2012 Bmw 335i f30 sunroof/moonroof does not open or close. I tried reseting it by pushing up on the tilt ᴮᵁᵀᵀon several times and nothing.?
I have a 2012 BMW 335i F30, and my sunroof/moonroof will not open or close. I attempted to reset it by pressing the tilt button several times, but nothing happened. I’ve followed all the recommendations I found on various forums, but I still haven’t reached a resolution. I’m trying to determine whether the issue lies with the switch or the motor. Any insights or advice would be greatly appreciated. Thank you!
1 Answers
I tried finding the wiring diagram for the FZD, which is the German acronym for the Roof Function Controller. The big plastic thing with all the ᴮᵁᵀᵀons. Nobody has posted one. But to check it you need to remove it to get to the wires and use a Test Light to see if it’s switching power like it should. You would backprobe the connector. I saw the fuse is in the glove box. Check it with a Test Light, not just pull it and look. You really can’t do any Electrical Troubleshooting without at least Test Light. But a bad motor will usually make a dull clunk when when powered up and stuck. If there is no noise the power and ground input and switches are more suspect
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