× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Won't run O2 heater monitor
Posted to Emissions Forum on 5/21/2021 1 Reply

I would suspect a PCM issue. Perhaps a reflash of the PCM would be in order at this point. I have seen already where this was a problem. Seldom is but can't be ruled out. Also, there are some vehicles where the initial beginning of an OBDII drive cycle must be... Login to read more.

1 Replies Received (View Replies)