Transmission Fluid Pressure
The TCM detects an out-of-range overall transmission fluid pressure. Hydraulic supply pressure does not match the calibrated profile.
Affected components
- Transmission pump
- Valve body
- Tcm
Common causes
- High likelihood: Transmission pump worn
- Medium likelihood: Transmission fluid level low
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
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.