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.

Using the manufacturer approved diagnostic system, reconfigure the driver/passenger seat module with the latest level software. Clear the DTCs and retest. If the fault persists, install a new driver/passenger seat module