"It is because the PCM is specific to the VIN number on the car"
Means that computer will only work on one car, the car that has its VIN number programmed into it. Unlike many GM computers, your dealer should be able to program your car's VIN number into a used computer.
Just to be sure we are not overlooking a simple, common problem, check if the engine will stay running if you hold the accelerator pedal down 1/4". Also verify it is not in theft mode by unlocking a front door with the key or with the remote key fob.
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Friday, March 30th, 2018 AT 8:19 PM