1 - 2 UPSHIFT RUN-THROUGH WITH END BUMP. Chevrolet Impala 1995

SUBJECT: 1-2 UPSHIFT RUN-THROUGH WITH END BUMP AND 2-3 UPSHIFT FLARE (REFLASH CONTROL MODULE)

MODELS: 1995 CHEVROLET CAPRICE WITH 4.3L ENGINE (VIN W - RPO L99) AND 4L60-E TRANSMISSION (RPO M30) AND 2.93 AXLE RATIO VIN BREAKPOINTS - START OF PRODUCTION - 134648 - FEDERAL START OF PRODUCTION - 134795 - CALIFORNIA (EXPORT)

CONDITION:

SOME OWNERS MAY EXPERIENCE A 1-2 UPSHIFT RUN-THROUGH WITH END BUMP AND 2-3 UPSHIFT FLARE.

CAUSE:

CHANGE IN POWER LEVEL.

CORRECTION:

REFLASH THE POWERTRAIN CONTROL MODULE WITH THE APPROPRIATE PART NUMBERS BELOW.

REFER TO YOUR SERVICE MANUAL FOR PROPER PROCEDURE.

SERVICE PARTS INFORMATION:

NEW FILE # DESCRIPTION VERSION

16220821 FEDERAL MARCH 16220831 CALIFORNIA (EXPORT) MARCH

THIS NEW CALIBRATION WILL BE AVAILABLE STARTING WITH THE MARCH, 1995 CD UPDATE.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE: LABOR CODE: J6355 USE PUBLISHED LABOR OPERATION TIME.

FIGURES: 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.