DTC U2012-02 Car Configuration Parameter(s) - General signal failure: Action

NOTE:

After updating the car configuration file, set the ignition to on and wait 30 seconds before clearing the Diagnostic Trouble Code(s).
The FlexRay wiring harness must not be repaired by making a localised wiring repair. A new wiring harness should be installed.

Using the Jaguar Land Rover approved diagnostic equipment, check and update the car configuration file as necessary. Clear the Diagnostic Trouble Code(s) and retest
Refer to the appropriate system wiring diagrams and check the FlexRay bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
Using the Jaguar Land Rover approved diagnostic equipment, check the body control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC index