WenmarOpen by Wenmar Pro

Service bulletin 020451003

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 id634903
Published by NHTSA2002-10-10
Manufacturer's number020451003
Manufacturer's date2002-04-01
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

SUBJECT REGARDING REVISED DIAGNOSTIC TROUBLE CODE B2725. *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

B2725

Vehicles listed
CADILLAC ESCALADE1999, 2000
CADILLAC ESCALADE2002
CHEVROLET C SERIES1999 to 2002
CHEVROLET K SERIES1999 to 2002
GMC C SERIES1999 to 2002
GMC K SERIES1999 to 2002

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