LML Dtc p12b6

durallymax

New member
Apr 26, 2008
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Under The Hood
Got a call today from dad that the 2011 wouldn't start. He started it put it in gear started to move and it died then wouldn't start. He checked for prime and claimed it was good. I just got home and tried starting it and after about 10 seconds of cranking it fired back up
them the next time it took 5 and the next time it was normal, just like it was loosing prime, guess I won't know because I never checked before trying to start it. But I scanned it quick and ECM P12B6 came up. Scanned Google and couldn't find jack on this code. Also noticed while I had efi live plugged in the truck would sporadically freak out about servicing traction control.

Anybody have some input on the code and such?

I know its got roadside assistance and with how busy we are, I was going to use it. But that means more downtime than if its just a quick fix. Regardless apparently it is foxed and now I am just curious.