2015 GMC Yukon Denali XL defect investigations

Investigations by NHTSA’s Office of Defects Investigation that name the 2015 GMC Yukon Denali XL. An investigation is how complaints can become a recall: complaints → investigation → (sometimes) TSB → recall.

• Brake Vacuum Pump Failure
  Preliminary Evaluation PE18012 · opened Nov 20, 2018 · closed Apr 10, 2022 · led to recall 19V645000

  On November 20, 2018, the Office of Defects Investigations (ODI) opened PE18-012 to investigate instances of sudden onset of a hard brake pedal that could result in extended stopping distance due to an issue with the brake assist vacuum pump in model year (MY) 2014 through 2016 GMC Sierra 1500 and Chevrolet Silverado 1…