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Service bulletin 020603006B

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 id634687
Published by NHTSA2002-10-04
Manufacturer's number020603006B
Manufacturer's date2005-03-01
Replaces050603002
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

CONCERNS WITH NO START, NO CRANK, BATTERY, BATTERIES, GENERATOR, ALTERNATOR GAGES, SERVICE ENGINE SOON, SIR, BRAKE, SECURITY, THEFT, ABS, HOT DIC MESSAGES, LAMP, LIGHT, BATTERY AND GENERATOR DIAGNOSTIC TESTING, AND CADILLAC ROADSIDE SERVICE, WARRANTY CLAIMS PROCEDURES FOR 1993 - 2003 PASSENGER CARS AND TRUCKS (EXCEPT ELECTRIC VEHICLES). THIS BULLETIN ALSO REPLACES 000603003 *TT UPDATED *EH UPDATE. *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
OLDSMOBILE OLDSMOBILE
PONTIAC PONTIAC

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