Technical Service Bulletin CB25-K-001A — 2025 ISUZU N-SERIES
POWER TRAIN
Bulletin Details
| TSB ID | CB25-K-001A |
| Manufacturer | |
| Vehicle | 2025 ISUZU N-SERIES |
| Component | POWER TRAIN |
| Communication Date |
Bulletin Summary
CAMPAIGN BULLETIN -- IN SOME 2025MY ISUZU N-SERIES VEHICLES EQUIPPED WITH 6.6L GASOLINE ENGINES AND 8L90 AUTOMATIC TRANSMISSIONS AND WHOLESALED PRIOR TO DECEMBER 13, 2024, THE ORIGINAL CALIBRATION IN THE TRANSMISSION CONTROL MODULE (TCM) CONTAINED INCORRECT LOGIC THAT MAY UNNECESSARILY CAUSE DIAGNOSTIC TROUBLE CODE (DTC) P175E TO SET AND ILLUMINATE THE CHECK ENGINE MALFUNCTION INDICATOR LIGHT (MIL). AN UPDATED TCM CALIBRATION CORRECTING THIS CONCERN IS NOW AVAILABLE. ADDITIONALLY, THE TRANSMISSION FAST LEARN PROCEDURE MUST BE COMPLETED AFTER THE TCM REPROGRAMMING HAS BEEN COMPLETED.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2025 ISUZU N-SERIES
CB25-L-001
ENGINE
SB25-L-001A
ENGINE
SB25-K-002
POWER TRAIN
CB25-G-003
ELECTRICAL SYSTEM
SB25-L-001
ENGINE
SB25-L-001
FUEL/PROPULSION SYSTEM
SB25-K-001A
POWER TRAIN
CB25-K-001
POWER TRAIN
V2501_DEALER NOTICE
POWER TRAIN
IB19-R-002B
ELECTRICAL SYSTEM