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What Does P0793 Code Mean?

    OBD-II Code P0793 is defined as a Intermediate Shaft Speed Sensor "A" Circuit no Signal

    The Intermediate Shaft Speed Sensor tells the Transmission Control Module (TCM) how fast the intermediate shaft of the transmission is spinning so the correct gear can be engaged. When the TCM receives an inaccurate signal from this sensor, it can't properly shift the vehicle from gear to gear as the vehicle needs to change speed and rates of acceleration. The engine control module (PCM) or TCM will set code P0793.

    P0793 Symptoms

    • Increased fuel consumption
    • Transmission may not shift properly

    Common Problems That Trigger the P0793 Code

    • Intermediate shaft speed sensor failure
    • Powertrain Control Module (PCM) failure
    • Transmission Control Module (TCM) failure
    • Wiring issue
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