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OBD II Fault Code

  • OBD II P2791

OBD-II Code Powertrain Control Module (PCM) failure is defined as a Gate Select Direction Circuit Low

Manual Transmissions have a sensor built into the shift lever that tells the engine computer (PCM) what gear the transmission is in. If the Shift Lever Position Sensor sends the PCM an implausible signal, code P2791 is stored.

Common Problems That Trigger the P2791 Code

  • Powertrain Control Module (PCM) failure
  • Shift lever assembly failure
  • Wiring issue
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