P1718 – Transmission Output Speed Sensor (Toyota)
Description
The ECM detected a malfunction in the transmission output speed sensor.
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A diagnostic scanner with live data, freeze-frame information and the right system access can help you investigate the actual cause before replacing parts.
Compare Diagnostic ScannersSymptoms
- Harsh shifting
- Delayed shifting
- Incorrect speed reading
- Failsafe mode
- Check engine light
Causes
- Faulty output speed sensor
- Damaged wiring
- Connector corrosion
- Sensor contamination
- TCM signal error
Diagnosis
- Test output speed sensor
- Inspect wiring
- Check connectors
- Scan TCM data
- Inspect sensor
Repair
- Replace output speed sensor
- Repair wiring
- Clean connectors
- Remove debris
