Clutch B Temperature Too High
The transmission control unit measures clutch B temperature above the safe operating threshold. Repeated slip events or excessive load have heated the clutch pack.
Affected components
- Clutch b
- Transmission fluid
- Tcm
Common causes
- High likelihood: Excessive clutch slip during launches
- Medium likelihood: Degraded transmission fluid lowers heat capacity
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.