Transport CanadaHigh Risk
2014 GMC SIERRATransport Canada Recall #2019324
The official notice
Defect
On certain vehicles, there could be a reduction in power brake assist due to a decrease in output from the vacuum pump. This could cause a hard brake pedal and an increase in brake pedal effort to stop the vehicle.
Safety Risk
A sudden increase in brake pedal force could lead to an increase in stopping distance. This could increase the risk of a crash.
Remedy
The company will notify owners by mail and instruct them to take their vehicle to a dealer to reprogram the electronic brake control module.
310,121 vehicles affectedMfr ref: N192217410Updated June 10, 2026