TRUCK WILL NOT MOVE, CRUISE CONT. INOP, MALF. INDICATOR. Chevrolet S10

SUBJECT: TRUCK WILL NOT MOVE, CRUISE CONTROL INOPERATIVE, MALFUNCTION INDICATOR LIGHT (MIL) ON, DTCS 5, 6, 74 (REPROGRAM DMCM)

MODELS: 1997 CHEVROLET S-10 ELECTRIC TRUCK

CONDITION:

SOME OWNERS MAY REPORT THE TRUCK WILL NOT MOVE OR THE CRUISE CONTROL WILL NOT OPERATE AND/OR THE MALFUNCTION INDICATOR LIGHT (MIL) IS ON. DIAGNOSIS MAY REVEAL DIAGNOSTIC TROUBLE CODES (DTCS) 5, 6 AND/OR 74 ARE STORED.

CAUSE:

DMCM CALIBRATION FAULT.

CORRECTION:

FOLLOW THE STRATEGY BASED DIAGNOSTICS AND PUBLISHED PROCEDURES FOR THE SPECIFIC SYMPTOM AND DTCS. IF DIAGNOSIS DOES NOT REVEAL A CAUSE, REPROGRAM THE DMCM WITH CALIBRATION FILE NUMBER 09351849.

WHEN THE REPROGRAMMING PROCESS IS COMPLETE:

1. TURN OFF THE VEHICLE FOR AT LEAST 10 SECONDS. 2. START THE VEHICLE AND TURN ON THE AIR CONDITIONING WITH THE FAN ON THE HIGH SPEED SETTING. 3. TURN OFF THE VEHICLE WITH THE A/C AND FAN LEFT ON AND WAIT AT LEAST 10 SECONDS. 4. ROAD TEST VEHICLE AND CONFIRM THAT THE CRUISE CONTROL NOW OPERATES NORMALLY.

IMPORTANT: THIS NEW CALIBRATION IS NOT AVAILABLE FROM GMSPO. IT IS AVAILABLE STARTING WITH THE 1997 TECHLINE CD ROM DISC #19 UPDATE.

WARRANTY INFORMATION

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OP DESCRIPTION LABOR TIME J6355 REPROGRAMMING USE PUBLISHED LABOR OPERATION TIME

IMPORTANT: LABOR OPERATION IS CODED TO BASE VEHICLE COVERAGE IN THE WARRANTY SYSTEM.

FIGURES: 0

CAPTIONS: 0

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.