DTC U0300-4A: Internal Control Module Software Incompatibility - Incorrect Component Installed: Action
WARNING: This page is about a different car, the 2015 Land Rover LR2, 2014 Land Rover LR2, and 2013 Land Rover LR2. However, it is still accessible from the selected car via links, so may be relevant.
- Clear the DTC and retest
- If the DTC returns, using the manufacturer approved diagnostic system check and install latest relevant level of software to the rear differential control module
- Clear the DTC and retest
- If the DTC returns, check and install a new (GEN 4) rear differential control module kit as required. For additional information, refer to: Active On-Demand Coupling Module