code ( dtc ) P0422 lighting the malfunction indicator light (mil ) - obd15 and us14+obd16 (non-common rail fuel system) chassis
- K47547856 - EQUIPMENT:ELECTRICAL: Particulate matter ( pm ) sensor diagnostic trouble codes ( dtc ) illuminating the malfunction indicator lamp ( mil ); tech tip tt-014-2016 - obd16 and newer emissions (commonly model year 2017, includes common rail fuel system chassis), re
- K14701433 - ELECTRICAL SYSTEM:SOFTWARE: Diagnostic trouble code ( dtc ) P009E - 73 - fuel pressure relief control performance / stuck off - ghg17 ( us17 ) chassis with common rail fuel system, updated to reflect ghg17 software release
- K24483157 - ENGINE (PWS): Diagnostic trouble codes ( dtc ) P208E and P103B logging with possible derate ( scr inducement ) - obd15, us14+obd16 emissions and newer rewrote test procedure for better clarity.
- FSB284064 - ENGINE (PWS): Ecm and acm reprogramming, obd2015
- K14701433 - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES: Diagnostic trouble code ( dtc ) P009E - 73 - fuel pressure relief control performance / stuck off - ghg17 ( us17 ) chassis with common rail fuel system.Changed repair instructions to reflect new procedures
- K43056254 - ELECTRICAL SYSTEM: Mack chassis - aftertreatment control module ( acm ) not visible in premium tech tool ( ptt ).Added more checks and procedures
- K24413634 - ELECTRICAL SYSTEM: Mack chassis - diagnostic trouble code ( dtc ) / fault code spn 1231 fmi 9 inactive on dtc readout, counts in multiples of three - us10 emissions.Reworded for clarity, added link to related cbr solution.
- K11533602 - ELECTRICAL SYSTEM: Diagnostic tool ( j-pro, premium tech tool ( ptt ) ) displays incorrect timestamp for diagnostic trouble code ( dtc ) / fault code occurrences; system date and time information.Improved title and description for better searchability
- K95422063 - ENGINE (PWS): Mack chassis - diagnostic trouble code ( dtc ) P2459 lighting the malfunction indicator lamp ( mil ); possible frequent regeneration requests - obd15 and newer chassis
- K86094641 - ENGINE (PWS): Mack chassis - diagnostic trouble code ( dtc ) P226C intermittently lighting the malfunction indicator lamp ( mil ) - obd15 and obd16 conventional chassis.Updated to reflect release of fsb284-064 (above)
- K45941512 - ENGINE AND ENGINE COOLING:COOLING SYSTEM: Mack chassis - diagnostic trouble code ( dtc ) P0128, diagnostic and repair - us14+obd13 (commonly year model 2015) and newer.Updated to reflect release of fsb284-064 (above)
- K42708399 - ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL: Diagnostic trouble code ( dtc ) P0422 lighting the malfunction indicator light ( mil ) - obd15 and obd16 chassis (non-common rail).Updated to reflect release of fsb284-064 (above)
- FSB873021 - ENGINE AND ENGINE COOLING:COOLING SYSTEM: Hvac filter blocked, repair, lr
- K77864401 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: Mack chassis - diesel exhaust fluid ( def ) system cleaning/flush after a pump failure or system contamination.Removed tech tip, added correct operation id
- K53510452 - FUEL SYSTEM, DIESEL: Expired - refer to k93039325 - mack chassis - snm16-032 def (diesel exhaust fluid) contamination in diesel fuel.New solution released with improved information
- K93039325 - FUEL SYSTEM, GASOLINE: Mack chassis - diesel exhaust fluid ( def ) contamination in fuel system, inspection and repair - us10 and newer; includes us17 chassis (ghg17 only document in development)
- K91214678 - POWER TRAIN:MANUAL TRANSMISSION: Automated manual transmission ( amt ) faults - diagnostic trouble codes ( dtcs ) P1052 - 18 , pid 33 fmi 5 intermittent fault in cold weather.Updated with new information and procedure
- K24483157 - ELECTRICAL SYSTEM: Diagnostic trouble codes ( dtc ) P208E and P103B logging with possible derate (scr inducement ) - us13 emissions and newer
- K84262037 - UNKNOWN OR OTHER: Issues with the charge air system may result in the presence of oil in the charge air cooler ( cac ) or intake piping.
- K75024255 - ENGINE AND ENGINE COOLING: During extended periods of idling, engine speed may increase for a short time without any external command to do so.
- FSB874-055 - ENGINE AND ENGINE COOLING: On some lr models condensation from the evaporator may not drain correctly. This can lead to water being splashed into the blower motor and cause the blower motor to fail.
- FSB465-003 - EQUIPMENT: Effective september 2016, a revised composite bevel gear compartment cover with steel threaded fill plug and face-mounted o-ring was implemented into production for mack crd202/203, crd150/151 and crd 125/126 carriers. The revised composite
- FSB 873-021 - EQUIPMENT:APPLIANCE:AIR CONDITIONER: On some lr models using cng fuel, the hvac air filter may prematurely clog with dirt and water. This is due to its location and increased vulnerability under the cab.
- FSB 381-017 - POWER TRAIN: On mack lr models with pdlo, power divider lock out, the alarm for this feature, while engaged, will only sound once and the volume may seem low. There will be a continuous pop-up in the instrument cluster while engaged. This is due to an i
- FSB 641-010 - STEERING: When pressure washing the lr truck, do not pressure wash the steering shaft. Direct pressure washing of the lr steering shaft may lead to oxidation inside the shaft due to high pressure water gaining access and entry into the steering shaft