NHTSA campaign 19V645000 · Manufacturer campaign N192268490

General Motors LLC Recall 19V-645: Vacuum Pump May Decrease Power Brake Assist

  • Recall influenced by NHTSA's Office of Defects Investigation

NHTSA recall 19V645000 (Manufacturer campaign N192268490) was reported by General Motors LLC on September 6, 2019, with 3,456,719 vehicles potentially affected (per NHTSA). NHTSA's record lists the Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Suburban and more for model years 2014–2018. Owners were notified on October 8, 2019, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 19V645000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Free VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign
19V645000 (also written 19V-645 or 19V645)
Filed by
General Motors LLC
Manufacturer campaign number
N192268490
Report received
Potentially affected
3,456,719 vehicles (per NHTSA)
Component
Service Brakes, Hydraulic — Power Assist — Vacuum
Owners notified

Repair completion: 74.89% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)

NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 19V645000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

Cadillac

  • Cadillac Escalade

    • 2015, 2016, 2017 · Vehicles built December 3, 2013 – August 19, 2017 (per NHTSA)
All Cadillac recalls

Chevrolet

  • Chevrolet Silverado 1500

  • Chevrolet Suburban

    • 2015, 2016, 2017, 2018 · Vehicles built April 16, 2013 – September 1, 2017 (per NHTSA)
  • Chevrolet Tahoe

    • 2015, 2016, 2017, 2018 · Vehicles built September 19, 2013 – August 1, 2017 (per NHTSA)
All Chevrolet recalls

GMC

  • GMC Sierra 1500

  • GMC Yukon

    • 2015, 2016, 2017, 2018 · Vehicles built September 19, 2013 – August 30, 2017 (per NHTSA)
All GMC recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 19V645000.

Defect description

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.

Safety consequence

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.

Manufacturer 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.

Sources

Official NHTSA notice for recall 19V645000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.