P0722 Code: Output Speed Sensor Circuit No Signal
🟠 Moderate severity · drivable
Drivable, but the speedometer may not work and shifting can be erratic. Fix it soon.
What P0722 means
The output speed sensor is producing no signal at all, so the computer can't read the transmission's output shaft speed.
Symptoms
- Check engine light is on
- Speedometer not working
- Harsh or erratic shifting
- Transmission may enter limp mode
Common causes
- most common: Faulty output speed sensor
- common: Damaged wiring or loose connector
- less common: Low or dirty transmission fluid
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Replace the output speed sensor | Mechanic | $100–300 |
| Check the transmission fluid level and condition | Yes | $20–60 |
Frequently asked questions
Can I drive with a P0722 code?
Yes, but the speedometer may not work and shifting can be erratic. Fix it soon.
What is the most common cause of P0722?
A faulty output speed sensor.
How much does it cost to fix a P0722?
Typically $100–$300 for a new speed sensor.
Related codes
P0720
P0720 Code: Output Speed Sensor Circuit Malfunction
P0721P0721 Code: Output Shaft Speed Sensor Circuit Range/Performance
P0500P0500 Code: Vehicle Speed Sensor (VSS) Malfunction
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.