WenmarOpen by Wenmar Pro

Service bulletin 11042002

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 id10008613
Published by NHTSA2004-08-10
Manufacturer's number11042002
Manufacturer's date2002-11-04
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

TECHNICIANS AY NOTICE A HISTORY OF DIAGNOSTIC TROUBLE CODE (DTC) U1241 STORED IN VARIOUS MODULES. DTC U1241 IS A LOSS OF COMMUNICATION WITH THE MASTER DIMMING MODULE. 2003 FULL-SIZE PICK UPS AND UTILITIES. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system

Trouble codes named

U1241

Vehicles listed
UNKNOWN UNKNOWN1

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