The contact owns a 2016 Chevrolet Suburban. The contact stated while reversing at approximately 2 MPH and attempting to depress the brake pedal, the brake pedal was very difficult to depress. The contact stated that extra effort was needed to depress the brake pedal before the vehicle stopped. The contact stated no warning light was illuminated. The contact stated that he shifted into park(P) and turned off and restarted the vehicle and normal brake functionality was restored. The contact had not taken the vehicle to a local dealer or independent mechanic. The vehicle was not diagnosed or repaired. The manufacturer was not informed of the failure. The contact researched online and related the failure to NHTSA Campaign Number: 19V645000 (Service Brakes, Hydraulic). The failure mileage was 109,260.

- Alpharetta, GA, USA

The contact owns a?2016 Chevrolet Suburban. The vehicle had previously been serviced under NHTSA Campaign Numbers: 19V761000 (Service Brakes, Hydraulic, Service Brakes, Electronic Stability Control) and 19V645000 (Service Brakes, Hydraulic) at the dealer; however, the failure recurred after the recalls were repaired with a stiff brake pedal and increased braking effort while driving. The contact stated that while his wife was driving at an undisclosed speed, the vehicle went over a curve and the front passenger's side crashed into a tree, then came to a complete stop in a ditch. There were no air bags deployed. The contact's wife sustained neck and back injuries but did not receive medical attention. The vehicle was towed to Coughlin Hyundai (2300 Hebron Rd, Heath, OH 43056) where it remained and was not repaired. The vehicle was not deemed totaled by the insurance company. The manufacturer was made aware of the failure and a case was opened. Prior to the failure, the contact was receiving notifications from OnStar that NHTSA Campaign Number: 19V761000 (Service Brakes, Hydraulic, Service Brakes, Electronic Stability Control) was unrepaired. The failure mileage was 111,572.

- Pataskala, OH, USA

The contact owns a 2016 Chevrolet Suburban. The contact stated that the vehicle was previously repaired under NHTSA Campaign Number: 19V645000 (Service Brakes, Hydraulic) in 2019. The contact stated that while driving approximately 10-25 MPH, the brake pedal was depressed but failed to respond. There were no warning lights illuminated. The contact continued to depress the brake pedal, which responded just before the vehicle crashed into the rear of another vehicle. The contact veered to the side of the road and parked the vehicle. The vehicle was towed to the dealer where it was diagnosed that the vacuum pump and belt needed to be replaced. The vehicle was repaired under an unknown warranty. The manufacturer was notified of the failure and informed the contact that they could not assist because the VIN was not included in a recall. The failure mileage was approximately 72,779.

- Huntington Beach, CA, USA