campaign

NHTSA Recall 20V588000 — General Motors LLC

Official NHTSA recall 20V588000 covers 4 vehicle applications. Review the reported defect, safety consequence, remedy, and VIN-check next step.

Official identifiers and sources shown at claim level Data refreshed 8/28/2026

answer

What this official recall record says

NHTSA campaign 20V588000 was received on 2020-09-24 and is associated with 4 source rows covering 4 listed vehicle applications. The manufacturer shown in the record is General Motors LLC.

applications
4
campaign number
20V588000
potential units
3,677
manufacturer campaign number
A202307260

SOURCES

safety

What the owner should do next

Check the VIN in the official recall lookup. If the campaign applies, contact an authorized dealer about the remedy; recall remedies are normally handled through the manufacturer program. If warning signs or unsafe operation are present, stop driving and arrange safe transport.

do not drive
No
park outside
No
vin check required
Yes
recommended channel
dealer

SOURCES

causes

Defect described in the recall record

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.

campaign number
20V588000
official record
NHTSA recall

safety

Safety consequence in the official record

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.

do not drive
No
park outside
No

repair options

Official remedy

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.

vin applicability required
Yes
dealer confirmation required
Yes

applicability

Vehicle applications listed for this campaign

The normalized NHTSA rows contain 4 applications across 2 makes and 4 model labels. This list describes campaign records, not confirmation that an individual VIN is open or unrepaired.

listed application count
4

components

  • SERVICE BRAKES

applications

  • CADILLAC
  • CADILLAC
  • CHEVROLET
  • CHEVROLET

SOURCES

methodology

Limits of this database record

Campaign applicability and remedy completion are VIN-specific and can change. This page summarizes the official campaign record; it does not inspect the vehicle, determine whether a symptom is caused by the recalled defect, or replace current instructions from NHTSA or the manufacturer.

source rows
4
vin check required
Yes
individual vehicle verified
No