NHTSA Complaint #11486223 — 2016 CHEVROLET SILVERADO 1500

On 09/22/2022, the power assist for the brakes suddenly and without warning failed during slow forward and reverse maneuvering in a parking lot, resulting in an increase in brake pedal pressure and travel to slow and stop the vehicle. Contact with a proximate vehicle was narrowly avoided. A service brakes message appeared in the central information panel between the tachometer and speedometer. Turning off the ignition and then turning the ignition switch back to start the vehicle extinguished the service brake message, and power assist for the brakes returned to nominal function. This occurrence is a safety of driving concern because of its sudden onset without warning and the need to immediately compensate with the application of significantly increased brake pedal pressure to slow and stop the vehicle. A corresponding increase in braking distance was not measured but was distinctly noticed.