OBD II Fault Code

  • OBD II P0AE3

    OBD-II Code High voltage control module failure is defined as a Hybrid Battery Precharge Contactor Circuit Stuck Open

    The High Voltage Control Module uses relays to control proper operation of the high voltage system. If one or more of these relays is determined by the control module to be faulty, code P0AE3 will be set.

    Common Problems That Trigger the P0AE3 Code

    • Auxiliary 12V battery failure
    • High voltage control module failure
    • High voltage system relay failure
    • Wiring issue

    Common Repairs Needed for the P0AE3 Code

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