DTC P0078-13: Exhaust Valve Control Solenoid Circuit Bank 1 - Circuit open: Action

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

NOTE: Circuit reference - O_T_VVTEX -

Variable camshaft timing solenoid circuit open circuit, high resistance

Refer to the appropriate System Wiring Diagram(s) and check the variable camshaft timing solenoid circuit for open circuit, high resistance. Repair the wiring harness or install a new variable camshaft timing solenoid as necessary