Description And Operation: Description
WARNING: This page is about a different car, the 2019 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
The Power Transfer Unit (PTU) is bolted to the right side of the transmission on All Wheel Drive (AWD) equipped vehicles. The PTU engages and disengages the propeller shaft as requested by the Drivetrain Control Module (DTCM). The DTCM controls an actuator that is bolted to the PTU.