Suspect corrosion

Thanks for the prompt reply. I went out and braved the weather and found nothing under the hood, both top and bottom. I checked the firewall area both inside and out - all appeared normal. All connections were solid. I did find that the gauges pass the POST (Power On Self Test) and then die. Time to stop mucking around before I break something. Decision time. ~Lee

Ed92626, I took my Verano to the dealer this morning. All my sensor and display problems were caused by a defective REAR SIDE DETECTION MODULE. The module was dragging down all the other warning modules and was gradually getting worse. The wrench turner told me it would have eventually cause even more failures and possibly BIG expen$ive repairs. The labor and two sensors came to $1,100.00. Car is once again perfect. Thank you for your sage advice; following it got me rolling again and saved me money in the long run. You are a real asset to this site. ~Lee

our 2015 passenger side is exposed to all the weather.they leak.mine was filled with sand and shorted out.these units need recalled.i just went to a car lot and took one off a car.my warranty...popped it on and good as new.

GM should have a recall on this problem

Yes a recall should of been done I had to have two modules replace this is a safety issue cost me 1500 only 30000 kil

2015 Buick Regal GS 30000 km blind spot monitors failed due to corrosion. what gives?

That Gm refuses to acknowlede the Side Detection problem - cost $1100 - I and many will never consider buying a Buick again - and i suggest you dont either