Faulty Adam: Multiple Sensor & Warning Light Mystery

Hey there! I had a similar issue with my 2015 Vauxhall Corsa 1.4L. The parking sensors stopped working suddenly and I got those warning lights too. Turned out it wasn't as serious as it looked. Last month, my mechanic found that one of the main parking sensors had water damage and corrosion on its connections. The corroded sensor was sending faulty signals to the control module, which triggered those dashboard warnings. They had to replace two sensors and clean the wiring connectors. The job took about 2 hours, they had to remove the rear bumper to access everything properly. I'd recommend finding a garage that specializes in Vauxhall diagnostics, as they'll have the right equipment to properly test the parking aid system. My from the Vauxhall owners club suggested checking fuses first, sometimes it can be that simple. But in my case, it needed proper sensor replacement.

Thanks for sharing that! It sounds really similar to what I'm dealing with. Mine started acting up after some heavy rain, so water damage makes total sense. Can't remember, how much did they charge you for the whole thing? Have you had any issues pop up since the repair? I've got a good specialist in mind but just trying to figure out what I'm looking at cost-wise before I book it in.

Hey again! Just wanted to follow up, since getting my Corsa fixed at the mechanic's, everything's been working perfectly! The parking sensors are all functioning like new, and those annoying warning lights haven't come back at all. The total bill came to 265.00€, which covered replacing the faulty sensor and sorting out the corroded connections. It was definitely worth every penny to get it properly fixed. My mechanic mentioned water damage is pretty common with these sensors, especially after heavy rains like you mentioned. I'd say go ahead with your specialist, these electrical gremlins can be tricky, and it's worth paying for someone who knows what they're doing with Vauxhall electronics. The peace of mind knowing it's properly fixed is worth it. Plus, you're probably looking at a similar cost since it sounds like the same issue I had. Let me know how it goes when you get it sorted!

Thanks so much for all the details! I actually just got back from the specialist today. You were spot on about everything, it was definitely water damage causing all the trouble. Took my car in yesterday morning, and they found corroded sensors just like yours. Ended up paying 290€ for the whole job, a bit more than yours but still reasonable. They replaced three sensors and cleaned up all the connections. Even threw in a quick system check for free. Really happy I went with them instead of my old mechanic, these guys clearly knew their stuff with Vauxhall electronics. Everything's working perfectly now, no more warning lights and the parking sensors are beeping away like they should. Such a relief! Thanks again for sharing your experience, really helped me make the right decision. Definitely keeping these guys for future repairs! Take care!