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Regular 5.7

C2129-17 was the fault code , the dealer said it was a high voltage issue

It has been checked for wiring and the pcm was changed also. They just recently changed the battery sensor and told me it was fixed. Unfortunately I never got out of the parking lot before the alarm went off 4 more times, it’s still at the dealer, they have had it for 2 weeks, I don’t know...

I am getting a message in the dash that says power steering unavailable Service Required, the codes are for high voltage

I have 2019 Laramie also, I’m having the same problem with the power steering not working, it stays off from anywhere from 10 seconds to 10 minutes. The dealer changed the pcm and I still have the same problem, does anybody have any suggestions?