Hi guys. I have a ‘13 D4 whose tailgate is giving increasingly frequent problems. When you press the release switch on the tailgate or the fob you can hear the actuator work but the door doesn’t open. I’ve seen online that’s it was a common issue with the D3 and was caused by a worn actuator. I replaced the actuator and locking mechanism yesterday (new genuine Land Rover parts) but the problem is still the same. The last part of the whole mechanism is the switch itself but I thought since the key fob won’t open it either then the switch wasn’t the issue. Any ideas??