For 1990-2009 cars

# SMU - SEC. 8A-51 - BODY CONT. MOD. - REV. DIAG.

#### SUBJECT: SERVICE MANUAL UPDATE - SECTION 8A-51 - BODY CONTROL MODULE (BCM) - REVISED DIAGNOSTIC SYSTEM CHECK

#### MODELS: 1998 CHEVROLET VENTURE 1998 OLDSMOBILE SILHOUETTE 1998 PONTIAC GRAND PRIX, TRANS SPORT

THIS BULLETIN IS BEING ISSUED TO REVISE STEP 20 IN THE BODY CONTROL MODULE (BCM) DIAGNOSTIC SYSTEM CHECK TABLE ON PAGE 8A-51-9 OF THE SERVICE MANUAL.

REPLACE THE ACTION IN STEP 20 WITH THE FOLLOWING:

1. LEAVE THE TEST LIGHT CONNECTED (FROM STEP 19).

2. REINSTALL THE MALL PGM FUSE (GRAND PRIX) OR BCM PRGRM FUSE (VENTURE, TRANS SPORT AND SILHOUETTE).

3. TURN THE IGNITION SWITCH TO THE ACC OR RUN POSITION.

4. OBSERVE THE TEST LIGHT.

IS THE TEST LIGHT ON?

FIGURES: 00

ATTACHMENTS: 00

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.

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