P0720
PowertrainTransmissionmoderate severityOutput Speed Sensor Circuit
What P0720 Means
Malfunction in the transmission output speed sensor.
Symptoms
- Check Engine Light
- Speedometer not working
- Incorrect shifting
- No shift points
Common Causes
- Faulty output speed sensor
- Wiring damage
- Tone ring damage
Diagnostic Steps
- Test sensor output
- Check wiring
- Inspect tone ring
Where to start: Replace output speed sensor.
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