ABS INDICATOR LAMP ON, DTC'S 23/24 OR 34/35

SUBJECT: ABS INDICATOR LAMP ON, DTC(S) 23/24 OR 34/35 COULD SET (REPLACE ABS HARNESS/REPOSITION RETAINING CLIP)

MODELS: 1995-96 CHEVROLET BERETTA, CORSICA

CONDITION:

SOME OWNERS MAY COMMENT ON THE ABS INDICATOR LAMP ON. MALFUNCTION DIAGNOSTIC TROUBLE CODE(S) (DTC'S) 23 AND/OR 24 ON 1995 MODELS AND 34 AND/OR 35 ON 1996 MODELS COULD SET.

CAUSE:

THE REAR ABS HARNESS CAN BE DAMAGED AND RESULT IN AN OPEN CIRCUIT OR SHORT TO GROUND. THIS CONDITION WILL RESULT IN TURNING THE ABS INDICATOR LAMP "ON".

THE WIRING HARNESS CLIP IS INSTALLED FROM THE TOP-DOWN (SEE FIGURE 1, ITEM 1). THIS ALLOWS THE PARKING BRAKE CABLE TO REST ON THE ABS HARNESS RESULTING IN HARNESS CONTACT TO THE REAR AXLE. THIS CONTACT COULD LEAD TO HARNESS ABRASION AND ULTIMATELY AN OPEN ELECTRICAL CIRCUIT OR A SHORT TO GROUND.

CORRECTION:

TO CORRECT THE ABOVE CONDITION, REPLACE THE REAR ABS HARNESS AND INSTALL RETAINING CLIP FROM BOTTOM-UP (SEE FIGURE 1, ITEM 2). DO NOT ATTEMPT TO REPAIR THE DAMAGED HARNESS. (FIGURE 1 SUPERSEDES HARNESS ROUTING DEPICTED IN THE SERVICE MANUAL - 1995, PAGE 5E1-208, AND 1996, PAGE 5E1-203).

PARTS INFORMATION:

DESCRIPTION PART NUMBER =========== ===========

REAR ABS HARNESS ASSEM. (1995 MODEL) 12171010 REAR ABS HARNESS ASSEM. (1996 MODEL) 12164709

PARTS ARE EXPECTED TO BE AVAILABLE ON FEBRUARY 12, 1996.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION NUMBER: H2537 USE PUBLISHED LABOR OPERATION TIME.

FIGURES: 01 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.

COPYRIGHT 1996 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.