campaign

NHTSA Recall 20V603000 — General Motors LLC

Official NHTSA recall 20V603000 covers 2 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 20V603000 was received on 2020-10-01 and is associated with 4 source rows covering 2 listed vehicle applications. The manufacturer shown in the record is General Motors LLC.

applications
2
campaign number
20V603000
potential units
14,620
manufacturer campaign number
N202300860

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 2018 Cadillac Escalade, Chevrolet Silverado 1500 and Tahoe, GMC Sierra 1500 and Yukon vehicles equipped with either a 5.3L or 6.2L V8 engine. The output of the mechanical vacuum pump can decrease over time, decreasing the amount of vacuum/power brake assist.

campaign number
20V603000
official record
NHTSA recall

safety

Safety consequence in the official record

A decrease in brake assist can increase the brake pedal effort and distance required to 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 reprogram the Electronic Brake Control Module, free of charge. The recall began November 11, 2020. Owners may contact GM customer service at 1-866-522-9559, Cadillac customer service at 1-800-458-8006 or Chevrolet customer service at 1-800-630-2438. GM's number for this recall is N202300860.

vin applicability required
Yes
dealer confirmation required
Yes

applicability

Vehicle applications listed for this campaign

The normalized NHTSA rows contain 2 applications across 1 makes and 2 model labels. This list describes campaign records, not confirmation that an individual VIN is open or unrepaired.

listed application count
2

components

  • SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

applications

  • 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