When Monitored:

Ignition on, engine running with the transmission in a valid forward gear.

Vehicle speed greater than 10 Km/h (6 mph).

Accelerator Pedal Position (APP) greater than 12.5%.

Engine rpm greater than 450 rpm with TCC lock-up enabled.

TCC Lock up command is ON (True).

No  active DTCs from the following:

Torque Convertor Clutch Circuit Low, Step motor, Line Pressure Solenoid, Secondary Solenoid, Input and Output Speed Sensor, Primary or Secondary Pressure Sensor, or CAN BUS.