ISUZU

SB25-K-001A

2025-02-19 · NHTSA 11015066

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

SERVICE BULLETIN -- THE ORIGINAL CALIBRATION IN THE TCM OF CERTAIN 2025MY N-GAS VEHICLES CONTAINED INCORRECT LOGIC THAT MAY UNNECESSARILY CAUSE 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 MUST BE COMPLETED AFTER THE TCM CALIBRATION IS COMPLETED. DEALERS ARE TO REPROGRAM THE TCM WITH A CORRECTED SERVICE CALIBRATION AND PERFORM THE TRANSMISSION FAST LEARN. FOLLOW THE SERVICE PROCEDURE BELOW TO UPDATE THE TCM CALIBRATION AND PERFORM THE TRANSMISSION FAST LEARN AS REQUIRED.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.