Pressure Control Solenoid L Performance/Stuck Off
Pressure control solenoid L is commanded on but does not produce the expected pressure. Spool stuck closed or hydraulic feed restricted.
Affected components
- Pressure control solenoid l
- Valve body
Common causes
- High likelihood: Solenoid spool stuck in closed position
- Medium likelihood: Hydraulic feed restricted by debris
- Low likelihood: Carbon or debris buildup preventing free movement
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.