AutoStatsIQ
Data through Oct 2026
Model year

2021 Isuzu N-Series

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recalls (0)Complaints (0)Investigations (0)Bulletins (51)
Recall campaigns covering this model year0No recall campaign lists this model year
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2021 Isuzu N-Series by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

No recall campaign lists the 2021 Isuzu N-Series

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2021 Isuzu N-Series

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    All investigations
    Service bulletins

    51 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall.

    • IB09-N-001I Jun 24, 2026 · Service Bulletin/Repair Instructions
      INFORMATION BULLETIN: THE INFORMATION SET FORTH IN THIS BULLETIN IS INTENDED TO AID TECHNICIANS IN PROPERLY TESTING THE BATTERIES AND ALTERNATORS IN THE AFFECTED ISUZU VEHICLES. IT IS IMPORTANT TO CONFIRM THE BATTERY IS IN GOOD CONDITION PRIOR TO DIAGNOSIS …
    • SB22-J-002A Mar 26, 2026 · Service Bulletin/Repair Instructions
      SERVICE BULLETIN - THE PURPOSE OF THIS BULLETIN IS TO DESCRIBE DIFFERENT INSTANCES WHERE OIL CONSUMPTION OCCURS AND TO MAKE AVAILABLE A WORKSHEET TO ASSIST THE TECHNICIAN IN DETERMINING IF OIL CONSUMPTION IS EXCESSIVE. OIL USAGE HAS A DIRECT RELATIONSHIP WI…
    • IB24-R-001a Jan 23, 2026 · Service Bulletin/Repair Instructions
      INFORMATION BULLETIN - UPDATED BULLETIN OUTLINES THE SERVICE PROCEDURES FOR DIAGNOSIS AND PARTS INFORMATION FOR REPAIR OF THE MOBILEYE 6 SYSTEM.
    • SB26-K-001 Jan 30, 2026 · Service Bulletin/Repair Instructions
      SERVICE BULLETIN - SOME CUSTOMERS MAY COMPLAIN THAT THE VEHICLE WILL NOT MOVE FORWARD AFTER SHIFTING INTO DRIVE FROM PARK OR FROM REVERSE. DEALERS MAY FIND THAT THIS CONDITION IS CAUSED BY A SPACER PLATE IN THE VALVE BODY BEING OUT OF SPECIFICATION. AS A R…
    • IB16-F-001E Jan 24, 2025 · Service Bulletin/Repair Instructions
      INFORMATION BULLETIN: 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 LIMITED SLIP DIFFERENTIAL LUBRICANT ADDITIVE NOT HAVING…
    • IB08-X-002J Jan 22, 2025 · Service Bulletin/Repair Instructions
      INFORMATION BULLETIN: CLEAN IDLE LABEL REPLACEMENT PROCEDURES
    • IB09-N-001H Dec 5, 2024 · Service Bulletin/Repair Instructions
      INFORMATION BULLETIN: THE INFORMATION SET FORTH IN THIS BULLETIN IS INTENDED TO AID TECHNICIANS IN PROPERLY TESTING THE BATTERIES AND ALTERNATORS IN THE AFFECTED ISUZU VEHICLES. IT IS IMPORTANT TO CONFIRM THE BATTERY IS IN GOOD CONDITION PRIOR TO DIAGNOSIS …
    • SB23-J-001B Dec 11, 2024 · Service Bulletin/Repair Instructions
      INFORMATION BULLETIN: 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 TO BE RER…
    • WB13-X-002G Dec 12, 2024 · Warranty Program/Extension
      WARRANTY BULLETIN: ISUZU IS PROVIDING THIS BULLETIN TO OUTLINE ISUZU’S POLICY AND PROCEDURES FOR ISUZU VEHICLES WITH TIRE WARRANTY COVERAGE.
    • IB19-K-002A Nov 15, 2024 · Service Bulletin/Repair Instructions
      THIS INFORMATION BULLETIN OUTLINES THE SERVICE PROCEDURE FOR INSTALLATION OF FLUID LEVEL INDICATOR JOINT TUBE ANYTIME THE AISIN TRANSMISSION IS REMOVED OR OIL PAN IS REMOVED AND REINSTALLED TO PREVENT WATER INTRUSION TO TRANSMISSION.
    • IB24-R-001 Nov 13, 2024 · Service Bulletin/Repair Instructions
      THIS INFORMATION BULLETIN OUTLINES THE SERVICE PROCEDURES FOR DIAGNOSIS AND PARTS INFORMATION FOR REPAIR OF THE MOBILEYE 6 SYSTEM. FIGURE 1 BELOW IS AN EXAMPLE OF THE CAMERA USED ON A MOBILEYE 6 SYSTEM. THE PROCEDURE DISCUSSED IN THIS BULLETIN MUST BE USED …
    • IB15-X-001C Nov 12, 2024 · Other
      THIS INFORMATION BULLETIN IS TO REMIND DEALERS WHENEVER THE IPC ASSEMBLY IS REPLACED IN AN AFFECTED ISUZU MANUFACTURED VEHICLE, THEY ARE TO AFFIX AN ODOMETER REPLACEMENT STICKER, AS THE ODOMETER IS NOT PROGRAMMABLE. THE STICKER SHOULD BE FILLED OUT COMPLETE…
    • IB24-L-001 Aug 7, 2024 · Other
      INFORMATION BULLETIN: ISUZU DEALERSHIP PERSONNEL SHOULD ENCOURAGE ISUZU CUSTOMERS TO FOLLOW THE FUEL SYSTEM INFORMATION OUTLINED IN THE FUEL SECTION OF THEIR VEHICLE’S OWNER’S MANUAL. RUNNING AN ENGINE WITH GASOLINE CONTAMINATION MAY LEAD TO DAMAGE TO THE …
    • IB18-X-002F Aug 14, 2024 · Other
      INFORMATION BULLETIN: THIS BULLETIN APPLIES TO ALL OEM AND REMANUFACTURED ENGINE AND TRANSMISSION ASSEMBLIES, FOR THE AFFECTED VEHICLES LISTED ABOVE, TO BE REPLACED UNDER THE ISUZU NEW VEHICLE WARRANTY, GOODWILL, ISUZU PARTS WARRANTY, GOLD STAR USED TRUCK W…
    • IB16-F-001D Jul 31, 2024 · Service Bulletin/Repair Instructions
      INFORMATION BULLETIN _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 LIMITED SLIP DIFFERENTIAL LUBRICANT ADDITIVE NOT HAVING…
    • WB11-X-001A Oct 18, 2023 · Service Bulletin/Repair Instructions
      The following information is provided to clearly explain Isuzu’s policy for control module (engine, transmission, antilock brake, instrument panel, body control, power interface, etc.) reprogramming. Control module calibrations are regularly updated for man…
    • WB23-X-001 Oct 11, 2023 · Service Bulletin/Repair Instructions
      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 and beyond 30 days.…
    • IB23-J-001B Oct 4, 2023 · Service Bulletin/Repair Instructions
      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 many of the compon…
    • IB18-N-003C Oct 3, 2023 · Service Bulletin/Repair Instructions
      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 had transmitters lo…
    • SB23-J-001A Aug 31, 2023 · Service Bulletin/Repair Instructions
      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 for proper fitment.…
    • WB13-X-002G Jul 26, 2023 · Service Bulletin/Repair Instructions
      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 to the tire manufa…
    • IB18-X-001F Jun 6, 2023 · Service Bulletin/Repair Instructions
      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 May 11, 2023 · Service Bulletin/Repair Instructions
      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 water intrusion i…
    • IB13-R-001G May 8, 2023 · Service Bulletin/Repair Instructions
      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 also be used for rad…
    • WB23-L-001 Apr 26, 2023 · Service Bulletin/Repair Instructions
      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 Fleet Value catalyti…
    • IB18-X-001E Mar 29, 2023 · Service Bulletin/Repair Instructions
      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 latest DPF regeneratio…
    • IB23-X-001 Feb 8, 2023 · Service Bulletin/Repair Instructions
      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 Nov 16, 2022 · Service Bulletin/Repair Instructions
      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 transmitters lost …
    • IB22-N-001 Oct 19, 2022 · Service Bulletin/Repair Instructions
      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 and are reactive wi…
    • SB22-J-002 Oct 19, 2022 · Service Bulletin/Repair Instructions
      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 wall. During the c…
    • IB16-F-001C Sep 1, 2022 · Service Bulletin/Repair Instructions
      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 scheduled maintenance o…
    • WB13-X-001B Aug 30, 2022 · Service Bulletin/Repair Instructions
      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 avoid delays in Parts…
    • WB13-X-001A Aug 2, 2022 · Service Bulletin/Repair Instructions
      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 avoid delays in Parts…
    • IB09-X-004C Jul 20, 2022 · Service Bulletin/Repair Instructions
      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 for information …
    • IB09-X-002B Jul 20, 2022 · Service Bulletin/Repair Instructions
      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 equivalent of simil…
    • SB22-K-001 Jun 8, 2022 · Service Bulletin/Repair Instructions
      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 been approved fo…
    • WB13X002F May 12, 2022 · Service Bulletin/Repair Instructions
      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 Mar 30, 2022 · Service Bulletin/Repair Instructions
      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 service and maintenance…
    • IB13R001E Mar 2, 2022 · Service Bulletin/Repair Instructions
      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 radio repairs not cov…
    • IB16J001C Mar 2, 2022 · Service Bulletin/Repair Instructions
      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 occasions, a crank n…
    • SB18C001E Mar 2, 2022 · Service Bulletin/Repair Instructions
      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 offering a new do…
    • IB09J003C Feb 11, 2022 · Service Bulletin/Repair Instructions
      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 component replacem…
    • SB10K001H Jan 14, 2022 · Service Bulletin/Repair Instructions
      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 been approved for r…
    • IB21X003 Dec 1, 2021 · Service Bulletin/Repair Instructions
      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 Health Report Data…
    • IB10X001F Jan 1, 2018 · Service Bulletin/Repair Instructions
      DIESEL PARTICULATE FILTER.
    • IB10X004L Aug 1, 2021 · Service Bulletin/Repair Instructions
      In an effort for continuous improvement, Isuzu has a need to obtain Mimamori ECU
    • IB12J005E Jun 25, 2021 · Service Bulletin/Repair Instructions
      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 Mar 18, 2021 · Service Bulletin/Repair Instructions
      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 DIAGNOSIS.
    • IB11-L-003D Mar 4, 2021 · Service Bulletin/Repair Instructions
      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. CONTAMINATED FUEL MAY RE…
    • SB09-J-002F Dec 2, 2020 · Service Bulletin/Repair Instructions
      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-48974-15, AND EN-489…
    • SB18-C-001D Dec 2, 2020 · Service Bulletin/Repair Instructions
      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 OFFERING A NEW DOOR…
    Source: NHTSA manufacturer communications files.
    About service bulletins