Subject: 3 - 2 Downshift Flare (Reflash Control Module)
Model and Year: 1995 CHEVROLET CORVETTE WITH 4L60-E TRANSMISSION (RPO M30) AND 3.07 REAR AXLE RATIO BUILT BEFORE VIN BREAKPOINT 105682
Source: Chevrolet Dealer Service Bulletin
Bulletin Number: 57-71-02
REVISION: 02/03/95
THIS BULLETIN IS BEING REVISED TO CHANGE THE PARTS INFORMATION SECTION
CONDITION:
SOME OWNERS MAY EXPERIENCE A 3-2 DOWNSHIFT FLARE (ENGINE RPM INCREASE) BETWEEN 30 AND 60 MPH (48 AND 97 KM/H).
CAUSE:
TO ENCOMPASS VARIATION IN TRANSMISSION BUILDS.
CORRECTION:
REFLASH THE POWERTRAIN CONTROL MODULE WITH THE APPROPRIATE PART NUMBERS BELOW.
REFER TO YOUR SERVICE MANUAL FOR PROPER PROCEDURE.
PARTS INFORMATION:
PART # DESCRIPTION VERSION
16212471 FEDERAL NOVEMBER 16212461 EXPORT NOVEMBER
THIS NEW CALIBRATION IS AVAILABLE STARTING WITH THE NOVEMBER, 1994 CD UPDATE.
Article ID: 591
Created: July 29, 2014
Last Updated: July 29, 2014
Online URL: https://www.corvetteactioncenter.com/tech/knowledgebase/article/1995-corvette-service-bulletin-3-2-downshift-flare-reflash-control-module-591.html