Skip to content
Seat beltsPart report

2021 GMC Sierra 1500 Seat belts Problems

Complaints
3about this part
Share
1%of 599 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the seat belts of the 2021 GMC Sierra 1500, 1% of the 599 complaints for this model year. 2 recall campaigns on record are filed under a similar system.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I get a Service Safety Restraint System warning sporadically when driving. No known cause and the vehicle has never been in an accident. This started happening after my last service at Capital Buick GMC in Smyrna, GA on January 6th, 2023.”

NHTSA complaint #11502347, filed 2023-01

“Airbag light and Service Safety Restraint System keep flashing on and off intermittently. Sometimes every 5 seconds. Sometimes once or twice a day. This is a known issue with 2021 GM trucks and SUVs. Trying to get vehicle in for service but dealer said they are booked 2 weeks out and won't given loaner vehicles at all anymore. The vehicle has less than 2000 miles on it.”

NHTSA complaint #11421300, filed 2021-06

Related recalls

Seat belts: other model years

YearComplaintsShare of year
202410%
202310%
202131%
202020%
201941%
201852%
201710%
201621%
2015162%
2014193%
201322%
201222%
201141%
201021%
200910%
2008133%
200783%
200511%
200410%
200321%
200221%
200111%
200011%
199932%
199812%
199745%

Other parts of the 2021 GMC Sierra 1500

Engine
323 complaints
Transmission and drivetrain
145 complaints
Electrical system
76 complaints
Engine cooling
49 complaints
Other or unknown
46 complaints
Fuel system
42 complaints
Steering
34 complaints
Brakes
25 complaints
Body and structure
13 complaints
Latches, locks and linkages
10 complaints
Suspension
10 complaints
Lane departure
8 complaints

← All problems reported for the 2021 GMC Sierra 1500

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology