DTC U0300: Internal Control Module Software Incompatibility: Description

WARNING: This page is about a different car, the 2014 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0300:00 (Internal Control Module Software Incompatibility: No Sub Type Information) - This DTC is set if the PSCM detects a configuration data failure or a mismatch between the stored and retrieved data during self-test. This DTC is usually set if the PSCM has recently been flashed and the flash was done incorrectly or was interrupted.