Ford
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    TCC Mechanical System Performance Conditions
Cause:
    Engine running in gear with VSS signals received, then the PCM detected excessive slippage during normal vehicle operation or no TCC solenoid operation

Generic
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Torque Converter Clutch Circuit Performance/Stuck Off

GM
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    TCC System Stuck Off Conditions
Cause:
    No Noise or TSS codes set, engine speed over 908 rpm, TFT input over 68°F, TSS input over 224 rpm, TCC applied for 5 seconds, then the PCM did not detect any gear change for 7.5 seconds