# 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.

- Type: Service bulletin
- NHTSA id: 608390
- Published by NHTSA: 1999\-11\-26
- Manufacturer's number: 990604037
- Manufacturer's date: 1999\-09\-01
- NHTSA component: ELECTRICAL 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

- 1998 BUICK CENTURY
- 1998 BUICK LESABRE
- 1998 BUICK PARK AVENUE
- 1998 BUICK REGAL
- 1998 BUICK SKYLARK
- 1998 CHEVROLET C SERIES
- 1998 CHEVROLET CAMARO
- 1998 CHEVROLET G SERIES
- 1998 CHEVROLET K SERIES
- 1998 CHEVROLET L SERIES
- 1998 CHEVROLET LUMINA
- 1998 CHEVROLET M SERIES
- 1998 CHEVROLET MALIBU
- 1998 CHEVROLET MONTE CARLO
- 1998 CHEVROLET P SERIES
- 1998 CHEVROLET S SERIES
- 1998 CHEVROLET T SERIES
- 1998 CHEVROLET VENTURE
- 1998 GMC C SERIES
- 1998 GMC G SERIES
- 1998 GMC K SERIES
- 1998 GMC L SERIES
- 1998 GMC M SERIES
- 1998 GMC P SERIES
- 1998 GMC S SERIES
- 1998 GMC T SERIES
- 1998 OLDSMOBILE 88
- 1998 OLDSMOBILE ACHIEVA
- 1998 OLDSMOBILE BRAVADA
- 1998 OLDSMOBILE CUTLASS
- 1998 OLDSMOBILE INTRIGUE
- 1998 OLDSMOBILE SILHOUETTE
- 1998 PONTIAC BONNEVILLE
- 1998 PONTIAC FIREBIRD
- 1998 PONTIAC GRAND AM
- 1998 PONTIAC GRAND PRIX
- 1998 PONTIAC TRANS SPORT

## Recalls for the same vehicles and component

- [14V400000](/recalls/nhtsa/14V400000.md), 2014-07-03: ELECTRICAL SYSTEM:IGNITION
- [04V036000](/recalls/nhtsa/04V036000.md), 2004-01-27: ELECTRICAL SYSTEM:IGNITION:SWITCH

## Other bulletins for the same vehicles and component

- [14350D](/bulletins/10248778.md), 2024-01-16, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION. Unintended Ignition Key Rotation
- [14350B](/bulletins/10245891.md), 2023-12-04, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION. Unintended Ignition Key Rotation
- [14350A](/bulletins/10245890.md), 2023-12-04, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION. Unintended Ignition Key Rotation
- [02232004](/bulletins/10013000.md), 2005-04-06, Service bulletin: ELECTRICAL SYSTEM:IGNITION. 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
- [02112004](/bulletins/10012990.md), 2005-04-06, Service bulletin: ELECTRICAL SYSTEM:IGNITION. REPLACEMENT IGNITION KEY CLARIFICATION. \*TT
- [04122004](/bulletins/10009214.md), 2004-09-17, Service bulletin: ELECTRICAL SYSTEM:IGNITION. IGNITION CIRCUIT THERMAL EVENTS, THREE PHASE SAFETY RECALL 04002. GM VOICEMAIL EXPRESS. \*TT
- [04002](/bulletins/10007858.md), 2004-07-13, Service bulletin: ELECTRICAL SYSTEM:IGNITION. PRODUCT SAFETY RECALL IGNITION CIRCUIT THERMAL EVENTS. \*MJ
- [01768](/bulletins/10006221.md), 2004-04-26, Service bulletin: ELECTRICAL SYSTEM:IGNITION. IGNITION KEY REPLACEMENT. \*MR
- [020604011](/bulletins/634710.md), 2002-10-07, Service bulletin: ELECTRICAL SYSTEM:IGNITION:MODULE. SUBJECT REGARDING REVISED DIAGNOSTIC TROUBLE CODE P0140. \*TT
- [010849020](/bulletins/631899.md), 2002-06-25, Service bulletin: ELECTRICAL SYSTEM:IGNITION. SUBJECT REGARDING REVISED IGNITION LOCK CYLINDER OR IGNITION SWITCH ASSEMBLY REPLACEMENT. \*SLC

JSON: [/v1/bulletins/608390](/v1/bulletins/608390)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20990604037&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F608390&vehicle=Service%20bulletin%20990604037)