INFORMATION ON ZERO ADAPTS WITH SCAN TOOL. Chevrolet Astro

SUBJECT: INFORMATION ON ZERO ADAPTS WITH SCAN TOOL

MODELS: 1993-95 BUICK ROADMASTER 1993-95 CADILLAC FLEETWOOD 1993-95 CHEVROLET CAMARO, CAPRICE, CORVETTE 1993-95 PONTIAC FIREBIRD

1993-95 CHEVROLET AND GMC TRUCK C/K, S/T TRUCKS AND M/L AND G VANS 1993-94 OLDSMOBILE BRAVADA

TRANSMISSION APPLICATIONS: 1993-1995 HYDRA-MATIC 4L60-E (M30)

SOME VEHICLES EQUIPPED WITH A HYDRA-MATIC 4L60-E TRANSMISSION MAY HAVE DIFFICULTLY CLEARING THE ADAPTIVE CELLS AND COULD RESULT IN A CHECK SUM ERROR.

TO PROPERLY CLEAR THE ADAPTIVE CELLS, THE FOLLOWING STEPS SHOULD BE USED:

1. ZERO THE ADAPTIVE CELLS. 2. KEY OFF FOR 15 SECONDS. 3. KEY ON.

FIGURES: 0 ATTACHMENTS: 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 OCCURRING 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 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.