DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. IF YOU CONFIRM DTC B00A0-00 (OCCUPANT DETECTION SENSOR UNIT) is stored, AND OCS zero point reset cannot be performed, (continued on the next page)
full bulletin at NHTSA ↗2011 Nissan Leaf airbags problems
moderate 35 complaints filed with NHTSA · avg repair $1,100 · see airbags across all vehicles →
Failure mileage
Complaints
35
Recalls
0
Avg fix
$1,100
When does it fail?
Of the 35 airbags complaints filed for the 2011 Nissan Leaf, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 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
Of the 6 model years of Nissan Leaf we track for airbags problems, this one carries the most owner complaints on file — 35.
Airbags accounts for 37% of every owner complaint on file for this vehicle — the dominant problem area across 6 categories tracked.
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.
DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗DTC B00A0-00 STORED IF YOU CONFIRM DTC B00A0-00 (OCCUPANT DETECTION SENSOR UNIT) is stored And OCS zero point reset cannot be performed (continued on the next page) And The following screen displays: ACTION 1. Check the Occupant Classification System (OCS) control unit using the ODS Analysis tool software. ï· Refer to SERVICE PROCEDURE on page 5. HINT: âOCSâ may also be referred to as âODSâ. 2. Perform â75-zero RESETâ.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2011 Nissan Leaf has a chronic occupant classification system (OCS) sensor failure in the passenger seat. The sensor triggers fault code B1018, causing the airbag warning light to flash red continuously. When it fails, the vehicle disables the passenger airbag—and according to multiple dealer diagnoses, all airbags go offline. The sensor is embedded in the seat cushion and cannot be replaced alone; Nissan requires a full passenger seat assembly replacement at a cost of $2,400 to $5,000 plus labor.
Owners report the sensor fails randomly across a wide mileage range, from under 6,000 miles to 78,000 miles, with no relation to accident, damage, or normal wear. The warning code can be temporarily reset but reappears within days or 5–20 miles of driving. Nissan's response is denial: the company points to warranty expiration and refuses goodwill repair, while citing that the sensor is now discontinued.
The frustration centers on inequity. Nissan issued a recall for 2013–2016 Leaf models for the same defect under campaign 16V244000, explicitly excluding 2011–2012 model years. Multiple owners and dealers confirm this is a well-known, widespread issue on the forum community. Without a recall or affordable repair path, owners face the choice of driving without functioning airbags or paying repair costs that exceed the vehicle's market value.
Same Nissan Leaf airbags reports on nearby years: 2012 · 2013
Failure modes owners describe
Occupant Classification System (OCS) Sensor Failure
The passenger seat occupancy sensor fails, triggering fault code B1018 (Air Bag Occupant Sensor Unit Fail). The sensor is designed into the seat cushion and cannot be replaced separately; Nissan requires replacement of the entire passenger seat assembly. When the sensor fails, the airbag warning light illuminates and flashes continuously, and the vehicle disables the passenger airbag—and in many cases, all airbags—regardless of whether an adult is seated in the passenger position. The code can sometimes be temporarily reset but returns within days to 20 miles of driving.
When: Failures reported across a wide mileage range: 5,271 miles to 78,000 miles. Some occur shortly after vehicle startup; others appear during normal driving. No correlation to accident, damage, or normal wear cited by owners.
Symptoms owners cite: Airbag warning light illuminates and flashes red continuously; Dashboard message displays 'Passenger Airbag Off' or similar warning; Airbag Off indicator lamp illuminated; Passenger airbag disabled despite occupant in seat; All airbags disabled when sensor fails (reported by dealer in multiple cases); Code returns after clearing within 5-20 miles or days
Codes mentioned: B1018, B1013
Repairs/costs cited: Dealers quote $2,400–$5,000 to replace entire passenger seat assembly including cushion and sensor. Labor ranges $300–$588. One complaint mentions seat bottom was already replaced in 2016 but sensor failed again. Nissan reports sensor is a discontinued part with no standalone replacement available. One owner reports a case opened with Nissan where repair was completed (complaint #7), but most owners report denial of goodwill assistance and refusal to cover out-of-warranty repair.
Recalls/TSBs owners mention: 2013–2016 (some sources say 2013–2018) Nissan Leaf recalled for same or similar OCS issue under NHTSA Campaign 16V244000. 2011–2012 model years explicitly excluded from recall. Nissan Customer Affairs denies coverage citing warranty expiration. One dealer suggested loose connector or wiring harness (complaint #2) but majority consensus points to sensor itself. Nissan has made no official statement regarding 2011 models in the narratives.
Synthesized from 35 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 9 most recent
Airbag light flashing. Passenger air bags are disabled. Dealer fix is a need a new passenger seat at a cost of $3,000+. Current fault code is b1018. Occupant sensor unit fail. Seat is perfect and no one sits on it - it just stopped working. This is a known iissue
Passenger air bag has shut off. Dealer ran a diagnostic test and said I need a new passenger seat at a cost of $3,182. Current fault code is b1018.
So, apparently the 2012 - 2014 Nissan leaf had an issue with the passenger airbag sensor and is covered by recall, but not the first year models, 2011. Is this to assume that the sensor is different from the first to these subsequent years.
The airbag warning light and danger symbol began flashing recently. Took the car to the dealership and they said the airbag sensor in the seat failed and needed to be replaced and the airbags would not function until the repair was completed. This vehicle has under 60,000 miles on it and the repair part costs nearly $3000 which is above the kbb value of the vehicle. There was no incident to…
Occupant sensor failure is preventing the passenger air bag from deploying. The code is reported as a b1013. As this model was designed with a sensor within the seat, the official action is to replace the entire seat, for an estimate of $3133.51. This is highly cost prohibitive for a safety feature that should not prevent an air bag deployment.
Illuminated airbag warning lights for front passenger seats, diagnosed by Nissan dealer as a failed sensor. Was told the whole front passenger side seat bottom would need to be replaed (estimate $3,185.61). Also told that the failure of this sensor meant that all airbags were deactivated.
2011 Nissan leaf has code b1018 occupant sens(unit fail) following a cup of water spilled on front seat. Vehicle was stationary at time. Only proposed remedy is to replace front seat and sensor for ~$2,624. 2013-2016 leaf were recalled NHTSA campaign number 16v244000; please expand recall to 2011 & 2012 Nissan leaf.
The air bag sensor unit failed. The car only has 5271 miles on it and it was stored in a warm garage since 2011. This failure isn't due to use so it must be a manufacturing defect.
Passenger seat airbag on/off switch sensor needs replacement according to Nissan dealer. Passenger airbag "off" light is flashing even with 125 pound passenger in seat. Nissan couldn't tell me whether or not passenger airbag was really on or off. Quoted $2400 to replace the passenger seat airbag switch and seat assembly because is no longer under warranty according to Nissan. This appears…
Had airbags trouble with your 2011 Nissan Leaf?
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 2011 Nissan Leaf?
It's a documented issue but not catastrophic. 35 complaints have been filed. Repairs average $1,100 and most owners catch it before it causes a breakdown.
At what mileage does the airbags typically fail?
Across the 20 complaints that reported odometer mileage, most airbags failures cluster between 49,000 and 78,300 miles, with the median around 59,400. A quarter of owners report trouble before 49,000; a quarter make it past 78,300. 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/2011/Nissan/Leaf.
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.