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At the dealer for my friend to turn off F45.
I'm not allowed in the service area. Go figure
But he just said it's not communicating with the module. i told him to look and see if it had already been disconnected, any other ideas if its connected and not communicating somewhere else?
Make sure you have 12 volts at pin 16 at the DLC...a serial data issue can also cause no comms with all the modules ??...the dealer can’t figure this out ???
GM hides the fuse to the 0BD2 port on the cigarette lighter circuit---Chances are if use use the cig lighter for device battery charging the fuse is burnt and it will not communicate
In the end he got it. All the f45 stuff is gone.
on to the abs and TCS codes.
also,, the brand new window switch I put in the other day that worked isn't working.
project for the weekend. Likely unrelated