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OBD II Fault Code

  • OBD II P0AE5

    OBD-II Code High voltage control module failure is defined as a Range/Performance

    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 P0AE5 will be set.

    Common Problems That Trigger the P0AE5 Code

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