Power assist: vacuumRecall 19V-645 · Cadillac and Chevrolet vehicles
General Motors LLC recall 19V-645 covers 3,456,719 Cadillac and Chevrolet vehicles for a power assist: vacuum problem, reported to NHTSA on September 6, 2019. The manufacturer's latest report (2021 Q1) shows 75% of affected vehicles repaired.
Source: NHTSA recall 19V645000 and manufacturer quarterly reports. Started by an NHTSA defect investigation.
The 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.
The 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.
The fix
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.
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.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
75%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA. 21,474 vehicles were listed as unreachable.
Vehicles in this recall
Built from January 29, 2013 to September 1, 2017. Not every vehicle in these model years is included; check by VIN.
The investigation behind this recall
- Brake Vacuum Pump FailureNHTSA