U025D-88: Lost Communication With Front Controls Interface Module "B" - Bus off: 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, check rear integrated control panel for DTCs and refer to the relevant DTC index
Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check rear integrated control panel power and ground circuits for open circuit. Check CAN harness between engine control module and rear integrated control panel, repair as necessary