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Service campaign V2501_DEALER NOTICE

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService campaign
NHTSA id11013608
Published by NHTSA2025-02-04
Manufacturer's numberV2501_DEALER NOTICE
Manufacturer's date2025-01-31
Campaign id or software versionV2501
NHTSA componentPOWER TRAIN

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Trouble codes named

P175E

Vehicles listed
ISUZU N-SERIES2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.