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Service bulletin 3019A

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 id10010238
Published by NHTSA2004-11-05
Manufacturer's number3019A
Manufacturer's date2004-01-01
Replaces3019B
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

DIAGNOSTIC TROUBLE CODE P0171 . *SC SERVICE ENGINE SOON LIGHT DUE TO DIAGNOSTIC TROUBLE CODE P0171. *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

P0171

Vehicles listed
BUICK RAINIER2004
CHEVROLET TRAILBLAZER2002, 2003, 2004
GMC ENVOY2002, 2003, 2004
OLDSMOBILE BRAVADA2002, 2003, 2004

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