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

WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, and 2016 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

After updating the car configuration file, set the ignition to on and wait 30 seconds before clearing the DTCs.
The FlexRay wiring harness must not be repaired by making a localized 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 DTCs and retest
- Check the CCF from the car. Read parameter T5 30 and T5 31 Final Drive ratio. Check that value correspond to Vehicle/Engine specification. Check that calibration correspond to Vehicle/Engine specification
Refer to the appropriate system wiring diagram 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 DTCs and refer to the relevant DTC index