P1780 Park/Neutral Position Switch Circuit (A/T)
What does P1780 mean on a Toyota?
P1780. Park/Neutral Position Switch Circuit (A/T). This Toyota-enhanced code applies to Camry, Corolla, RAV4 with automatics.
Common causes of P1780
- Failed park/neutral switch
- Misadjusted shift linkage
- Open switch circuit
- Corroded switch connector
- Worn shift detents
How to fix P1780
- Confirm crank only in Park and Neutral
- Check linkage adjustment
- Test switch continuity in each position
- Inspect the connector
- Realign or replace the switch
Sources and review
- Last updated 2026-09-06.