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Service bulletin 020730007

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 id629591
Published by NHTSA2002-04-04
Manufacturer's number020730007
Manufacturer's date2002-02-01
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

SUBJECT REGARDING AT OIL TEMP LIGHT ON WITH DIAGNOSTIC TROUBLE CODE 15 SET. *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.

Vehicles listed
CHEVROLET W SERIES1999 to 2000
CHEVROLET W-SERIES2001 to 2002
GMC W SERIES1999 to 2000
GMC W-SERIES2001 to 2002

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