This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
full bulletin at NHTSA ↗2012 Chevrolet Sonic airbags problems
severe 25 complaints filed with NHTSA · avg repair $1,100 · see airbags across all vehicles →
Failure mileage
Complaints
25
Recalls
0
Avg fix
$1,100
14crashes
8injuries
What stands out
Of the 6 model years of Chevrolet Sonic we track for airbags problems, this one carries the most owner complaints on file — 25.
Owners have filed 25 airbags complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
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.
This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices
full bulletin at NHTSA ↗SUMMARY TO BE PROVIDED ON A FUTURE DATE.
full bulletin at NHTSA ↗Intermittent Airbag Warning Light Illuminated ? Replace Steering Wheel Airbag Coil
full bulletin at NHTSA ↗SUMMARY TO BE PROVIDED ON A FUTURE DATE.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of the 2012 Chevrolet Sonic report two distinct categories of airbag failure: deployment failures during crashes, and sensor/warning light malfunctions.
Deployment failures: Owners describe multiple collision scenarios—front-end impacts, side strikes, rear-end collisions, and low-speed accidents—where airbags did not deploy despite impact severity that would normally trigger them. One owner hit a deer at 55 mph; another collided at 25 mph in a T-bone; a third experienced a full-frontal wreck but no airbags deployed. In several crash cases, owners sustained injuries including head trauma, concussions, back and knee injuries that they attribute to lack of airbag protection. One owner reported the opposite problem: airbags deployed at very low speed (2–3 mph) while the vehicle was stationary after a minor driveway contact, causing facial and arm injuries. Owners note that some vehicles experienced multiple collision events with consistent non-deployment.
Sensor and warning light issues: Owners report the airbag warning light illuminating on the dashboard, sometimes intermittently and sometimes continuously. Dealers diagnosed faulty airbag sensors and airbag control modules requiring replacement at $500–$750. One owner was told the front passenger airbag sensor needed replacement; another experienced the passenger-side "off" light illuminating incorrectly when an adult (145 lbs) occupied that seat. Owners express frustration that dealerships indicate airbags may not deploy if these sensor faults go unrepaired, yet the vehicles were not covered by airbag recalls or warranty service.
Same Chevrolet Sonic airbags reports on nearby years: 2013 · 2014 · 2015
Failure modes owners describe
Airbag non-deployment in front-end collisions
Airbags fail to deploy during front-end/head-on impacts. Owners report full-frontal wrecks, vehicle-to-vehicle collisions with high-speed impact, and striking stationary objects, yet no airbags or only partial airbag deployment occurred despite obvious impact severity.
When: During collisions ranging from low-speed (hitting fence/object) to high-speed (50+ mph vehicle-to-vehicle impact); one instance at 55 mph (deer strike)
Symptoms owners cite: No airbag deployment during full-frontal collision; No driver-side or passenger-side airbags deployed; No head, side, or front airbags deployed on impact; Owner struck head on steering wheel during collision
Repairs/costs cited: One owner had nearly entire front end replaced (grill, front panel, quarter panels, radiator, suspension); vehicle declared total loss by insurance in multiple cases
Recalls/TSBs owners mention: Dealer stated design and/or manufacturing flaws; one owner noted vehicle had recall campaigns (12V52200, 13V023000, 14V315000, 14V317000, 11V599000, 12V408000) that did not come up under their VIN; vehicle not included in NHTSA campaign 14V300000
Airbag non-deployment in side-impact collisions
Airbags fail to deploy during side-impact T-bone accidents and side-swipe collisions. Owners describe being struck on the driver side or passenger side, with vehicles pushed across lanes and sustaining major damage, yet no airbags deployed.
When: T-bone intersection collisions and side-swipe at 45 mph
Symptoms owners cite: No driver-side or passenger-side airbags deployed during T-bone impact; No side airbags deployed during side-swipe at 45 mph; Vehicle totaled; owner injuries sustained (head, back injuries)
Repairs/costs cited: Vehicle declared total loss; one owner hit door was struck and suffered concussion, then lost control in secondary accident where airbags again did not deploy
Airbag non-deployment in rear-end collisions
Airbags fail to deploy when vehicle is rear-ended. Owners report forceful rear-end impacts that pushed the vehicle into the vehicle ahead, yet airbags did not deploy to protect occupants.
When: Rear-end collision at highway speeds after traffic stop situation
Symptoms owners cite: Airbag did not deploy when rear-ended; Vehicle shoved into vehicle in front; crunched at both ends; Seatbelt did not engage during same incident
Repairs/costs cited: Owner injured; one instance noted seatbelt also failed to engage
Unintended airbag deployment at low speed
Airbag deployed during a very low-speed contact (2–3 mph driveway backup into object) while vehicle was still stationary, injuring the occupant without high-impact collision trigger.
When: Low-speed driveway contact (2–3 mph)
Symptoms owners cite: Airbag deployed while reversing at 2–3 mph and vehicle was still/stationary; Owner injured (mouth, chin, arms); minor bruising to body; Deployment produced odor and substance from airbags; Medical treatment required
Repairs/costs cited: Insurance company declared vehicle destroyed; no dealer diagnosis of cause; EDR data reviewed by manufacturer showed no fault with EDR box
Recalls/TSBs owners mention: Manufacturer indicated no fault with EDR box; vehicle not included in airbag recall
Airbag warning light illumination and sensor faults
Airbag warning light on instrument panel illuminates continuously or intermittently. Dealers diagnose faulty airbag sensors or control modules. Owners report being told airbags may not deploy if faults are unrepaired, but are not covered under warranty or recall.
When: Starting at 1,000–105,000 miles; one instance started June 2016; another intermittent at 27,000 miles
Symptoms owners cite: Airbag warning light stays on continuously; Airbag warning light flashes on and off intermittently; Airbag readiness light flashed on/off for few weeks, then continuously on; Passenger-side airbag 'off' light illuminates when passenger occupied seat (even 145 lb adult); Airbag sensor light flashes when passenger in seat
Codes mentioned: Airbag module will not update
Repairs/costs cited: Dealer diagnosed faulty airbag sensor requiring replacement ($500); airbag control module replacement ($750); dealer made warning light go off without fixing underlying issue (one case); another owner had computer diagnostic run
Recalls/TSBs owners mention: Dealer stated vehicle not included in airbag recalls (e.g., not in NHTSA campaign 14V300000); GM customer service told owner no recalls on model; one vehicle had multiple recall campaigns that did not appear under owner's VIN
Passenger-side airbag sensor malfunction
Front passenger-side airbag sensor fails to correctly sense occupancy. The passenger-side airbag 'off' indicator illuminates even when an adult is seated in the seat, or the airbag sensor light flashes intermittently.
When: Intermittent behavior; one owner reported issue persisting over approximately one year; failures noted at 27,000 and 105,000 miles
Symptoms owners cite: Passenger seat not sensing occupants; Passenger-side airbag 'off' light illuminates with 145 lb adult occupant; Passenger-side airbag 'off' indicator illuminates sporadically/intermittently; Airbag sensor light flashes on and off when passenger in seat
Repairs/costs cited: One owner was told sensor needed replacement; another dealer stated vehicle operating as designed
Recalls/TSBs owners mention: Manufacturer notified in some cases; one dealer stated vehicle operating as designed; vehicles not included in applicable recalls
Synthesized from 25 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Had airbags trouble with your 2012 Chevrolet Sonic?
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 2012 Chevrolet Sonic?
It's a meaningful issue. 25 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?
Across the 18 complaints that reported odometer mileage, most airbags failures cluster between 30,000 and 93,000 miles, with the median around 68,000. A quarter of owners report trouble before 30,000; a quarter make it past 93,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
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/2012/Chevrolet/Sonic.
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.