Vehicles Affected: Approximately 3.5 million model-year 2015-17 Cadillac Escalade SUVs; model-year 2014-18 Chevrolet Silverado 1500 pickup trucks, Silverado 2500/3500 heavy-duty pickups, GMC Sierra 1500 pickups and Sierra 2500/3500 HD pickups; and model-year 2015-18 Chevrolet Suburban and Tahoe and GMC Yukon SUVs
The Problem: The amount of vacuum created by the vacuum pump may decrease over time, weakening brake assist and increasing braking effort. This extends the distance required to stop the vehicle, increasing the risk of a crash.
The Fix: Dealers will reprogram the electronic brake control module for free.
What Owners Should Do: Cadillac, Chevrolet and GMC manufacturer GM did not immediately announce an owner-notification schedule. Owners can call Cadillac at 800-458-8006, Chevrolet at 800-630-2438, GMC at 800-462-8782, the National Highway Traffic Safety Administration’s vehicle-safety hotline at 888-327-4236 or visit its website to check their vehicle identification number and learn more.
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