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OBD II Fault Code

  • OBD II P0A3B

    OBD-II Code Generator Over Temperature is defined as a Generator Over Temperature

    When the Hybrid Inverter/Converter Assembly gets too hot, the engine control module (PCM) detects an the hybrid assembly is getting too hot, the PCM will set code P0A3B.

    Common Problems That Trigger the P0A3B Code

    • High voltage coolant level is too low
    • High voltage water pump failure
    • Inverter/converter assembly failure
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