P1757 – Line Pressure Solenoid Stuck (Toyota)
Description
The ECM detected a stuck line pressure solenoid affecting hydraulic pressure.
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Compare Diagnostic ScannersSymptoms
- Harsh shifting
- Delayed shifting
- Slipping
- Failsafe mode
- Check engine light
Causes
- Stuck solenoid
- Dirty ATF
- Valve body blockage
- Wiring issues
Diagnosis
- Check ATF condition
- Test solenoid movement
- Inspect wiring
- Scan TCM data
Repair
- Replace solenoid
- Clean valve body
- Refill ATF
- Repair wiring