Clutch Pedal Switch A/B Correlation
The signals of clutch pedal switches A and B do not correlate within the calibrated tolerance. One switch failed or harness offset between channels.
Affected components
- Clutch pedal switch a
- Clutch pedal switch b
- Ecm
Common causes
- High likelihood: One switch contact failed
- 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
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.