DTC U0001-88: High Speed CAN Communication Bus - Bus off: Action

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2015 Jaguar XKR-S, 2015 Jaguar XKR, 2015 Jaguar XK, 2014 Jaguar XKR-S, and 2014 Jaguar XKR. However, it is still accessible from the selected car via links, so may be relevant.

Using the manufacturer approved diagnostic system, perform a CAN network integrity test. Refer to the appropriate electrical circuit wiring diagrams and check the high speed CAN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance