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Service bulletin 990604037

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 id608390
Published by NHTSA1999-11-26
Manufacturer's number990604037
Manufacturer's date1999-09-01
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

SUBJECT ON ON-BOARD DIAGNOSTIC (OBD) SYSTEM IMPROVEMENTS. *MJS

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

Vehicles listed
BUICK CENTURY1998
BUICK LESABRE1998
BUICK PARK AVENUE1998
BUICK REGAL1998
BUICK SKYLARK1998
CHEVROLET C SERIES1998
CHEVROLET CAMARO1998
CHEVROLET G SERIES1998
CHEVROLET K SERIES1998
CHEVROLET L SERIES1998
CHEVROLET LUMINA1998
CHEVROLET M SERIES1998
CHEVROLET MALIBU1998
CHEVROLET MONTE CARLO1998
CHEVROLET P SERIES1998
CHEVROLET S SERIES1998
CHEVROLET T SERIES1998
CHEVROLET VENTURE1998
GMC C SERIES1998
GMC G SERIES1998
GMC K SERIES1998
GMC L SERIES1998
GMC M SERIES1998
GMC P SERIES1998
GMC S SERIES1998
GMC T SERIES1998
OLDSMOBILE 881998
OLDSMOBILE ACHIEVA1998
OLDSMOBILE BRAVADA1998
OLDSMOBILE CUTLASS1998
OLDSMOBILE INTRIGUE1998
OLDSMOBILE SILHOUETTE1998
PONTIAC BONNEVILLE1998
PONTIAC FIREBIRD1998
PONTIAC GRAND AM1998
PONTIAC GRAND PRIX1998
PONTIAC TRANS SPORT1998

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

Recalls for the same vehicles and component
14V4000002014-07-03. ELECTRICAL SYSTEM:IGNITION
04V0360002004-01-27. ELECTRICAL SYSTEM:IGNITION:SWITCH

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
14350D2024-01-16. Service bulletin. Unintended Ignition Key Rotation
14350B2023-12-04. Service bulletin. Unintended Ignition Key Rotation
14350A2023-12-04. Service bulletin. Unintended Ignition Key Rotation
022320042005-04-06. Service bulletin. IF THE ENGINE FAILS TO START AND THE DRIVER HOLDS THE KEY IN THE START POSITION FOR AN EXTENDED PERIOD, HIGH CURRENT FLOWS THROUGH THE IGNITION SWITCH AND SOMETIMES PRODUCES ENOUGH HEAT TO MELT INTERNAL SWITCH PARTS. *TT
021120042005-04-06. Service bulletin. REPLACEMENT IGNITION KEY CLARIFICATION. *TT
041220042004-09-17. Service bulletin. IGNITION CIRCUIT THERMAL EVENTS, THREE PHASE SAFETY RECALL 04002. GM VOICEMAIL EXPRESS. *TT
040022004-07-13. Service bulletin. PRODUCT SAFETY RECALL IGNITION CIRCUIT THERMAL EVENTS. *MJ
017682004-04-26. Service bulletin. IGNITION KEY REPLACEMENT. *MR
0206040112002-10-07. Service bulletin. SUBJECT REGARDING REVISED DIAGNOSTIC TROUBLE CODE P0140. *TT
0108490202002-06-25. Service bulletin. SUBJECT REGARDING REVISED IGNITION LOCK CYLINDER OR IGNITION SWITCH ASSEMBLY REPLACEMENT. *SLC