P2791 Possible Causes
- Faulty range sensor
- Faulty transmission shift lever
- Shift lever harness is open or shorted
- Poor electrical connection in shift lever circuit
How to Fix Code P2791
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Check engine light on (or service engine soon warning light)
P2791 Meaning
The Transmission Control Module (TCM) monitors the gate select direction circuit signal. The TCM sets the OBDII code when the gate select circuit signal is outside factory specifications.