2021 ISUZU N-SERIESIsuzu N-series 2021

Vehicle Details: Service Bulletins

Below you will find all available information on the 2021 ISUZU N-SERIES.

ManufacturerKnown WMI(s)Fuel Type
ISUZU
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NHTSA Mandated Recalls

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Bulletins

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

  • No comms 2024-03 - UNKNOWN OR OTHER: There are no manufacturer communications in accordance with 49 cfr 579.5 to report for march 2024 for isuzu motors limited.
  • WB11-X-001A - ENGINE AND ENGINE COOLING: The following information is provided to clearly explain isuzua??S policy for control module (engine, transmission, antilock brake, instrument panel, body control, power interface, etc.) reprogramming. Control module calibrations are regula
  • WB23-X-001 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: This bulletin provides information with regards to the isuzu commercial vehicle (cv) service policies and procedures manual (sppm). The isuzu cv sppm (sections 2.15 and 2.16) provides detailed procedures related to vehicle storage up to an
  • IB23-J-001B - ENGINE AND ENGINE COOLING: In the past, replacement 6.0l gasoline and rpo kl8/lc8 alternative fuel capable engines came as a certain configuration. These engines are now provided as different long block assembly configurations. The new configurations do not include m
  • IB18-N-003C - EQUIPMENT: Isuzu commercial truck of america, inc. Is distributing this procedure for adding keyless entry transmitters as a quick reference to help dealers better service the customer. Also included is the clearing procedure for customers who have ha
  • SB23-J-001A - ENGINE AND ENGINE COOLING: The vacuum pump service part for affected vehicles listed in this bulletin has been superseded and is now the same vacuum pump that is the service part for the 6.6l gas engine. The updated pump requires the outlet vacuum hose be rerouted fo
  • WB13-X-002G - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Isuzu is providing this bulletin to outline isuzu's policy and procedures for isuzu vehicles with tire warranty coverage. Note: after the isuzu tire warranty expires, additional coverage may be available from the tire manufacturer. Refer t
  • IB18-X-001F - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Ida is a diagnostic program that provides: 1. Dtc analysis 2. Dpf early regeneration warning detailed instructions on how to use the ida are included in this bulletin.
  • CB23-J-001B - ENGINE AND ENGINE COOLING: Condition general motors llc, the manufacturer of the engine in your vehicle, has determined that certain 2020-2023my n-series vehicles produced from 8/26/2020 through 7/31/2022 and equipped with 6.6l (l8t) gasoline engines may experience
  • IB13-R-001G - UNKNOWN OR OTHER: This bulletin outlines the procedures for using the alpine exchange program (the "exchange program"). The exchange program must be used when any alpine radio or other component covered by this bulletin is repaired under warranty and may als
  • WB23-L-001 - FUEL SYSTEM, GASOLINE: Isuzu commercial truck of america (icta) has been receiving warranty part returns that have aftermarket catalytic converters welded in place instead of the oem catalytic converter. This is because vehicle owners who have had the oem or fle
  • IB18-X-001E - ENGINE AND ENGINE COOLING: What is ida? Ida is a diagnostic program that provides: 1) dtc analysis: ida analyzed dtcs (currently 35) and then provides quick and easy-to-understand repair solutions 2) dpf early regeneration warning: ida also reviews the three lates
  • IB23-X-001 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: The information below is provided to help technicians better understand common vehicle operations that may be incorrectly perceived by customers as a problem.
  • IB18-N-003B - ENGINE AND ENGINE COOLING: Isuzu commercial truck of america, inc. Is distributing this procedure for adding keyless entry transmitters as a quick reference to help dealers better service customer. Also included is the clearing procedure for customers who have had t
  • IB22-N-001 - EXTERIOR LIGHTING:TURN SIGNAL: We have received reports of the front turn signal lenses cracking on isuzu vehicles. These lenses are cracking from the effects of being washed with alkaline detergents. Alkaline detergents are typically used in industrial settings an
  • SB22-J-002 - ENGINE AND ENGINE COOLING: All engines require oil to lubricate and protect the load bearing and internal moving parts from wear including cylinder walls, pistons, and piston rings. When a piston moves down its cylinder, a thin film of oil is left on the cylinder wa
  • IB16-F-001C - SUSPENSION:MULTIPLE AXLE: Some customers with n-series vehicles may notice an audible clicking or chattering noise coming from the rear of the vehicle while making tight turns. This condition may be due to incorrect axle fluid having been used during the last schedu
  • WB13-X-001B - EQUIPMENT: Isuzu commercial truck of america, inc. (icta) is providing the following procedural recommendations to improve dealer efficiency when submitting parts warranty claims. We strongly recommend dealers follow these procedures in order to avoi
  • WB13-X-001A - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Isuzu commercial truck of america, inc. (icta) is providing the following procedural recommendations to improve dealer efficiency when submitting parts warranty claims. We strongly recommend dealers follow these procedures in order to avoi
  • IB09-X-004C - ENGINE AND ENGINE COOLING: The isuzu commercial truck of america (icta) service technical assistance center (tac) provides diagnostic support to isuzu dealer technicians repairing isuzu vehicles in and out of vehicle warranty. A tac case number will be issued solely
  • IB09-X-002B - EQUIPMENT: The following is a list of the isuzu-recommended threebond product part numbers identified in the various isuzu workshop manuals and bulletins. If a threebond product is unavailable, we recommend that you utilize the chart below to find eq
  • SB22-K-001 - POWER TRAIN:AUTOMATIC TRANSMISSION: In response to requests from the field and in an effort to reduce cost of repairing the aisin a465id 6-speed transmission, the following on-vehicle procedures have been approved for repair at the dealer level. The following procedures have
  • WB13X002F - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL : Isuzu is providing this bulletin to outline isuzu's policy and procedures for isuzu vehicles with tire warranty coverage. Tire warranty, policy, procedure, and claim submission are the categories in this bulletin.
  • IB22J001 - ENGINE AND ENGINE COOLING: On isuzu n-series crew cab models, most engine and engine driven components for on-vehicle service, both for gasoline and diesel engines, can be accessed through the interior of the cab. There are 3 access points to create space for servic
  • IB13R001E - EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.: This bulletin outlines the procedures for using the alpine exchange program (the "exchange program"). The exchange program must be used when any alpine radio covered by this bulletin is repaired under warranty and may also be used for radi
  • IB16J001C - ENGINE AND ENGINE COOLING: Some customers may experience a "crank no start" condition in the vehicles listed. The following diagnosis might be helpful if the vehicles exhibits the symptom(s) described in this information bulletin. Condition/concern on rare occ
  • SB18C001E - STRUCTURE:BODY:DOOR : Some customers may complain about wind noise and/or water intrusion into the cab from the driver and/or passenger doors of the affected n-series and ftr trucks. To correct this condition isuzu commercial truck of america, inc. (itca) is
  • IB09J003C - ENGINE AND ENGINE COOLING: The following table contains many possible causes for the following symptoms. -hard start/no start -rough, misfire, unstable or incorrect idle -surges, lack of power, hesitation, lag or stumble while some of these symptoms may lead to c
  • SB10K001H - EQUIPMENT:ELECTRICAL: In response to requests from the field and in an effort to reduce repair costs of the aisin a465 6-speed transmission, the following on-vehicle procedures have been approved for service at the dealer level. The following procedures have be
  • IB21X003 - EQUIPMENT:ELECTRICAL: Isuzu commercial truck of america, inc. Is proud to introduce the redesigned isuzu vehicle health report (vhr) program. Beginning october 2021, isuzu dealers are able to access, through www.Isuzutruckservice.Com, all of the isuzu vehicle h
  • IB10X001F - FUEL SYSTEM, DIESEL: Diesel particulate filter.
  • IB10X004L - EQUIPMENT: In an effort for continuous improvement, isuzu has a need to obtain mimamori ecu
  • IB12J005E - EQUIPMENT ADAPTIVE/MOBILITY: Intake manifold inspection/replacement after severe internal engine damage - severe engine damage, broken valves, broken pistons, and piston to cylinder head damage
  • IB21-X-002 - EQUIPMENT: The information below is provided to help technicians better understand common vehicle operations that may be incorrectly perceived as an issue. Additionally, diagnostic can tool connection requirements are outlined for easier technician di
  • IB11-L-003D - STRUCTURE: This information is being issued to help dealers identify apotential source for fuel contamination. If a customer's complaint leads to the discovery of contaminated fuel, the source of the contamination must be found and repaired. Contami
  • SB09-J-002F - SERVICE BRAKES, HYDRAULIC: An egr cooler tester was provided to dealers in june 2009 to diagnose egr cooler leaks on all isuzu diesel engines equipped with an egr cooler. This tester consists of a pressure regulator assembly j-46091-1 and adapters en-48974-5, en-489
  • SB18-C-001D - STRUCTURE: Some customers may complain about wind noise and/or water intrusion into the cab from the driver and/or passenger doors of the affected n-series and ftr trucks. To correct this condition isuzu commercial truck of america, inc. (itca) is of

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