DTC P1628-62: Module Ignition Supply Input - Signal compare failure: Action
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2019 Land Rover Range Rover Evoque, 2018 Land Rover Range Rover Evoque, 2017 Land Rover Range Rover Evoque, 2016 Land Rover Range Rover Evoque, and 2015 Land Rover Range Rover Evoque. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the electrical circuit diagrams and check the all wheel drive control module ignition circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Check both module connectors for sign of water ingress and replace as required
- If no water ingress is detected, check the central junction box for related DTCs and refer to the relevant DTC index
- If no related DTCs are present, using the Jaguar Land Rover approved diagnostic equipment, reconfigure the all wheel drive control module with the latest level software. Clear DTCs, cycle ignition and retest