For 1990-2009 cars

# SMU - SEC. 5 - ABS - REV. SCHEM. & DIAG. CHART

#### SUBJECT: SERVICE MANUAL UPDATE - SECTION 5 - ANTI-LOCK BRAKES SYSTEM - REVISED SCHEMATIC AND DIAGNOSTIC CHART FOR DTCS C1323 AND C1324

#### MODELS: 1998 CHEVROLET VENTURE 1998 OLDSMOBILE SILHOUETTE 1998 PONTIAC TRANS SPORT

THIS BULLETIN IS BEING ISSUED TO REVISE THE ELECTRICAL SCHEMATIC AND DIAGNOSTIC TROUBLE CHART FOR DTCS C1323 (PCM TO EBTCM DELIVERED TORQUE CKT MALFUNCTION) AND C1324 (EBTCM TO PCM REQUESTED TORQUE CKT MALFUNCTION) IN SECTION 5 OF THE SERVICE MANUAL.

PLEASE REPLACE THE EXISTING SCHEMATICS AND CHARTS WITH THE ATTACHED.

FIGURES: 00 ATTACHMENTS: 08

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.

COPYRIGHT 1998 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.