WARRANTY BULLETIN: WTY002 (REVISION #1) - 2006~2010MY OPTIMA PASSENGER SEAT OCS SENSOR MAT WARRANTY EXTENSION (WTY002) - THIS BULLETIN PROVIDES INFORMATION RELATED TO THE REPLACEMENT OF THE FRONT PASSENGER OCCUPANT CLASSIFICATION SYSTEM (OCS) SENSOR MAT IN 2006 ~ 2010 MY OPTIMA (MG) VEHICLES. IF THE SENSOR MAT IS NOT WORKING PROPERLY, THE AIRBAG WARNING LIGHT ON THE CLUSTER WILL ILLUMINATE AND DTC(S) B1447, B1448, B1449 AND/OR B1450 MAY BE STORED. IF THE AIRBAG WARNING LIGHT IS ILLUMINATED AND ONE OR MORE THE ABOVE DTCS ARE STORED, FOLLOW THE REPAIR PROCEDURE OUTLINED IN THIS BULLETIN TO REPLACE THE OCS MAT. KIA IS EXTENDING THE WARRANTY FOR THE OCS SENSOR MAT FOR THE AFFECTED VEHICLES TO 15
full bulletin at NHTSA ↗2006 Kia Optima airbags problems
severe 39 complaints filed with NHTSA · avg repair $1,100 · see airbags across all vehicles →
Failure mileage
Complaints
39
Recalls
0
Avg fix
$1,100
1crash
2injuries
When does it fail?
Of the 39 airbags complaints filed for the 2006 Kia Optima, 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 39 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.
Airbags accounts for 25% of all owner complaints filed against this vehicle, across 11 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.
OWNER LETTER: WTY002 OPTIMA - DEAR KIA OPTIMA OWNER: KIA MOTORS AMERICAS HIGHEST COMMITMENT IS TO YOUR SAFETY. TO THAT END, KIA IS EXTENDING THE WARRANTY COVERAGE FOR THE FRONT PASSENGER OCCUPANT CLASSIFICATION SYSTEM (OCS) SENSOR MAT TO 15 YEARS WITH UNLIMITED MILEAGE, STARTING FROM THE DATE OF FIRST SERVICE. THIS WARRANTY EXTENSION ADDRESSES FAILURES OF THE OCS SENSOR MAT AS REPORTED BY SOME VEHICLE OWNERS. THE SENSOR MAT IS INTENDED TO DETECT CHILD SEATS AND SMALL STATURE OCCUPANTS WHO COULD BE HARMED BY DEPLOYMENT OF THE PASSENGER FRONTAL AIR BAG. IF THE SENSOR MAT IS NOT WORKING PROPERLY, THE OCS WILL NOT SUPPRESS THE AIR BAG. ACCORDINGLY, IF A CRASH OF SUFFICIENT SEVERITY OCCURS, THE
full bulletin at NHTSA ↗"WARRANTY BULLETIN: WTY002 - 2006~2008MY OPTIMA PASSENGER SEAT OCS SENSOR MAT WARRANTY EXTENSION (WTY002) - THIS BULLETIN PROVIDES INFORMATION RELATED TO THE REPLACEMENT OF THE FRONT PASSENGER OCCUPANT CLASSIFICATION SYSTEM (OCS) SENSOR MAT IN 2006 ~ 2008 MY OPTIMA (MG) VEHICLES. IF THE SENSOR MAT IS NOT WORKING PROPERLY, THE AIRBAG WARNING LIGHT ON THE CLUSTER WILL ILLUMINATE AND DTC(S) B1447, B1448, B1449 AND/OR B1450 MAY BE STORED. IF THE AIRBAG WARNING LIGHT IS ILLUMINATED AND ONE OR MORE THE ABOVE DTCS ARE STORED, FOLLOW THE REPAIR PROCEDURE OUTLINED IN THIS BULLETIN TO REPLACE THE OCS MAT. KIA IS EXTENDING THE WARRANTY FOR THE OCS SENSOR MAT FOR THE AFFECTED VEHICLES TO 15 YEARS / UNLI
full bulletin at NHTSA ↗TSB: FRONT PASSENGER OCS SENSOR MAT DIAGNOSIS AND REPLACEMENT - THIS BULLETIN PROVIDES INFORMATION RELATED TO THE REPLACEMENT OF THE FRONT PASSENGER OCCUPANT CLASSIFICATION SYSTEM (OCS) SENSOR MAT IN 2006 ~ 2008 MY OPTIMA (MG) VEHICLES. IF THE SENSOR MAT IS NOT WORKING PROPERLY, THE AIRBAG WARNING LIGHT ON THE CLUSTER WILL ILLUMINATE AND DTC(S) B1447, B1448, B1449 AND/OR B1450 MAY BE STORED. IF THE AIRBAG WARNING LIGHT IS ILLUMINATED AND ONE OR MORE OF THE ABOVE DTCS ARE STORED, FOLLOW THE REPAIR PROCEDURE OUTLINED IN THIS BULLETIN TO REPLACE THE OCS MAT.
full bulletin at NHTSA ↗DEALER PRINCIPAL MEMO: WTY002 - 2008~2011MY RIO PASSENGER SEAT OCS SENSOR MAT WARRANTY EXTENSION (WTY002) - KIA MOTORS AMERICA, INC. IS EXTENDING THE WARRANTY COVERAGE FOR THE FRONT PASSENGER OCCUPANT CLASSIFICATION SYSTEM (OCS) SENSOR MAT FOR CERTAIN 2008-2011 MY RIO VEHICLES PRODUCED AFTER DECEMBER 8, 2007 AND ALL 2006-2010 MY OPTIMA VEHICLES TO 15 YEARS/UNLIMITED MILEAGE, STARTING FROM THE DATE OF FIRST SERVICE. THE WARRANTY EXTENSION WILL ADDRESS FAILURES OF THE OCS SENSOR MAT AS REPORTED BY SOME VEHICLE OWNERS.
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 2006 Kia Optima consistently report two main airbag failures. First, the passenger-seat occupant sensor malfunctions: the "Passenger Airbag Off" light stays illuminated even when an adult is seated, or stays off when the seat is empty. One owner documented nine instances of the warning light changing state in two days; dealers acknowledge a 50% failure rate in some cases. The problem occurs across passenger weights, though it's most common with passengers under 130 lbs. Temporary fixes—bouncing on the seat or resetting the computer—work briefly, then the light misbehaves again.
Second, the driver-side airbag warning light comes on and won't turn off, appearing either intermittently while driving or continuously. Dealers have replaced airbag modules, clock-spring assemblies, wiring harnesses, and seat components, yet the light often returns. One owner underwent five separate service visits with repeated module replacement but the light kept reappearing.
Most concerning: one owner's airbag failed to deploy in a three-vehicle frontal crash at 46,000 miles, causing injury. Another reported unexpected deployment at 10 mph that caused severe facial swelling and totaled the vehicle. Many owners are denied coverage because their VINs fall outside the narrow scope of NHTSA recall 12V014000, despite year and problem overlap. Repairs frequently cost $1,000–$1,750, and owners report being charged diagnostic fees ($99–$135) for work that should have been free under recall warranty.
Same Kia Optima airbags reports on nearby years: 2005 · 2007 · 2008 · 2009
Failure modes owners describe
Passenger Airbag Occupant Sensor Malfunction
Passenger-side airbag fails to arm or disarm properly based on seat occupancy or passenger weight. The 'Passenger Airbag Off' indicator light stays illuminated when a passenger is seated, or stays off when seat is empty. Owners report the sensor frequently fails to recognize passengers weighing under 130 lbs, and the warning light behaves erratically—turning on and off without clear cause, sometimes changing status mid-drive. One owner documented 9 instances in two days; another reported 50% failure rate at low speeds and noted the problem persists after seat swaps.
When: From early ownership (as few as 181–500 miles) through higher mileage; reports cluster around 73,000–87,000 miles where failure becomes more noticeable
Symptoms owners cite: Passenger airbag warning light stays on regardless of seat occupancy; Passenger airbag warning light stays off when passenger is seated; Light illuminates and extinguishes intermittently while driving; Light behavior unaffected by passenger weight or position; Temporary fix by bouncing on seat or resetting computer, but problem recurs
Repairs/costs cited: Dealers have replaced passenger seat back assemblies (quoted at $1,248–$1,750), passenger seat padding, occupant weight sensors (stated at $1,200 per sensor; five sensors cited in one seat), and airbag modules. One owner swapped entire seats without resolving the light.
Recalls/TSBs owners mention: Dealers frequently claim the system is functioning as designed and that passengers under 130 lbs may not activate the sensor per NHTSA specifications. Some vehicles fall outside NHTSA Campaign 12V014000 recall scope. No factory TSB or expanded recall observed in narratives.
Driver-Side Airbag Warning Light Continuous Illumination
Driver-side airbag warning light comes on and does not extinguish. The light may illuminate while driving at highway speeds (10–60 mph) or while parked, and persists until the engine is turned off—though it reappears on subsequent starts. The failure is intermittent to continuous depending on the vehicle. No clear correlation to crash or impact events in most reports.
When: Reported across the ownership range; some failures at low mileage (2,000 miles) and others at higher mileage (60,000–80,000 miles)
Symptoms owners cite: Driver-side airbag warning light illuminates continuously or intermittently; Light comes on during driving and stays on until engine shutdown; Light remains on after engine restart; Sporadic illumination suggesting intermittent electrical fault
Repairs/costs cited: Dealers have replaced airbag modules (with at least one replacement failing and module needing replacement again), clock spring contact assemblies (under recall, but owners charged $99–$135 diagnostic fees when part was supposed to be free), wiring harnesses, and loose seat connections. One owner paid $125 diagnostic, then quoted $500+ to investigate and $500 to 'maybe' repair. Total out-of-pocket repairs cited range from $110 to $1,750 including diagnosis.
Recalls/TSBs owners mention: Many vehicles denied coverage under NHTSA Campaign 12V014000 (clock spring recall) because VIN fell outside recall scope. Kia initially refused warranty coverage on out-of-warranty vehicles. Lifetime warranty noted for driver's airbag clock spring contact assembly under the recall, but diagnostic fees were charged in violation of this.
Airbag Failure to Deploy in Crash
One documented incident in which the driver-side airbag did not deploy during a three-vehicle frontal collision at unknown speed. The vehicle had a prior history of intermittent airbag warning light illumination. Another narrative references general concern that continuous warning-light illumination may indicate the airbag is inoperative and may fail to deploy in a crash, though no actual deployment failure is confirmed in that case.
When: Documented crash incident at 46,000 miles; one prior minor crash reference around 2008
Symptoms owners cite: Airbag did not deploy during three-vehicle frontal crash; Driver sustained injury; Vehicle totaled; Prior airbag warning light had appeared intermittently
Repairs/costs cited: Dealer replaced a wire short circuit and later replaced the wiring harness. No repair fully resolved the illuminating warning light prior to the crash.
Recalls/TSBs owners mention: Manufacturer was to be notified of the crash and non-deployment.
Unexpected Airbag Deployment
One report of driver-side airbag deploying unexpectedly while driving at low speed (10 mph). The vehicle had a history of continuously illuminating airbag warning light that was reset multiple times at the dealer without resolution. Deployment caused severe facial swelling to the driver and the vehicle was totaled.
When: After repeated service attempts; exact mileage unknown but failure at 52,298 miles
Symptoms owners cite: Driver-side airbag deployed unexpectedly while driving at 10 mph; Severe facial swelling and injury to driver; Vehicle destroyed; Prior history of airbag warning light continuously illuminating
Repairs/costs cited: Vehicle destroyed; no successful repair documented.
Recalls/TSBs owners mention: Manufacturer refused to provide assistance.
Airbag Warning Light Persisting After Recall Service
Owner received recall notice for clock spring replacement (NHTSA Campaign 12V014000 or similar). Dealer performed the work, but the airbag warning light returned on or shortly after completion. One narrative indicates the repair was completed too quickly (20 minutes) to suggest a proper part swap.
When: Recall service completion in 2012; light reappeared 5–6 months later by April 2013 in one case
Symptoms owners cite: Airbag warning light returns shortly after recall clock-spring replacement; Light remains on continuously post-repair
Repairs/costs cited: Clock spring contact assembly was replaced under recall. Owner suspects the replacement part was not new or installation was incomplete given the quick turnaround.
Recalls/TSBs owners mention: Kia issued recall letters for clock spring contact assembly replacement with a stated lifetime warranty and free service. However, owners were charged $99–$135 for diagnostics despite the recall letter promising free replacement. At least one owner reported the dealership charged $113 diagnostic when the recall stated the service was to be free.
Door Latch Failure (Concurrent with Airbag Issues)
Driver-side door would not open from inside or outside. This issue appears in two narratives alongside airbag warning-light problems, suggesting a possible shared electrical or module root cause. One owner researched online and found the problem to be common in this model year.
When: Out of warranty; one report noted investigation at 46,000 miles (same vehicle with airbag non-deployment crash)
Symptoms owners cite: Driver-side door inoperable from both inside and outside door handles; Door stuck in locked position
Repairs/costs cited: Independent mechanic repaired the door latch. Cost not specified in narratives.
Recalls/TSBs owners mention: Kia declined warranty coverage, stating the vehicle was out of warranty. Manufacturer did not investigate the issue despite owner filing written complaints.
Synthesized from 39 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 6 most recent
Tl*- the contact stated he purchase a 2006 Kia optima on 11/30/06, with 377 miles on the vehicle at purchase. The contact states that after purchasing the vehicle he notice that passenger side airbag sensor light would not turn off. The contact states that while no one is in passenger seat the light stays on and the airbag is off. The contact stated that while someone is in passenger seat…
2006 Kia optima. Consumer writes in regards to recall notice and repairs concerning air bag clock spring contact assembly. *tgw the consumer stated he was charged a $113.00 for diagnostic testing. However, according to the recall letter, in addition to providing a lifetime warranty for the driver's air bag clock spring contact assembly, Kia was to replace the clock spring contact assembly free…
Dt*: the contact stated while a passenger weighing 125 pounds was properly restrained in the front passenger seat, the advanced airbag sensor light would not illuminate, which indicated a lack of airbag protection. The vehicle was inspected by a dealer who performed a diagnostic test, which did not produce any failure codes. The dealer referred to the vehicle owner's manual which indicated in…
Driver side air bag light on and does not turn off. Called Kia consumer affairs and they stated my vehicle is not covered by their current recall for this obvious on going problem with the air bags. My case number with Kia is [xxx]. This seems to be a real safety problem if the air bags do not deploy in an accident. Information redacted pursuant to the freedom of information act (foia), 5…
We purchased a 2006.5 Kia optima a few months back. This car is equipped with a feature, the de-activation of the front seat passenger airbag when the seat is vacant. My wife weighs about 104 lbs and does not always activate the switch as indicated by the fact the warning light does not go off, and therefore is unprotected if there was a frontal crash. The dealer checked and indicated that…
I just purchased a 2006.5 Kia optima. My concern is when my wife sits in the passenger seat; the air bag does not arm. Kia states that the new standard (NHTSA) states that one must be over 130 lbs. If true, I find that unacceptable. There is no statements within the owners manual or is there a placard on the dashboard warning one must be over 130 lbs. Should I have an accident, who is…
Had airbags trouble with your 2006 Kia Optima?
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 2006 Kia Optima?
It's a meaningful issue. 39 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 22 complaints that reported odometer mileage, most airbags failures cluster between 46,000 and 96,000 miles, with the median around 74,600. A quarter of owners report trouble before 46,000; a quarter make it past 96,000. 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/2006/Kia/Optima.
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.