P0722
Output Speed Sensor Circuit No Signal
TCM detects no output shaft speed signal while the vehicle is moving. Triggers shift abnormalities, speedometer issues, and limp-home mode.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Common causes
Ordered by how often each turns out to be the cause.
- Output speed sensor failedCommon
- Wiring or connector faultPossible
Parts involved
- Output Speed Sensor
- Sensor Wiring
P0722 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.