P1708 – Shift Solenoid B (Toyota)
Description
The ECM detected improper operation of shift solenoid B affecting hydraulic pressure and gear shifting.
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Compare Diagnostic ScannersSymptoms
- Harsh shifting
- Delayed shifting
- Slipping
- Failsafe mode
- Check engine light
Causes
- Faulty shift solenoid B
- 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 solenoid B
- Refill ATF
- Clean valve body
- Repair wiring
