SMU - SECTION 6E - ENGINE CONTROLS - REVISED PCM OUTPUT

SUBJECT: SERVICE MANUAL UPDATE - SECTION 6E - ENGINE CONTROLS REVISED PCM OUTPUT DIAGNOSIS TABLE

MODELS: 1996 CHEVROLET AND GMC TRUCKS S/T MODELS WITH 2.2L ENGINE (VIN 4 - RPO LN2)

THIS BULLETIN IS BEING ISSUED TO REVISE THE PCM OUTPUT DIAGNOSIS TABLE. REFER TO THE UPDATED PCM OUTPUT POSITION TABLE WHEN PERFORMING DIAGNOSTICS ON THE RELATED PCM OUTPUT CIRCUITS.

FIGURES: 00 ATTACHMENTS: 02

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.