NHTSA Complaint #11612835 — 2011 JEEP GRAND CHEROKEE

The contact owns a 2011 Jeep Grand Cherokee. The contact stated while driving at an undisclosed speed, the brake pedal was depressed, and the contact heard a loud hissing sound. There was no warning light illuminated. The vehicle was able to be restarted; however, the failure recurred. The vehicle was taken to an independent mechanic where it was diagnosed and determined that the brake booster had failed and needed to be replaced. The vehicle was not repaired. The dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 170,000.