Why is the OBD II scanner not communicating?
Why is the OBD II scanner not communicating? Check the fuse box (Power Panel), it might be the reason why PCM isn’t able to receive power as well as communicate. Why does my Ford scanner not work when plugged in? OBD II..the scanner will not communicate when plugged in OBD II..the scanner will not communicate when plugged in - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. How can I tell if my truck is not starting? A test for DC voltage between a ground point (eg. battery negative...