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Service bulletin 020847003

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 id634519
Published by NHTSA2002-10-03
Manufacturer's number020847003
Manufacturer's date2002-07-01
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

THIS BULLETIN IS BEING ISSUED TO REVISE DIAGNOSTIC TROUBLE CODES B1652, B1656 AND B1658. *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.

Components

Electrical system, Ignition

Trouble codes named

B1652, B1656, B1658

Vehicles listed
BUICK PARK AVENUE2000, 2001, 2002

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

Other bulletins for the same vehicles and component
021120042005-04-06. Service bulletin. REPLACEMENT IGNITION KEY CLARIFICATION. *TT
017682004-04-26. Service bulletin. IGNITION KEY REPLACEMENT. *MR
0206040082002-05-21. Service bulletin. SUBJECT REGARDING REVISED DIAGNOSTIC TROUBLE CODE P0341 CAMSHAFT POSITION SENSOR PERFORMANCE. *SLC
0811012002-03-05. Service bulletin. SOME VEHICLES MAY EXHIBIT A DIAGNOSTIC TROUBLE CODE AFTER INSTALLING A REPLACEMENT ABS EBCM. *TT
990812000-02-25. Service bulletin. VOLUNTARY EMISSION CAMPAIGN TO INSPECT / REPLACE SPARK PLUG. *TT