HomeAll RepliesReply To: 2020 Yukon XL Denali Electrical problem Reply To: 2020 Yukon XL Denali Electrical problem Sponsored August 30, 2021 at 7:00 pm #669659 BryanTZParticipant Those sound like serious issues. Take it back to the dealer for a warranty. Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored