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Service bulletin 020846006

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 id634615
Published by NHTSA2002-10-03
Manufacturer's number020846006
Manufacturer's date2005-03-01
Replaces020846006A
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

INCORRECT ONSTAR GLOBAL POSITION SYSTEM (GPS) LOCATION REPORTED DURING ONSTAR CALL FOR 2000 - 2002 PASSENGER CARS AND LIGHT DUTY TRUCKS WITH ONSTAR. *TT UPDATE TO ADD 2005 MODELS. *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
BUICK BUICK
CADILLAC CADILLAC
CHEVROLET CHEVROLET
GMC GMC
HUMMER H22003, 2004, 2005
OLDSMOBILE OLDSMOBILE
PONTIAC PONTIAC

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