DTC B10E7-11: Ignition On Relay - Circuit short to ground: Action

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

Refer to the relevant system wiring diagrams and check the power supply feed to engine junction box Ignition ON relay circuit for short circuit to ground