OBD II Fault Code

  • OBD II P0933

    OBD-II Code Transmission Control Module (TCM) failure is defined as a Hydraulic Pressure Sensor Range/Performance

    The clutch uses hydraulic pressure to engage and disengage the clutch as well as shift gears. Pressure is stored in the Accumulator. The Accumulator Pressure Sensor tells the Transmission Control Module (TCM) how much pressure is in the system. If the sensor sends back an implausible signal, code P0933 is stored.

    Common Problems That Trigger the P0933 Code

    • Hydraulic power unit assembly failure
    • Transmission Control Module (TCM) failure
    • Wiring issue

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