Back door will not open with key remote

Hello,

It sounds like you have a cargo unlock relay that is out. To be sure here is a guide to help test it with the relay location and I have included the lock system wiring diagrams so you can see how the system works:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Can you please shoot a quick video with your phone so we can see what's going on, that would be great. You can upload it here with your response.Check out the diagrams (below). Please let us know what happens.