DTC U1A14-49: CAN Initialization Failure - Internal electronic failure: Action
WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- Clear the DTC and retest. If the problem persists, configure the module using the manufacturer approved diagnostic system. Clear the DTC and retest
- If the problem persists, check and install a new rear differential control module as required