As Service Bulletin N242482170 describes, affected 2024 Chevy Traverse units were produced with a brake master cylinder that is missing the internal cartridge seal in the eBoost module.

“General Motors has decided that a defect which relates to motor vehicle safety may exist in certain 2021 – 2024 model year Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500 ...