Convertible Top Failure and Warning Lights in '05 Volvo S40: Seeking Advices and Possible Causes

Hey, I feel your pain. Had a similar issue with my '02 Volvo S60 last year. Turns out it was a busted fuse causing a mess with all those lights and the convertible top. My mechanic did some basic troubleshoot, you know, standard stuff, checked the fuses and there it was. The fault was with the Fuse #23, connected to convertible top operations and the rollover sensor. It wasn't as major as I'd initially thought, but it was indeed critical to get that sorted asap to avoid potential risks. If you're handy with tools, you might even be able to check and replace it yourself. Now, I can't say for certain that it's the same issue with your '05 S40, but if you're seeing warning lights on your speedo and airbag, the problem might be similar. Best bet is to have a mechanic you trust take a look at it or give it a shot yourself. Peace.

(Translated from German)

Hey, thanks for the tip. I'm a bit relieved that it might just be the fuse and not something more intricate. I'll give it a shot myself this weekend, since I do have a knack for handling tools. By the way, do you happen to recall how much you paid your mechanic for the diagnosis and fuse replacement? Also, have you encountered any further issues with your convertible top or the rollover sensor since then? Just trying to get a sense of what I might be in for. Cheers.

(Translated from German)

Hey there! So, good to hear you're going to give it a go yourself. On the money part, the fuse thing set me back 52.50 € - not too bad I guess. And about the rollover sensor, there's good news. Since getting it sorted out at the mechanic, there's been no more trouble with it, touch wood! Just remember to get it looked at first, the issue could be pretty similar to what I had, but still, it's always safe to get it checked out properly. As for doing it yourself, just be sure to take it easy and don't rush, man. Good luck with it and do keep us updated. Cheers!

(Translated from German)

Thanks a ton! Your advice has definitely calmed my nerves down a bit. The cost doesn't seem too bad and it's awesome to hear that your car's been doing well since the fix. I'll try tackling it this weekend and hopefully, my S40 won't give any more problems. If it turns out to be a bit more complicated, I guess I'll seek professional help then. And yeah, you're absolutely right, I won't rush while doing it myself - don't want to accidentally mess up something else! I'll surely update you guys after it's done. Cheers and thanks again for the useful tips.

(Translated from German)