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2021 Denali 3500 went to code 3400

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    • April 7, 2021 at 4:49 am #648527
      broke2ride
      Participant

      Truck built 3 weeks ago and still at code 3400 It’s 2021 and still in the stone age with GM communication with what’s up with the hold on this truck.

    • April 8, 2021 at 5:28 am #648720
      broke2ride
      Participant

      Anyone else stuck where I am ? Code 3400 with GM chat being no help or the dealer.

    • May 8, 2021 at 8:02 pm #653805
      bsmall2800
      Participant

      Probably has to do with chip shortages I’d bet.

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