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OBD II Fault Code

  • OBD II P0A25

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

The engine computer (PCM) monitors the amount of power the hybrid transaxle (motor/transmission assembly) produces. If the PCM does not receive a signal, code P0A25 will be stored. The Generator Torque Sensor is internal to the hybrid transaxle assembly.

High voltage system may not operate Symptoms

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

Common Problems That Trigger the P0A25 Code

  • Hybrid transaxle assembly failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue
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