OBD II Fault Code

  • OBD II P0A39

OBD-II Code High voltage system may not operate is defined as a Generator Temperature Sensor Circuit High

The Hybrid Motor Temperature Sensor is built into the Hybrid Motor Assembly. When a failure is detected in the Hybrid Motor Temperature Sensor circuit, the engine control module (PCM) will set code P0A39.

High voltage system may not operate Symptoms

  • High voltage system may not operate

Common Problems That Trigger the P0A39 Code

  • High voltage motor failure
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