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OBD II Fault Code

  • OBD II P0ADB

    OBD-II Code High voltage system may not operate is defined as a Hybrid Battery Positive Contactor Control Circuit Low

    The High Voltage System is engaged and disengaged through the Hybrid Control Module. If the Hybrid Control Module cannot control the circuit to the high voltage battery, code P0ADB will set.The Hybrid Control Module may disable the high voltage system.

    High voltage system may not operate Symptoms

    • High voltage system may not operate
    • Vehicle will not charge

    Common Problems That Trigger the P0ADB Code

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