P0715 – Input/Turbine Speed Sensor Circuit
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Symptoms
- Harsh shifting
- Poor acceleration
- Limp mode
- No speed reading
- Check engine light
Causes
- Faulty turbine sensor
- Damaged wiring
- Loose connector
- TCM issue
- ECU issue
Diagnosis
- Inspect wiring
- Test turbine sensor
- Check connectors
- Scan live data
- Inspect TCM
Repair
- Replace turbine sensor
- Repair wiring
- Fix connectors
- Replace TCM
- Update ECU