SMU - SECTION 8A - REVISED POWERTRAIN CONTROL MODULE. Pontiac Grand Am 1995

SUBJECT: SERVICE MANUAL UPDATE - SECTION 8A - REVISED POWERTRAIN CONTROL MODULE (PCM) PIN-OUTS

MODELS: 1995 BUICK SKYLARK 1995 OLDSMOBILE ACHIEVA 1995 PONTIAC GRAND AM

THIS BULLETIN PROVIDES AN UPDATE TO THE POWERTRAIN CONTROL MODULE (PCM) PIN-OUTS FOR SECTIONS 8A-34, CRUISE CONTROL, AND 8A-202, CONNECTOR FACES IN THE APPROPRIATE SERVICE MANUAL.

THE REVISIONS ARE AS FOLLOWS:

PAGE 8A-34-0 ============

THE PIN-OUTS FOR THE PCM WERE SHOWN REPRESENTING THE INCORRECT ENGINE FOR THE PIN-OUT. TO CORRECT, CHANGE "L4" LABELS TO "V6 VIN M" AND CHANGE "V6 VIN M" LABELS TO "L4 VIN D". THERE ARE THREE PIN-OUTS FOR EACH ENGINE THAT REQUIRE THIS CHANGE.

PAGE 8A-202-28 ==============

THE DESCRIPTION FOR CAVITY "10" OF THE PCM, C2, WAS OMITTED. TO CAVITY "10", ADD "DK GRN" UNDER "WIRE COLOR", "83" UNDER CIRCUIT NUMBER, AND "CRUISE CONTROL SIGNAL-DISENGAGE" UNDER CIRCUIT FUNCTION.

PAGE 8A-202-32 ==============

THE CAVITIES BELOW SHOULD APPEAR AS SHOWN FOR THE PCM, C3, FOR THE L4 VIN D. L4 VIN 3 SHOULD BE CHANGED TO L4 VIN D THROUGHOUT SECTION 8A.

C2 TAN/BLK 422 TORQUE CONVERTER CLUTCH (TCC) CONTROL C2 TAN/BLK 456 SHIFT INDICATOR LAMP OUTPUT (MANUAL) C6 DK GRN 83 CRUISE CONTROL SIGNAL-DISENGAGE C14 LT GRN 1222 SHIFT SOLENOID A OUTPUT D1 WHT 776 TRANSMISSION PARK/NEUTRAL SIGNAL (4 SPEED) D1 ORN/BLK 1786 TRANSMISSION PARK/NEUTRAL SIGNAL (3 SPEED)

FIGURES: 00 ATTACHMENTS: 00

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.