Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 726 bulletins for ISUZU
IB22X001
Jan 26, 2022
350000 EQUIPMENT
Product teams continually seek valuable information for product quality and engineering improvements. For the new 2022 model year FTR, Isuzu Commercial Truck of America, Inc. (Isuzu) will be strictly monitoring complete vehicle performance
SB10K001H
Jan 14, 2022
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
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
CB21J003
Dec 21, 2021
060000 ENGINE AND ENGINE COOLING
Voluntary Emissions Recall: Vehicles equipped with 6.6L L8T gasoline engines before 5/18/2021: Recall on the engine Important Engine Information. Label does not meet all regulatory requirements. Dealer will install new labels.
CB21J002
Dec 21, 2021
060000 ENGINE AND ENGINE COOLING
Voluntary Emissions Recall: Vehicles equipped with 6.6L L8T gasoline engines after 5/18/2021: Recall on the engine Important Engine Information. Label does not meet all regulatory requirements. Dealer will install new label.
IB21X003
Dec 1, 2021
353000 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
IB17X001C
Nov 12, 2021
030000 BRAKES (PWS)
The information in this bulletin is provided to help technicians better understand common vehicle operations that may be incorrectly perceived by customers as a problem. Additionally, diagnostic scan tool connection requirements are outlin
IB14J002B
Oct 1, 2021
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
TURBOCHARGER INSPECTION.
CB21L001
Aug 27, 2021
080000 FUEL SYSTEM, DIESEL
Customer Satisfaction Campaign: Reprogram Diesel Exhaust Fluid Control Unit (DCU); vehicle may light MIL for DTC P225C in error due to DCU calibration. Reflashing of DCU with updated calibration will resolve this issue.
IB10X004L
Aug 1, 2021
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
In an effort for continuous improvement, Isuzu has a need to obtain Mimamori ECU
IB18X001D
Jul 1, 2021
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This bulletin supersedes information bulletin IB18-X-001C. The purpose of this bulletin is to update affected model years. Please discard previous bulletin IB18-x-001c. ISUZU DTC ANALYZER (IDA) ? PILOT PROGRAM INTRODUCTION
SB21L001
Jul 1, 2021
060000 ENGINE AND ENGINE COOLING
DTC P225C CALIBRATION UPDATE ? REPROGRAM DEF CONTROL UNIT (DCU). Follow the diagnostic for this DTC. If no mechanical fault can be found during normal diagnosis, follow the service procedure in this bulletin to correct the concern.
IB12J005E
Jun 25, 2021
060000 ENGINE AND ENGINE COOLING
INTAKE MANIFOLD INSPECTION/REPLACEMENT AFTER SEVERE INTERNAL ENGINE DAMAGE - Severe Engine Damage, Broken Valves, Broken Pistons, and Piston to Cylinder Head Damage
SB21J001
Jun 1, 2021
060000 ENGINE AND ENGINE COOLING
An investigation of returned fuel injectors has shown that injectors are being unnecessarily replaced. We have identified a common occurrence of an illuminated Malfunction Indication Light (MIL) with DTC P0172 Fuel Trim System Rich set in t
IB21-J-001
May 26, 2021
070000 FUEL SYSTEM, GASOLINE
ISUZU 6.0L N-GAS VEHICLES HAVE BEEN FACTORY FITTED WITH ONE OF TWO DIFFERENT VACUUM PUMPS. EARLIER N-GAS VEHICLES HAD VACUUM PUMPS WITH A SHORTER INPUT SHAFT THAT UTILIZED AFLAT PULLEY (SEE FIGURE 1.) A NEWER DESIGN OF VACUUM PUMP WITH A
WB08-X-001H
May 21, 2021
350000 EQUIPMENT
THIS BULLETIN PROVIDES INSTRUCTIONS WITH REGARD TO THE ISUZU COMMERCIAL VEHICLE (CV) WARRANTY PARTS CENTER ON THE TOPICS OF PARTS RETENTION, PARTS PREPARATION FOR SHIPPING, AND ADMINISTRATION. NOTE: EFFECTIVE JUNE 1, 2021 DEALERS/SERVICE C
WB18-X-001A
May 21, 2021
070000 FUEL SYSTEM, GASOLINE
THIS BULLETIN PROVIDES SHIPPING PREPARATION AND ADMINISTRATION INSTRUCTINOS WITH REGARD TO PARTS RETURN REQUESTS FROM THE ISUZU TECHNICAL ASSITANCE LINE (TAL). THE TAL PARTS RETURN REQUEST SYTSEM IS USED BY ISUZU COMMERCIAL TRUCK OF AMERIC
SB21-H-001
Apr 27, 2021
350000 EQUIPMENT
ISUZU COMMERCIAL TRUCK OF AMERICA, INC. IS PROVIDING THIS BULLETIN TO REMIND DEALERS TO STRICTLY FOLLOW THE PROCEDURES SET FORTH IN THE APPLICABLE SERVICE MANUAL WHEN CONDUCTING SLACK ADJUSTER AND OTHER BRAKE COMPONENT MAINTENANCE AND INSPE
CB21-X-001A
Mar 26, 2021
350000 EQUIPMENT
CONDITION IN SOME 2020MY ISUZU N-SERIES TRUCKS EQUIPPED WITH 6.6L L8T GASOLINE ENGINES, THE INFORMATION IN THE VEHICLES' OWNER MANUAL REGARDING ENGINE OIL CAPCITY DURING MAINTENANCE IS INACCURATE. AS A RESULT, ATECHNICIAN OR OTHER PERSON
CB21-J-001A
Mar 26, 2021
350000 EQUIPMENT
CONDITION IN SOME 2020MY ISUZU N-SERIES TRUCKS EQUIPPED WITH 6.6L L8T GASOLINE ENGINES, THE ORIGINAL EQUIPMENT ENGINE OIL DIPSTICKS WERE INCORRECTLY CALIBRATED AND THE INFORMATION IN THE VEHICLES' OWNER MANUAL REGARDING OIL CAPCITY DURING
IB21-X-002
Mar 18, 2021
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 CAN TOOL CONNECTION REQUIREMENTS ARE OUTLINED FOR EASIER TECHNICIAN DI
IB21-X-001
Mar 17, 2021
070000 FUEL SYSTEM, GASOLINE
PRODUCT TEAMS CONTINUALLY SEEK VALUABLE INFORMATION FOR PRODUCT QUALITY AND ENGINEERING IMPROVEMENTS. FOR THE NEW 2022 MODEL YEAR NQR/NRR GAS VEHICLES, ISUZU COMMERCIAL TRUCK OF AMERICA, INC. (ISUZU) WILL BE STRICTLY MONITORING COMPLETE VE
IB19-K-001A
Mar 4, 2021
100000 POWER TRAIN
THE CHECK TRANS LIGHT MAY ILLUMINATE IN THE AFFECTED VEHICLES WITHOUT ANY APPARENT TRANSMISSION CONCERNS. THE TRANSITION CONTROL MODULE (TCM) IS PROGRAMMED BY ALLISON TO PREDICT THE NEED FOR TRANSMISSION MAINTENANCE RELATING TO THE OIL LIF
IB11-L-003D
Mar 4, 2021
070000 FUEL SYSTEM, GASOLINE
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
SB18-L-002B
Feb 10, 2021
070000 FUEL SYSTEM, GASOLINE
SOME CUSTOMERS MAY EXPERIENCE AN ILLUMINATED MALFUNCTION INDICATOR LIGHT (MIL) WITH DTC P20EE DIESEL EXHAUST FLUED (DEF) SYSTEM NOX TRAP LOW EFFICIENCY SET WITHOUT AN APPARENT CAUSE. NEW CALIBRATIONS FOR THE DEF CONTROL UNIT (DCU) HAVE BEE