P0720
High SeverityOutput Speed Sensor Circuit
Transmission System
What Does P0720 Mean?
No signal from the transmission output speed sensor.
Common Fix
Replace output speed sensor
Estimated Cost (DIY)
$20 - $60
Symptoms
- β οΈNo speedometer
- β οΈHarsh shifting
- β οΈLimp mode
Common Causes
Failed output speed sensorlikely
Wiring issuepossible
How to Diagnose P0720
- 1Check sensor connector
- 2Test sensor
- 3Replace sensor
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Shop OBD2 Scanners on Amazon βFrequently Asked Questions
- Is the output speed sensor the same as the vehicle speed sensor?
- On some vehicles, yes. On others, they are separate sensors.
- Can this affect the speedometer?
- Yes β the output speed sensor is often used for speedometer calculations.
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