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  1. I

    Exchange of PTC - HVIL keeps car from starting

    Exchanged the PTC to another one I got, and now the HVIL fault is gone. Apparently something wrong in the plug of one of the PTC heaters I got from the wrecker.
  2. I

    Exchange of PTC - HVIL keeps car from starting

    Hello, I have a 2019 M3 with the all too common PTC fault. I exchanged the PTC myself, but when I connected everything back together, the main contactors would not close and I got an HVIL fault (high voltage interlock loop). I traced it to the connector on the PTC, and I really could not...
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