DTC U0037-87: Vehicle Communication Bus B - Missing message: Action

Using the Jaguar Land Rover approved diagnostic equipment, inspect the snapshot data to determine the missing message source control module. Inspect the relevant control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC index. Inspect the module power supply circuit for failure, repair as necessary
Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the appropriate system wiring diagrams and inspect the high speed CAN bus (body) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary