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Chevrolet Silverado 1500 Recall 19V645: Reduced brake assist can lengthen stopping distance

NHTSA campaign 19V645, reported September 6, 2019, 3,456,719 vehicles potentially affected.

What this recall means for you

Over time, the vacuum pump that supplies brake assist may produce less vacuum than it should. As the vacuum level drops, the power assist from the brakes decreases, so the driver has to press the pedal harder to stop. That increases the distance needed to bring the vehicle to a stop and raises the risk of a crash.

General Motors will notify owners of affected vehicles. Dealers will reprogram the Electronic Brake Control Module at no charge to the owner.

To check whether your vehicle is included, look up your VIN for open recalls. You can also contact Chevrolet customer service at 1-800-630-2438, Cadillac at 1-800-458-8006, or GMC at 1-800-462-8782.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 19V645General Motors LLC
Component
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
Problem
General Motors LLC (GM) is recalling certain 2015-2017 Cadillac Escalade, 2014-2018 Chevrolet Silverado, GMC Sierra, 2015-2018 Chevrolet Suburban, Tahoe, GMC Yukon vehicles. The amount of vacuum created by the vacuum pump may decrease over time.
Risk
As the vacuum level drops, the brake assist decreases, increasing braking effort, extending the distance required to stop the vehicle, thereby increasing the risk of a crash.
Remedy
GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began October 8, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782. GM's number for this recall is N192268490.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Affected vehicles

Cadillac Escalade201520162017
Chevrolet Silverado 150020142015201620172018
Chevrolet Suburban2015201620172018
Chevrolet Tahoe2015201620172018
GMC Sierra 150020142015201620172018
GMC Yukon2015201620172018