2019

Have a 2019 or 2020 Silverado/Sierra With Trailer Lighting Issues? GM Has A Fix!

If you own a 2019 through 2020 new generation Silverado or Sierra (HD included) that has trouble keeping trailer lights on and/or flashes the lights on your truck every few seconds while hooked up to a trailer – here is how to fix it. Technical Service Bulletin: #20-NA-198 Release Date: 12/4/2020 TSB #20-NA-198 Applies To:… Continue reading Have a 2019 or 2020 Silverado/Sierra With Trailer Lighting Issues? GM Has A Fix!