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OBD II Fault Code

  • OBD II P0A07

    OBD-II Code Engine may overheat is defined as a Motor Electronics Coolant Pump "A" Control Circuit High

    The Hybrid System has its own coolant pump, the Motor Electronics Coolant Pump. This pump is monitored and controlled by the engine computer (PCM). If the pump fails to operate as requested, code P0A07 will be stored.

    Engine may overheat Symptoms

    • Engine may overheat

    Common Problems That Trigger the P0A07 Code

    • High voltage coolant pump failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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