Ford
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Clutch Pedal Position Switch Circuit Conditions
Cause:
    Engine running, then the PCM did not detect any change in the CPP switch status Scan Tool Tips The CCP PID should change (5v to 0v) with clutch depressed

Generic
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Clutch Switch Input Circuit

GM
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Clutch Switch Circuit Conditions
Cause:
    No VSS codes set, engine running with VSS at 0 mph after the VSS had been more than 40 mph, and the VCM did not detect any changes in the Clutch switch status under these conditions.