SMU - SEC. 7A - TRANS. UPDATES FOR DTC P0502 VEH. SPEED. Buick Regal 1997

SUBJECT: SERVICE MANUAL UPDATE - SECTION 7A - TRANSAXLE/TRANSMISSION UPDATES FOR DTC P0502 VEHICLE SPEED SENSOR CIRCUIT LOW INPUT AND DTC P0503 VEHICLE SPEED SENSOR CIRCUIT PERFORMANCE

MODELS: 1997 BUICK CENTURY, REGAL 1997 CHEVROLET LUMINA, MONTE CARLO 1997 OLDSMOBILE CUTLASS SUPREME 1997 PONTIAC GRAND PRIX WITH HYDRA-MATIC 4T60-E/4T65-E TRANSAXLE/TRANSMISSION (RPOS M13, M15, MN7) AND 3.1L, 3.4L, OR 3.8L ENGINE (VINS M, X, K, 1 - RPOS L82, LQ1, L36, L67)

THIS BULLETIN UPDATES DTCS P0502 AND P0503 IN SECTION 7A OF THE SERVICE MANUAL.

PLEASE REPLACE THE FOLLOWING PAGES IN THE APPROPRIATE SERVICE MANUALS WITH THE ATTACHED.

BUICK/PONTIAC

- REVISED PAGES ARE: 7A-83 AND 7A-86

CHEVROLET/OLDSMOBILE

- REVISED PAGES ARE: 7A-73,7A-76,7A-226 AND 7A-229

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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.