PROM - Improved Driveability With A/T
89chevy12Number: 85-187
Section: 6E
Date: MAR., 1986
Subject: REVISED CALIBRATION PROM FOR IMPROVED DRIVEABILITY
Model and Year: 1985 CORVETTE WITH AUTOMATIC TRANSMISSION
TO: ALL CHEVROLET DEALERS
A revised calibration PROM has been released which is intended to improve driveability on 1985 Corvettes with Automatic transmission.
This PROM contains changes to improve tip in response when accelerating and also raises torque converter clutch engagement speeds to 41 MPH.
This PROM P/N is 1227805.
Use applicable labor operation number and labor time.