Gear Shift Actuator Temperature Too High
The gear shift actuator on an automated manual or DCT transmission has reached over-temperature. Frequent shifting in stop-and-go traffic overloads the actuator.
Affected components
- Gear shift actuator
- Tcm
Common causes
- High likelihood: Frequent shifts in stop-and-go traffic
- Medium likelihood: Cooling air channel blocked
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
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.