Our automotive experts have put together the following information about the P0A18 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0A18 code.

OBD II Fault Code

  • OBD II P0A18

    OBD-II Code High voltage system may not operate is defined as a Motor Torque Sensor Circuit Range/Performance

    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 P0A18 will be stored. The Motor 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 P0A18 Code

    • Hybrid transaxle assembly failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
    Not the OBD-II Code You're Looking For?

    No comments yet...

    Sign in to comment