When Monitored

Ignition on with a system voltage between 9.0 and 16.0 volts.

Time since last TRS change greater than 2.0 seconds.

Condition one: 

TCC ON/OFF in the ON position.

No Active DTCs from the following:

Lost Communication with Powertrain Control Module (PCM).

Step Motor.

TCC ON/OFF Solenoid.

Input or Output Speed Sensor.

Condition two: 

Lost Communication with Powertrain Control Module (PCM).

Step Motor.