P1797 Park/Neutral Position Switch Signal Malfunction
What does P1797 mean on a Ford?
P1797 — Park/Neutral Position Switch Signal Malfunction. This Ford-enhanced code applies to F-150, Ranger, Explorer, Mustang.
Common causes of P1797
- Failed park/neutral position switch
- Misadjusted switch after transmission work
- Damaged switch wiring
- Corroded switch connector
- Faulty manual lever detent feel masking the misalignment
How to fix P1797
- Confirm crank happens only in Park and Neutral
- Check reverse lamp operation as a switch sanity test
- Inspect switch adjustment and mounting
- Test switch continuity in each position
- Realign or replace the switch per results