Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 726 bulletins for ISUZU
CB23-J-001B
May 11, 2023
060000 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
May 8, 2023
980000 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
Apr 26, 2023
070000 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
Mar 29, 2023
060000 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-J-001
Mar 21, 2023
060000 ENGINE AND ENGINE COOLING
In the past 6.0L gasoline engines came as a new long block assembly. These engines are now provided as remanufactured long block assemblies. The remanufactured configuration does not include some of the same components as the previous new
IB13-R-001F
Mar 15, 2023
357500 EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS
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 al
WB23-J-001
Mar 1, 2023
060000 ENGINE AND ENGINE COOLING
This bulletin describes certain additional requirements when submitting a warranty claim for radiator leaks (Labor Operation Codes J3080, J3100, and J1840) on 2022MY - current Isuzu F-Series vehicles.
CB23-H-001A
Feb 15, 2023
030000 BRAKES (PWS)
Isuzu Motors Limited has decided that a defect, which relates to motor vehicle safety, exists in certain 2022-2023MY Isuzu N-Series Diesel Vehicles produced after 7/26/2021 with RPO Code EM2 or EL5 (200" or 212" respectively) Wheelbase Fact
IB23-X-001
Feb 8, 2023
355200 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.
CB23H001
Jan 23, 2023
046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
Isuzu Motors Limited has decided that a defect, which relates to motor vehicle safety, exists in certain 2022-2023MY Isuzu N-Series Diesel Vehicles produced after 7/26/2021 with RPO Code EM2 or EL5 (200" or 212" respectively) Wheelbase Fact
IB21-X-002A
Jan 4, 2023
350000 EQUIPMENT
The information below is provided to help technicians better understand common vehicle operations that may be incorrectly perceived as an issue. Additionally, diagnostic scan tool connection requirements are outlined for easier technician
CB22-J-003
Dec 14, 2022
060000 ENGINE AND ENGINE COOLING
Isuzu Motors Limited has determined that certain 2015 model year Isuzu N-Series trucks equipped with 5.2L (4HK1) diesel engines were built with an Engine Control Module (EC) containing an On-Board Diagnostic (OBD) calibration error for Diag
IB22-X-001A
Nov 28, 2022
350000 EQUIPMENT
Important: This service bulletin is not applicable to Isuzu Commercial Truck of Canada dealers. Product teams continually seek valuable information for product quality and engineering improvements. For the 2022-2023 model years F-Series,
IB18-N-003B
Nov 16, 2022
060000 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
SB22-L-001
Nov 2, 2022
030000 BRAKES (PWS)
The vehicle's Malfunction Indicator Lamp (MIL) may illuminate with DTC P22FB and/or P22FE set in the DEF Control Unit (DCU). If one or more of the preceding DTCs are present, first follow the diagnostic for the DTC(s) in question. If no me
SB22-J-002
Oct 19, 2022
060000 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
IB22-N-001
Oct 19, 2022
110000 ELECTRICAL SYSTEM
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
CB22-E-001A
Oct 17, 2022
010000 STEERING
Isuzu Motors Limited has decided that a defect, which relates to motor vehicle safety, exists in 2018, 2019, 2020 and 2021 model year F-Series vehicles. The jam nut for the steering stopper bolt on the left side may loosen and allow the bo
IB22-X-003
Sep 16, 2022
060000 ENGINE AND ENGINE COOLING
This bulletin outlines the diagnostic scan tool connection requirements to facilitate technicians' use of the tool on the 2023MY Isuzu N-Series Vehicles equipped with 6.6L Gasoline Engine.
CB22-N-002
Sep 9, 2022
110000 ELECTRICAL SYSTEM
In some 2022MY Isuzu F-Series trucks, an optional Diesel Particulate Filter (DPF) Regeneration "Inhibit" Switch was installed by mistake instead of the DPF Regeneration "Force" Switch. As a result, the vehicle operator will not be able to
IB16-F-001C
Sep 1, 2022
023000 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
Aug 30, 2022
350000 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
CB22-J-002A
Aug 29, 2022
060000 ENGINE AND ENGINE COOLING
CONDITION Isuzu Motors Limited has decided that a defect exists in certain 2022 model year Isuzu F-Series vehicles. Due to a software calibration error, the affected vehicles were built without engine exhaust braking functionality. Witho
CB22-K-001
Aug 25, 2022
100000 POWER TRAIN
CONDITION Isuzu Motors Limited has decided that a defect, which relates to motor vehicle safety, exists in certain 2022MY Isuzu FTR vehicles. The affected FTR vehicles were erroneously built with the 2022 MY FVR (Class 7 truck) transmissi
IB22-X-002A
Aug 15, 2022
350000 EQUIPMENT
The information below is provided to help technicians properly service the 2022MY Isuzu F-Series vehicles equipped with the 6.7L Cummins diesel engine. This bulletin also outlines the diagnostic scan tool connection requirements to facilit