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Thread: Transmission control module help
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12-06-2015 #1
New to Pro-Touring
- Join Date
- Apr 2008
- Posts
- 27
Transmission control module help
I am helping a friend on a 2005 Vette. The transmission went out at 17000 miles. Yes that is correct 10yrs old and 17000 miles. We replaced the Transmission with a GM unit and took it for a ride and it seems as though the torque converter is staying locked up or trying to lock up right after the car starts to move. We checked the voltage and ohm out the connector to the TCM(t42). We got another new T42 and tried using it but it is showing up as not programmed(P0602) code. We have EFILive and tried to program it to make it work but i could not make it work on the car. Does anyone know what I am missing on trying to program the tcm. Also I could see the speedometer on the EFI dashboad but the speedo in the vette would not work with the new controller.
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