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Service bulletin 020525005

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 id634841
Published by NHTSA2002-10-09
Manufacturer's number020525005
Manufacturer's date2002-08-01
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

SUBJECT REGARDING DIAGNOSTIC TROUBLE CODE C0201 SET AND STORED IN HISTORY. *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.

Trouble codes named

C0201

Vehicles listed
CHEVROLET EXPRESS2003
CHEVROLET SIERRA2003
CHEVROLET SILVERADO2003
GMC SAVANA2003

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