• Ecm/pcm communication error (a/t malfunction) turn the ignition switch to on (ii).

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    How do i fix it please?

    turn the ignition switch on (ii).

    clear the dtc with the hds.

    Webaug 26, 2021ย ยท 1 answer.

      If all the lights are off on the.

      If all the lights are off on the.

      Webit is normally a fault with bad coonection on the pins or a faulty power control module check the link below for trouble shooting this code.

      Question edited for clarity.

    1. Question moved to model category.

      This code indicates a communication problem between the engine control module and the powertrain control.

    2. Question moved to model category.

      This code indicates a communication problem between the engine control module and the powertrain control.

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