P1706 – Neutral Position Switch (Toyota)
Description
The ECM detected a malfunction in the neutral position switch affecting gear detection and shift logic.
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Compare Diagnostic ScannersSymptoms
- Incorrect gear display
- No start in gear
- Harsh shifting
- Failsafe mode
- Check engine light
Causes
- Faulty neutral switch
- Misadjusted switch
- Damaged wiring
- Connector corrosion
- TCM signal fault
Diagnosis
- Check switch alignment
- Inspect wiring
- Test switch output
- Scan TCM data
- Check connectors
Repair
- Adjust switch
- Repair wiring
- Replace switch
- Clean connectors
