DTC P0687-24: ECM/PCM Power Relay Control Circuit High - Signal stuck high: Action

WARNING: This page is about a different car, the 2020 Jaguar XE and 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

Prioritized Checks to Perform
- Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for other power distribution related Diagnostic Trouble Code(s) and perform the relevant corrective actions
- Refer to the electrical circuit diagrams and check the powertrain control module power relay circuit for short circuit to power. Repair the wiring harness as necessary