SMU - SECTION 3 DRIVEABILITY & EMISSIONS

SUBJECT: SERVICE MANUAL UPDATE-SECTION 3-DRIVEABILITY AND EMISSIONS CONTROL MODULE SYSTEMS-REVISED DTC 32 CHART

MODELS: 1994-95 CHEVROLET AND GMC TRUCKS, C/K AND G MODELS WITH 6.5L DIESEL ENGINE (VINS S AND P-RPOS L56 AND L49)

THIS BULLETIN IS BEING ISSUED TO ADVISE TECHNICIANS OF A CHART REVISION TO THE DTC 32 EGR CIRCUIT ERROR.

TECHNICIANS ARE INSTRUCTED TO USE THE ATTACHED REVISED CHART FOR FUTURE DIAGNOSIS. THIS INFORMATION REPLACES ALL INFORMATION FOUND IN SECTION 3 CONTROL MODULE SYSTEMS.

THE FOLLOWING PAGES ARE BEING REVISED:

1994 AND 1995 DRIVEABILITY, EMISSIONS + ELECTRICAL DIAGNOSIS C/K AND G TRUCKS: PAGE 3-67

FIGURES: 00 ATTACHMENTS: 01

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 1995 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.