P0722 Output Shaft Speed Sensor Circuit No Signal
What does P0722 mean?
P0722 — Output Shaft Speed Sensor Circuit No Signal. This is an OBD-II diagnostic trouble code a scanner retrieves when your vehicle's computer detects output shaft speed sensor circuit no signal. The level of risk depends on how the vehicle is currently running and how long you've been driving with the light on.
Common causes of P0722
- Failed output speed sensor
- Open or shorted wiring
- Damaged tone wheel or incorrect sensor gap
- Corroded connector
- Faulty TCM
How to fix P0722
- Verify output shaft speed reads on a scan tool during a drive
- Inspect the sensor and its connector
- Measure sensor resistance and signal with a scope
- Check the tone wheel and gap
- Replace the sensor or repair wiring and confirm speed reads