daniel murphy

Hello, I connected the new switch and it worked without any programming. I was wondering if it was going to work as i was figuring out how to take the truck apart. So when i got to the point where is was able to unplug the old one, i plugged in the new one and tried it first before reassembly. And it worked! Here's what i did on my 2022 GMC Sierra 1500 Elevation - (This may not apply to older models (Chevy, older models, ??) 1 - Pull of panel located near hood release. Remove hex head screw (7mm socket) that holds the next panel to the right of the first panel you just removed 2 - Remove passenger side fuse panel cover and (3) hex head screws 3 - Remove panel to the right of glove box 4 - Remove both trim peices on the side of center console - grab from underside and pull out, then slide back a little 5 - Remove panel thats under heater control bezel (red lines pointed at this) 6 - Remove panel thats above heater control bezel (highlighted with yellow) 7 - Remove hex head screws holding bezel in place, pull out bezel from dash. 8 - Replace the switch, it pops out from the back of the bezel. There are 4 plastics tabs holding it to the bezel. Gently pry out on the tabs on one side and get the switch started on that side, then the otherside and remove. Reverse order for reassembly. Be gentle and take your time. I bought the switch P/N 84488395 from ebay for $34.74 plus tax - free shipping frome seller : directchevyparts Ordered it on 1/16 and had it on 1/19. Quick - from Arizona to CT! Hope this helps.

Update - I installed a new trailer brake slide switch myself (Part# 84488395.) The dealer I brought the truck to would not do anything, as they’re waiting for the engineers? The trailer brakes are working fine now.

Got my truck back yesterday with nothing done by my dealer. They said they’re waiting on the proper fix from the engineers. I started a case with GM, and they called back today, absolutely no help and told me to bring it to a different dealer. Lol. What a joke.

My 2022 GMC Sierra is experiencing the same issue with trailer brakes disabling. Its going to the dealer Monday. We will see wha they say. Ill keep ya posted, hopefully its just the switch.