P1761 – Lock-Up Solenoid Range (Toyota)
Description
The ECM detected a lock-up solenoid signal outside the expected range.
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Compare Diagnostic 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