Theory Of Operation
WARNING: This page is about a different car, the 2015 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
The Transmission Control Module (TCM) monitors the Pressure Control Solenoid (PPV-1) (GEAR VALVE 1) and circuits for errors. If the TCM detects an error in the Pressure Control Solenoid (PPV-1) (GEAR VALVE 1) circuit, the DTC will be set.