Chrysler
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Torque Converter Clutch Solenoid Circuit Conditions
Cause:
    Key on or engine running, then the PCM detected an open or short circuit condition in the TCC solenoid or its circuit

Ford
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    TCC Circuit Conditions
Cause:
    Engine running in gear, VSS signals received, and PCM did not detect a voltage change at TCC solenoid with it on

Generic
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Torque Converter Clutch Circuit Electrical

GM
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    TCC Enable Circuit Electrical (4L30-E Transmission)
Cause:
    Engine running with the TCC commanded off, TCM high side driver closed, then the PCM detected a short to ground (TCM detected less than 2.45v for 0.18 seconds on the control circuit), or an open circuit (TCM detected 2 45-3 53 volts for 0.18 seconds on the control circuit), or it detected a short to battery (TCM detects more than 4 02 volts for 0.18 seconds on the control circuit)