P1755 Torque Converter Clutch Solenoid Circuit (Toyota Trans)
What does P1755 mean on a Toyota?
P1755. Torque Converter Clutch Solenoid Circuit (Toyota Trans). This Toyota-enhanced code applies to Camry, Corolla, RAV4.
Common causes of P1755
- Failed TCC solenoid
- Open or shorted TCC circuit
- Sticking lockup relay valve
- Low fluid level
- Corroded transmission connector
How to fix P1755
- Monitor TCC slip at highway cruise
- Test TCC solenoid resistance
- Check fluid level and condition
- Command lockup and watch response
- Replace the solenoid per slip data
Sources and review
- Last updated 2026-09-06.