Gate Select Actuator Circuit Range/Performance
The gate select actuator circuit reports a range/performance fault. Gate selection actuation is impaired.
Affected components
- Gate select actuator
- Wiring harness
- Tcm
Common causes
- High likelihood: Actuator response slower than calibrated
- Medium likelihood: High-resistance contact
- Low likelihood: Sensor element aged beyond calibration window
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
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.