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 ↗2008 Buick Enclave airbags problems
severe 94 complaints filed with NHTSA · avg repair $1,100 · see airbags across all vehicles →
Failure mileage
Complaints
94
Recalls
0
Avg fix
$1,100
3crashes
5injuries
When does it fail?
Of the 94 airbags complaints filed for the 2008 Buick Enclave, 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
Owners have filed 94 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.
No new NHTSA airbags complaint has been filed on this vehicle in over 18 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.
This technical bulletin provides a procedure to complete a terminal replacement or connector re connection to correct a condition of Diagnostic Information for Supplemental Inflatable Restraint (SIR) System, Intermittent AIR BAG Indicator/Lamp Illuminated with DTC(s) B0012, B0013, B0015, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 or B0044 Set (Inspect and Replace Connector Position Assurance (CPA) Retainer)
full bulletin at NHTSA ↗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 ↗15536 - SPECIAL COVERAGE. CERTAIN 2008 2013 BUICK ENCLAVE, 2008-2013 GMC ACADIA, 2008-2010 SATURN OUTLOOK, AND 2009-2013 CHEVROLET TRAVERSE VEHICLES WERE RECALLED TO ADDRESS CORROSION AND/OR LOOSE CRIMPS IN THE DRIVER AND PASSENGER-SEAT MOUNTED SIDE-IMPACT AIRBAG (SIAB) WIRING-HARNESS CONNECTORS, WHICH COULD CAUSE AN INCREASE IN RESISTANCE THAT MAY DISABLE THE SIAB, FRONT-CENTER AIRBAG, IF EQUIPPED, AND SEAT-BELT PRETENSIONERS. GM HAS RECEIVED REPORTS THAT, IN SOME CASES, THE REQUIRED REPAIR MAY HAVE BEEN INCORRECTLY PERFORMED BY THE DEALER SERVICE TECHNICIAN. THE GM RECALL NUMBER WAS N14030 (GFPE NUMBER N-140030) NHTSA RECALL 14V118. DEALERS ARE TO REMOVE THE SECTION OF THE WIRE WITH THE
full bulletin at NHTSA ↗BUICK/GMC/SATURN/CHEVROLET: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. SOME VEHICLES ARE EXPERIENCING, ON DRIVER AND PASSENGER SEAT MOUNTED SIDE IMPACT AIRBAG (SIAB) WIRING HARNESS CONNECTORS, LOOSE OR CORRODED CRIMPS, THAT IS CAUSING RESISTANCE THAT CAN DISABLE FRONT CENTER AIRBAG AND SEAT BELT PRETENSIONERS. MODEL 2008-13 ENCLAVE, OUTLOOK, TRAVERSE, ACADIA.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2008 Buick Enclave shows a clear pattern of passenger airbag sensor malfunction. Owners consistently report the front passenger seat occupancy sensor failing to detect an adult occupant, leaving the airbag warning indicator off most or all of the time even with someone seated. The sensor requires a passenger to weigh around 100–125 pounds and sit in an exact position to register; lighter adults or those shifting position find the indicator stays off, raising serious questions about whether the airbag will deploy in a crash.
This isn't a small subset of cars. Dealership service managers told some owners they had three to four other Enclaves in the shop with identical complaints at the same time. The problem starts early—some owners report it at the test drive or within months of purchase—and persists for years. Multiple owners describe the same sensor failing repeatedly, sometimes within 1.5 years, even after dealer replacement under warranty.
General Motors has been aware of this design flaw. One dealer explicitly told an owner that GM confirmed a design error in the airbag system but had no repair available. A recall (14V118000) was issued for 2008–2013 model years, but owners report the recall work did not fix the problem and some VINs were not even included. Repair costs run $800–$1,200+ and require pulling the entire passenger seat; out-of-warranty owners are told the repair is their responsibility.
We also see documented cases where airbags failed to deploy in actual crashes, and in one case a parked vehicle's side airbags deployed without any impact event.
Same Buick Enclave airbags reports on nearby years: 2011
Failure modes owners describe
Passenger seat occupancy sensor intermittent or continuous failure
The front passenger seat occupancy sensor (also called passenger presence module, PPS module, or seat presence sensor) fails to reliably detect whether an adult occupant is seated, causing the airbag warning indicator to remain off when a passenger is present or to cycle intermittently on and off. Owners report the sensor fails to activate the 'on' indicator 50–80% of the time even with a passenger seated. Some owners report needing to sit in a specific exact position or weight range for the sensor to detect occupancy. The sensor reportedly fails repeatedly, sometimes multiple times under warranty and continuing after warranty expiration.
When: Failures reported as early as initial test drive or within months of purchase; others occur after years of ownership. Mileage range: some at low mileage (under 1,000 miles); others at 47,000–200,000 miles.
Symptoms owners cite: Passenger airbag 'off' indicator illuminated continuously or intermittently while passenger is seated; Airbag 'on' indicator fails to illuminate even when adult occupant in seat; Warning indicator cycles on and off randomly while driving with passenger; Indicator remains illuminated after passenger exits vehicle, sometimes for days or weeks; Requires specific passenger weight (reportedly minimum ~100–125 lbs) or exact seated position to activate
Codes mentioned: B0074 - Internal fault in passenger presence module, B0081 - Internal fault in passenger presence module
Repairs/costs cited: Dealers typically recommend replacement of the passenger presence module/sensor pad, reported costs $103–$1,200+. Some owners report sensor reprogramming by dealer at $103. Replacement often requires removal of entire passenger seat. Multiple owners report the same sensor failing again within 1–2 years even after replacement under warranty.
Recalls/TSBs owners mention: Recall 14V118000 (Air Bags) issued for 2008–2013 model years; however, multiple owners report the recall repair failed to resolve the issue or that their specific VIN was not included in the recall. GM initially blamed 'parameters set by federal law' for passenger weight thresholds; later acknowledged design error in airbag system but stated no repair was available. One bulletin mentioned corrosion in connector terminal pins at body main wiring harness connection.
Continuous 'service air bag' warning light
The 'service air bag' message or light illuminates continuously on the instrument panel and remains illuminated despite dealer visits. Dealers often clear diagnostic codes without identifying or fixing the underlying cause, and the light reappears. Some owners report the light came on after battery replacement or unrelated service.
When: Reported at various mileages and ages; some within warranty period, others at 108,000–149,000+ miles. In one case, light returned within days of dealer service.
Symptoms owners cite: Service air bag warning light illuminated continuously on dash; Warning light does not extinguish after vehicle restart; Light reappears repeatedly after dealer clears diagnostic code; Message appears intermittently while driving
Codes mentioned: Service air bag code (specific code not always documented)
Repairs/costs cited: Dealers often clear codes at no charge initially (during warranty). Out-of-warranty repairs reported at $400 for passenger seat presence module replacement. One owner paid for battery replacement when light appeared; light returned later. Some owners reported dealer unable to diagnose the cause and declined to charge for diagnosis if repair cost was unknown.
Recalls/TSBs owners mention: Some owners received pre-purchase notification letters stating this could occur and to bring vehicle to dealer. GM declined to provide repair estimates in advance. For out-of-warranty vehicles, GM stated no recall applied to the VIN and repair would be owner's cost.
Airbag failure to deploy in low-speed or moderate-speed crash
In at least two crash scenarios documented in narratives, airbags did not deploy when the vehicle struck an object at 20–45 mph. One incident involved a rear-end collision; another a head-on impact. In one case, a pregnant passenger sustained laceration requiring hospital treatment. Owners believe the chronic sensor failures contributed to deployment failure.
When: Reported at various mileages; one crash occurred at approximately 20 miles post-sale; another at 48,300 miles. One vehicle had history of recall repair before failure to deploy.
Symptoms owners cite: No airbag deployment on impact at 20–45 mph; Vehicle struck stationary object (telephone pole) and airbags remained inactive; Rear-end collision at traffic light; airbags inert; passenger injured
Codes mentioned: None documented; dealer unable to determine cause in some cases
Repairs/costs cited: In one case, dealer unable to determine why airbags failed to deploy. Vehicle was repaired but specific parts/costs not documented. In another case, vehicle was totaled by insurance.
Recalls/TSBs owners mention: No specific manufacturer response documented in narratives for deployment failures. One owner reported prior recall repair did not prevent later failure to deploy.
Airbag spontaneous or unintended deployment
Airbags deployed without collision or impact event. One narrative reports side airbags deployed while vehicle was driving at 35 mph; another reports side airbags deployed while parked with no known cause.
When: Reported at 66,400 miles and 130,000 miles.
Symptoms owners cite: Loud bang as side airbags deployed without warning while driving at ~35 mph; Side airbags deployed while parked with no collision; Passenger sustained laceration from unexpected deployment
Repairs/costs cited: Dealer unable to diagnose or repair cause of deployment in at least one case. Parts and costs not documented.
Recalls/TSBs owners mention: No manufacturer response documented in narratives.
Wiring harness corrosion or connector terminal wear
One bulletin mentioned by owner noted that vehicles may exhibit corrosion in connector terminal pins at the connection between the body main wiring harness and the front driver and passenger side impact airbag. Owner received service advisories warning of this potential issue.
When: Timing not specified in narrative; owner received bulletin warning of potential future corrosion.
Symptoms owners cite: Service air bag warning light illuminated (linked to harness corrosion)
Repairs/costs cited: One owner reported dealer replaced passenger seat presence module at $400 after discovering corrosion per bulletin, though the bulletin did not guarantee the replacement would solve the light issue.
Recalls/TSBs owners mention: GM issued a technical service bulletin notifying dealers of corrosion risk and recommending inspection/replacement of affected connectors.
Synthesized from 94 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 3 most recent
Tl*the contact owns a 2008 Buick enclave. The contact stated that the air bag light illuminated when an adult sat in the front passenger seat, which indicated that the passenger side airbag, would not activate. The vehicle has been repaired. The current and failure mileage was 3,500 miles.
The front passenger service airbag warning light comes on intermittently. The problem was traced to a faulty passenger presence system assembly. The cost of repair is estimated at about $650. I would deeply appreciate your investigating this matter. Thank you so much. *tr
Tl* the contact owns a 2008 Buick enclave. While driving approximately 20 MPH, the contact lost control and crashed head on into another vehicle. The air bags did not deploy. A police report was filed. The contact sustained injuries to the head, which required medical attention. The vehicle was towed to the contact's residence. The contact was not sure if the vehicle was destroyed. A local dealer…
Had airbags trouble with your 2008 Buick Enclave?
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 2008 Buick Enclave?
It's a meaningful issue. 94 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 61 complaints that reported odometer mileage, most airbags failures cluster between 53,203 and 123,000 miles, with the median around 86,000. A quarter of owners report trouble before 53,203; a quarter make it past 123,000. 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/2008/Buick/Enclave.
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.