Pressure Control Solenoid M Electrical
The TCM detects an electrical fault on transmission pressure control solenoid M. Hydraulic pressure cannot be modulated as expected, causing harsh or slipping shifts.
Affected components
- Pressure control solenoid m
- Tcm
- Transmission wiring
Common causes
- High likelihood: Internal solenoid fault
- Medium likelihood: Wiring or connector fault
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.