Hi. I've had the dealer replace the sensor for the convertible top a few times now. Tired of spending so much each time it happens.
Problem: the convertible top "icon" keeps flashing even when the top is up and closed, and the windows don't function properly (don't go up all the way, car has to be turned off/on to get them to go up, etc.)
Do you know what part (sensor?) causes this, and how I can repair/replace it myself?
I have a 2001 Audi TT and the dealer wanted a couple of hundred dollars to adjust the sensors. I found on another forum that if after you close the top and lock the latch just push on the driver side of the latch with the palm of your hand. The ICON on the dash will go out and the windows will close all the way. I have been doing this for about a year.
Yeah, me too. In fact, I think it is the instrument cluster. I say this b/c I became part of a class action lawsuit when a lawyer contacted me. Turns out there are quite a few enough people that have not only this problem, but there all the lights come on in the cluster. This is what happens to me on a damp day. The whole panel lights up like an X-mas tree and my soft top light is on all the time.
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Before taking this problem to the dealer, you might check this quick fix. I had the same problem on my 2007 Pontiac G6 Gt Convertible, and just resolved it.
First, you can access your trunk by disconnecting, and then reconnecting your negative battery terminal-this clears the safety code momentarily allowing the trunk to be opened using your trunk release button.
After you have the trunk open, check the wiring harness located in the top right corner of the trunk lid where the hinge is attached to the trunk lid. My wiring harness had come loose, allowing a wire to get stuck in the hinge, resulting in a cut wire-it was a red one. I spliced the wire back together, taped it up with electrical tape, and then secured the harness to the hinge assembly so wires couldn't come loose again. The problem resolved immediately with no further issues. Good luck.
Definitely want to stay away from the dealer. Might try a respectable garage mechanic and ask him kindly how to go about it. If they know anything about it, I'm sure they can give you advise. You could also purchase a repair manual for the car, this will come in handy when your next problem comes along also. Manuals are around 10-20 bucks and well worth the money.
Hi Reba. There are a few sensors that can fail or need to be adjusted. A BMW repair shop should be able to diagnose the convertible top and get a fault indicating which sensor is acting up. The most common sensor failure is the rotation angle sensor on the driver side near the left rear corner at the convertible top hinge.
If they scanned it and it showed a sensor then repair may be your only option.
Did a little reading and the VW has a reset sequence when the top doesn't work.
Give this a try. You've got nothing to lose.
DID the top just stop? Have you lowered it before? If you have lowered it before then I am sure you are doing it correctly (parking brake set) Go to a place that is familiar with repair convertible tops. Like the dealer or a bmw specialist. they should charge a couple hours or less to tell you what is wrong. You can try a couple of things yourself but even for an experienced mechanic it is difficult. If they have a bmw code reader and not a generic one, it may tell you what sensor or motor is at fault. Sometimes the switch itself goes bad. Try pushing farther down on the switch or apply pressure at an angle on the switch. That will only work if there is a bad contact on the switch, and if it works you have a bad switch, but I doubt it. Go into your manual or online and it will give you information on how to lower your top manually. When you lower your top manually you disengage the motor (which is in the trunk). Then you could try to engage the motor and see if it will lift up and close. Sometimes this will re-time the top and that is all that is needed. Otherwise get it to the dealer. If your mechanic wants 1000 he does not want to fix it or does not know how. The motor may cost a 1000, but usually it would make noises or poop before going out and most repairs are sensor related. Hope that helps
I'm sorry, the message I got was to clarify my problem, and the problem was this: The power top on my 2008 TT Roadster would neither go up nor down via electronic control, and the emergency remedy, a.k.a. release the pressure on the pistons via wild goose chase through a hole in the driver's side deep in the trunk. REMEDY:
I took the car to the dealership and they replaced the "convertible top flap motors". The top works, but they laughed when I asked for an emergency pair, even though the service manager told me that the emergency piston release remedy recommended in the manual was pretty much useless. I must say that aside from my bitter words about the problem, and my consternation, there are few things that are as relaxing as a cruise around the CrotonReservoir system with the top down.
top still needs to be adjusted to fully seat properly in the trunk/boot. if the upholsterer who replaced the top is not familiar with the adjusting process for a BMW, then i would take it to a BMW dealer and have them do the final adjustments.