SMU - SECTION 3 - CONTROL MODULE SYSTEMS - REVISED

SUBJECT: SERVICE MANUAL UPDATE-SECTION 3-CONTROL MODULE SYSTEMS- REVISED DTC 19 CHART

MODELS: 1995 CHEVROLET AND GMC TRUCK C/K, G, P3 MODELS WITH 6.5L DIESEL ENGINE (VINS S, F, P - RPOS L56, L65, L49)

THIS BULLETIN IS BEING ISSUED TO ADVISE TECHNICIANS OF A CHART REVISION TO THE DTC 19 CRANKSHAFT POSITION SENSOR REFERENCE ERROR.

TECHNICIANS ARE INSTRUCTED TO USE THE ATTACHED REVISED CHART FOR FUTURE DIAGNOSIS. THIS INFORMATION REPLACES ALL DTC 19 INFORMATION FOUND IN SECTION 3, CONTROL MODULE SYSTEMS, IN THE 1995 DRIVEABILITY, EMISSIONS AND ELECTRICAL DIAGNOSIS C/K, G AND P3 TRUCK MANUAL - PAGE 3-49.

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.