HomeAll RepliesReply To: GMC Sierra Code U1510: Shutters are stuck open Reply To: GMC Sierra Code U1510: Shutters are stuck open Sponsored July 10, 2024 at 7:10 am #820978 Parts Man1Participant Cant answer the question unless you find the source of the problem 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