Pressure Control Solenoid L
A general fault in pressure control solenoid L. Detected via electrical resistance, response to commanded duty cycle, or downstream pressure measurement.
Affected components
- Pressure control solenoid l
- Valve body
Common causes
- High likelihood: Aged solenoid coil resistance drift
- Medium likelihood: Worn valve body bore around the solenoid
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.