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OBD II Fault Code

  • OBD II P0A4F

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

The hybrid control module uses sensors to determine the position of the hybrid motor's internal components. If the hybrid control module determines there is a fault in the position sensor, the engine control module will set code P0A4F.

High voltage system may not operate Symptoms

  • High voltage system may not operate

Common Problems That Trigger the P0A4F Code

  • High voltage control module failure
  • High voltage motor failure
  • Wiring issue
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