OBD II Fault Code

  • OBD II P0794

OBD-II Code Transmission may not shift properly is defined as a Intermediate Shaft Speed Sensor "A" Circuit Intermittent

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 P0794.

Transmission may not shift properly Symptoms

  • Increased fuel consumption
  • Transmission may not shift properly

Common Problems That Trigger the P0794 Code

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