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Service bulletin IB26-J-003

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 bulletin
NHTSA id11036834
Published by NHTSA2026-09-03
Manufacturer's numberIB26-J-003
Manufacturer's date2026-08-13
NHTSA componentENGINE
Manufacturer's systemENGINE

NHTSA's summary

INFORMATION BULLETIN: TECHNICIANS MAY ENCOUNTER DTC U0101 (00) LOST COMMUNICATION WITH TRANSMISSION CONTROL MODULE (TCM) STORED IN THE ELECTRONIC HYDRAULIC CONTROL UNIT (EHCU) AS A HISTORY CODE. WHEN AN IDLE SHUTDOWN EVENT OCCURS, COMMUNICATION BETWEEN THE TCM AND THE EHCU IS TEMPORARILY SUSPENDED. THIS CAN CAUSE DTC U0101 (00) TO SET IN THE EHCU ALTHOUGH THERE IS NO FAULT IN THE SYSTEM.

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

Engine

Trouble codes named

U0101

Vehicles listed
ISUZU N-SERIES2022 to 2025

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