A customer may complain of a rattle noise from the right side of the dash. The noise may be coming from the passenger side airbag.
full bulletin at NHTSA ↗2021 Mazda CX-30 airbags problems
severe 3 complaints filed with NHTSA · avg repair $1,100 · see airbags across all vehicles →
Complaints
3
Recalls
0
Avg fix
$1,100
2crashes
3injuries
When does it fail?
Of the 3 airbags complaints filed for the 2021 Mazda CX-30, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA airbags complaint has been filed on this vehicle in over 3 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering airbags on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
A customer may complain of a rattle noise from the right side of the dash. The noise may be coming from the passenger side airbag.
full bulletin at NHTSA ↗Some vehicles may exhibit that the air bag warning light turns on or repeats cycles of turning on and off with DTC B1126:13 and/or B1127:13 stored in memory. - B1126:13 - Driver-side side air bag module circuit open circuit or resistance high - B1127:13 - Passenger-side side air bag module circuit open circuit or resistance high This issue is caused by one or both of the following: - When the driver or passenger moves, a load is applied to the seat back and the load may cause displacement of the mating terminals in the side air bag module connector, resulting in insufficient contact and higher resistance. - The DTC detection level is too sensitive. To eliminate these concerns: - The design o
full bulletin at NHTSA ↗Some vehicles may exhibit that the air bag warning light turns on or repeats cycles of turning on and off with DTC B1126:13 and/or B1127:13 stored in memory. *B1126:13 - Driver-side side air bag module circuit open circuit or resistance high *B1127:13 - Passenger-side side air bag module circuit open circuit or resistance high This issue is caused by one or both of the following: *When the driver or passenger moves, a load is applied to the seat back and the load may cause displacement of the mating terminals in the side air bag module connector, resulting in insufficient contact and higher resistance. *The DTC detection level is too sensitive. To eliminate these concerns: *The design of the
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
The contact owned a 2021 Mazda CX30. The contact stated while making a left turn, another vehicle struck the middle of her vehicle causing server damage. The contact stated that none of the frontal air bags were deployed. The contact suffered severe injuries and she sought medical attention. The vehicle was declared a total loss. A police report was filed. The manufacturer was not contacted. The…
Had airbags trouble with your 2021 Mazda CX-30?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the airbags problem on the 2021 Mazda CX-30?
It's a meaningful issue. 3 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,100.
At what mileage does the airbags typically fail?
Based on the 3 complaints filed, airbags issues most often appear around 13,450 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $1,100 for airbags repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to airbags?
No active recalls currently cover airbags issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2021/Mazda/CX-30.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.