DTC U0300: Internal Control Module Software Incompatibility: Action
WARNING: This page is about a different car, the 2013 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
RE-FLASH the PSCM software. CLEAR the DTC and REPEAT the self-test. If the DTC returns, INSTALL a new steering gear. REFER to STEERING GEAR .