Possible Causes
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.
NOTE:
Circuit reference - BATTERY/GND -
- Mismatch between the voltage at the transfer case control module and the voltage value broadcast on the CAN bus