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

WARNING: This page is about a different car, the 2020 Jaguar XE and 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the electrical circuit diagrams and check the high speed CAN bus (comfort) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair or replace wiring harness as necessary, clear the DTCs and retest