How do you flash the pcm in your 02 Monte Carlo I change the motor in my mc from a 3.8 to a sc 3.8 and with that changed the pcmthe body module and ignition and still the security light flashes twic?
How do you flash the pcm in your 02 Monte Carlo I change the motor in my mc from a 3.8 to a sc 3.8 and with that changed the pcmthe body module and ignition and still the security light flashes twic?