11,000 miles on 2024 Denali Duramax dually. It's already been to the shop twice. Recalls, DEF system failure.
Ran a 400 mile round trip in michigan today. At 325 miles into the trip the instrument cluster posted TC, serivlce engine, anti lock, check trailer wiring, no cruise. The trailer wiring display on the flat panel displayed no issues.
Too much tech, not enough reliability.
Time to sell it and avoid the poorly engineered product.