Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance
TCM detects rationality fault between fluid pressure sensor A signal and commanded line pressure during defined operating conditions.
Affected components
- Transmission fluid pressure sensor
- Valve body
Common causes
- High likelihood: Sensor failed
- Medium likelihood: Low ATF level
- Low likelihood: Sensor element aged beyond calibration window
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
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.