P2610-87: ECM/PCM Engine Off Timer Performance - Missing message: Action

WARNING: This page is about a different car, the 2020 Land Rover Range Rover Velar. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The powertrain control module is unlikely to be the root cause for this DTC and must not be replaced without a Technical Assist Request (TA) being raised for further guidance

Refer to the electrical circuit diagrams and check the body control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
Refer to the electrical circuit diagrams 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