Theory Of Operation
WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
The purpose of this diagnostic is to verify that the vehicle is making enough oil pressure to operate the Variable Valve Timing (VVT) System. Once this diagnostic is enabled, engine oil pressure will be checked. If it is determined that there is not enough oil pressure to operate the VVT system, VVT will be disabled. For the VVT to system to operate, the oil pressure must be approximately 42 psi. For the VVT to remain enabled the engine oil pressure can not drop below 31 psi.