Theory Of Operation
WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
The Engine Disconnect Clutch (C0) is responsible for torque transfer between the engine and transmission as well torque transfer between the electric motor and the engine. This DTC indicates that the combustion engine is not being decoupled when the Engine Disconnect Clutch is commanded open during an combustion engine stop event.
The Engine Disconnect Clutch is not a serviceable component and is only available with the complete transmission assembly.