P1761 – Lock-Up Solenoid Range (Toyota)
Description
The ECM detected a lock-up solenoid signal outside the expected range.
Want to confirm the real cause of this fault code?
A high-quality OBD2 scanner gives you live data, fuel trims, sensor readings and freeze-frame information — exactly what you need to verify the root cause of this code with confidence.
View Recommended ScannersSymptoms
- Shuddering
- Slipping
- Harsh shifting
- Poor acceleration
- Check engine light
Causes
- Faulty solenoid
- Low ATF
- Dirty ATF
- Wiring issues
- TCM signal error
Diagnosis
- Test solenoid output
- Inspect wiring
- Check ATF condition
- Scan TCM data
Repair
- Replace solenoid
- Refill ATF
- Service ATF
- Repair wiring
