SMU - SECTION 3 - CONTROL MODULE SYSTEMS REVISED. GMC Truck GMC K Pickup

SUBJECT: SERVICE MANUAL UPDATE-SECTION 3-CONTROL MODULE SYSTEMS REVISED DTC 44 CHART

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

THIS BULLETION IS BEING ISSUED TO ADVISE TECHNICIANS OF A CHART REVISION TO THE DTC 44 EGR PULSE WIDTH ERROR.

TECHNICIANS ARE INSTRUCTED TO USE THE ATTACHED REVISED CHART FOR FUTURE DIAGNOSIS. THIS INFORMATION REPLACES INFORMATION FOUND IN SECTION 3, CONTROL MODULE SYSTEMS OF THE FOLLOWING SERVICE MANUALS:

1994 DRIVEABILITY, EMISSIONS AND ELECTRICAL DIAGNOSIS C/K AND G TRUCK MANUAL - PAGE 3-83

1995 DRIVEABILITY, EMISSIONS AND ELECTRICAL DIAGNOSIS C/K AND G TRUCK MANUAL - PAGE 3-83

FIGURES: 00 ATTACHMENTS: 01

Object Number: 85107 Size: FS

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 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.