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.
Affected components
- Output speed sensor
- Sensor wiring
Common causes
- High likelihood: Output speed sensor failed
- Medium likelihood: Wiring or connector fault
Possible 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
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.