P1712 – Torque Converter Clutch Solenoid (Toyota)
Description
The ECM detected improper operation of the torque converter clutch solenoid.
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View Recommended ScannersSymptoms
- Shuddering
- Slipping
- Harsh shifting
- Poor acceleration
- Check engine light
Causes
- Faulty TCC solenoid
- Dirty ATF
- Valve body blockage
- Wiring issues
- TCM driver fault
Diagnosis
- Check ATF condition
- Test solenoid resistance
- Inspect wiring
- Scan TCM data
- Inspect valve body
Repair
- Replace TCC solenoid
- Refill ATF
- Clean valve body
- Repair wiring
