U0300 (Pcm) - Internal Control Module Software Incompatibility
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
U0300 (PCM) - INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY
| Description: | ||||
| Possible Causes: | ||||
| Diagnostic Aids: | For additional description and operation of the vehicle communication network, refer to MODULE COMMUNICATIONS NETWORK . | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | Reprogram the PCM with the latest software. | |||