Possible Causes

WARNING: This page is about a different car, the 2023 Jaguar F-Pace and 2022 Jaguar F-Pace. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Wiring reference - SUBCAN H/SUBCAN L

SUB-CAN network communication error
SUB-CAN network circuit short circuit to ground, short circuit to power, open circuit, high resistance