Recall 20V-588: 2020–2021 Buick Encore GX, 2020 Cadillac CT4 and 4 more

General Motors LLC recall for service brakes, reported to NHTSA on Sep 24, 2020, covering about 3,677 vehicles.

NHTSA number
20V-588
Report date
Sep 24, 2020
Vehicles affected
3,677
Owners notified
Dec 9, 2020

The problem

General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.

The risk

If communication with the sensor is interrupted, the electronic brake boost assist could be lost. Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash.

The fix

GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is A202307260.

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.

Recall details

ManufacturerGeneral Motors LLC
ComponentService Brakes
Recall started bythe manufacturer
NHTSA campaign number20V588000

Vehicles in this recall

VehicleModel years
Buick Encore GX2020, 2021All years
Cadillac CT42020All years
Cadillac CT52020All years
Cadillac XT42020All years
Chevrolet Corvette2020All years
Chevrolet Trailblazer2021All years

Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.

Frequently asked questions

What is recall 20V-588?

General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.

How is recall 20V-588 fixed?

GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is A202307260.

Is the recall repair free?

Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.