Clutch A Pressure Engagement Performance/Too Low
Clutch A engagement pressure is below the calibrated minimum. Slip during launch and torque transfer reduced.
Affected components
- Clutch a
- Clutch actuator a
- Transmission pump
Common causes
- High likelihood: Hydraulic pump output pressure low
- Medium likelihood: Pressure regulator characteristic drift
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.