Clutch Pedal Switch B Circuit
General electrical fault on the second clutch pedal switch B — provides redundant clutch-state detection (one switch upper end of pedal travel, other lower end) so the ECM can verify both ends of pedal motion. Used for accurate cranking and cruise enable logic.
Affected components
- Clutch pedal switch b
- Wiring harness
Common causes
- High likelihood: Open or shorted switch wire
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.