Sensor: occupant classification
Risk. If the wires are damaged, the passenger presence sensory system may fail to recognize that the passenger seat is occupied, disabling the air bag.
NHTSA has logged 824 owner complaints about the 2009 Chevrolet Impala, most often about the air bags. It is covered by 5 safety recalls, and for recall 16V-507 the manufacturer reports only 51% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through June 8, 2026. Updated daily.
824 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Air bags | 232 | 29 |
| Electrical system | 224 | 12 |
| Engine | 179 | 10 |
| Vehicle speed control | 130 | 2 |
| Electronic stability control (ESC) | 108 | 7 |
| Power train | 68 | 4 |
| Steering | 57 | 15 |
| Traction control system | 46 | 2 |
| Service brakes | 39 | 9 |
| 19 other systems | 236 | 16 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. If the wires are damaged, the passenger presence sensory system may fail to recognize that the passenger seat is occupied, disabling the air bag.
Risk. If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury.
Risk. A broken control arm can result in the loss of control of the vehicle, increasing the risk of a crash.
Risk. THE SAFETY BELT MAY NOT RESTRAIN THE OCCUPANT AS INTENDED DURING A CRASH, WHICH COULD RESULT IN INJURY TO THE OCCUPANT.
Risk. DURING A PASSENGER-SIDE AIR BAG DEPLOYMENT, PIECES OF THE INFLATOR TUBE COULD STRIKE AND INJURE VEHICLE OCCUPANTS AND THE AIR BAG CUSHION WOULD NOT INFLATE…
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Chevrolet.
78kmiles, median
Based on the odometer reading in 173 air bags complaints. 70% were reported before 100,000 miles.
Dollar amounts owners wrote in their complaints when describing a repair or a quote. These are not price estimates; a system is shown only when at least 8 owners mentioned a cost.
$400median
If a problem is covered by a recall, the dealer fixes it for free. Some manufacturers also reimburse owners who paid for a repair before a recall was announced.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Impala median. How we score
2009 Chevrolet Impala 4-DR w/SAB in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.


Recent air bags complaints filed with NHTSA, shortened. Personal details are removed.
For the last 2 years, the car willl come up saying airbag system issues. There airbag sensor under the passenger side seat will randomly throw a code for the erorr and then turn off. It does not have to be a bump, move the seat, Just goes off. We have had it professionally scanned and it is always…
I believe the passenger seat occupant sensing and airbag issues from recall 16V507 have not been fixed. I am still having issues related to it, even though I had it fixed.
The contact owns a 2009 Chevrolet Impala. The contact stated while driving at an undisclosed speed, the air bag warning light illuminated. The dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.