campaign

NHTSA Recall 21V504000 — General Motors, LLC

Official NHTSA recall 21V504000 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 21V504000 was received on 2021-07-01 and is associated with 2 source rows covering 2 listed vehicle applications. The manufacturer shown in the record is General Motors, LLC.

applications
2
campaign number
21V504000
potential units
410,019
manufacturer campaign number
N202324251

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 2015-2016 GMC Sierra 1500, 2500, 3500, and Chevrolet Silverado 1500, 2500, and 3500 trucks. The roof-rail air bag (RRAB) inflator end cap may detach from the inflator, or the inflator sidewall may rupture.

campaign number
21V504000
official record
NHTSA recall

safety

Safety consequence in the official record

A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.

do not drive
No
park outside
No

repair options

Official remedy

Dealers will replace the left and right side RRAB modules, free of charge. Interim owner notification letters informing owners of the safety risk were mailed on August 18, 2021. Owners will receive a second notice when the remedy is available. Phase I owner notification letters were mailed on May 5, 2022. Phase II owner notification letters are expected to be mailed on May 31, 2022. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. This recall supersedes NHTSA recall number 20V-736. GM's number for this recall is N202324251.

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 1 model labels. This list describes campaign records, not confirmation that an individual VIN is open or unrepaired.

listed application count
2

components

  • AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR

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
2
vin check required
Yes
individual vehicle verified
No