30 years now as a certified master tech. About 6 years in a GM store in the 90s. I was an AC Delco shop for quite a while so benefitted from the same...
I don't think the PCM is fried I think there's probably some stuff in the background causing it. Only way to tell is to start over with a fresh new,...
Nothing done to vehicle. It has a bad ECM. Trying to replace it with a used one. Bone stock. The original complaint is the EVAP vent solenoid ckt. It...
Hello all. Trying to use GM Techline SPS and MDI to flash a stock cal to a used e38 ECM with same service number (12612384). This is for a 2008 Tahoe...