DTC U1A14-49: CAN Initialisation 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.

NOTE: Adaptive speed control is disabled. The instrument cluster displays a warning message CRUISE NOT AVAILABLE.

Using the manufacturer approved diagnostic system, perform a CAN network integrity test. Refer to the applicable SYSTEM WIRING DIAGRAM(S) and test the high speed CAN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance