I had the same thing right rear door light their is a 3-way splice under carpet between doors easy fix. You will need to un-tape wiring. You'll also get to find out if you have any water problems. I did.......
I have about 7500 miles on my WE Turbo. I'm doing service this weekend I'll pull plugs and take a look. Has been flawless so far no issues, been 3 years.