I have 2 codes U11ED000 and U121400. I says both my sensors lost communication. I checked all wiring, changed sensors but to no avail. I worked on changing door module on the sliding door earlier but this problem didn't come up until recently. I seemed to trigger when the seat belt is pulled. I went off for a while but now it's on constantly. I even replaced wiring and used a circuit tester. Could this be triggered by a bad belt retractor? PLEASE HELP!