Are you saying that the PCM is removed right now? If there's no PCM or the PCM isn't getting power or ground for what ever reason, the the ODB2 scanner won't be able to talk to it.
OBTW, did you check the grounding pins of the ODB2 DLC port?
Hello lets start with I have a 97 mustang gt v8 standard I had new engine transmission ect put all new well last month i shut the car off and had no power at all bought a new battery and alternator got all power back but it wont ignite brought to mechnic for a month all sensors codes ect are fine
First off thank you for taking the time to read this, I hope that you will be able to help me out in some way to get a 4 month project off the ground and back onto the streets. I'm not a master mechanic but know just a little bit, enough to do your typical maintenance, overhauls, and swaps. I...
www.allfordmustangs.com
Did you check the PCM/CCRM ground that goes around the battery onto the radiator core support?