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

GM
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    TCC Circuit Intermittent Conditions
Cause:
    PCM detected, twice per vehicle trip, that a grounded, open or short condition existed in the TCC actuator circuit for a time period less than that required to set DTC P0740 and P0743

Nissan
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Torque converter lock-up solenoid - circuit malfunction
Cause:
    Wiring, clutch solenoid, TCM