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What Does P0934 Code Mean?

    OBD-II Code P0934 is defined as a Hydraulic Pressure Sensor Circuit Low

    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 P0934 is stored.

    Common Problems That Trigger the P0934 Code

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