A Duramax V8 diesel can easily last 250,000 miles, with many Duramax engines lasting to over 400,000 miles. The life of any engine is always totally dependent on how well it is maintained.

GM has issued a service bulletin for a DEF sensor problem fix for the 2020 to 2024 GMC Sierra 1500, GMC Sierra HD, and GMC Yukon involving module recalibration.

GM has issued a service bulletin about a fix now available for the 2020 through 2024 Chevy Silverado, Chevy Tahoe, and Chevy Suburban vehicles for a DEF sensor.