The problem could also cause the airbag fuse to short.

Chevrolet is recalling 289,254 units of the 2009-2010 Impala in the United States because of possible damage to the front passenger presence sensor module. These vehicles have production dates from April 25, 2008, through February 16, 2010.

According to Chevy, the bottom of the front passenger seat frame can rub against the wires for the passenger presence sensor module. In some cases, the damage wouldn’t allow the sensor to recognize a person in the seat, which would disable the airbag. The problem can also cause the airbag fuse to short out. If that happens, it would disable all the airbags and seatbelt pretensioners in the vehicle.

Chevy says owners would receive at least three warnings if this fault occurs. For example, the passenger airbag status light would show the safety device as off even with a person in the seat. There would also be a warning on the driver information display and a warning light.

An employee reported this problem on March 8, 2016, and the company opened an investigation. The inquiry found that the automaker discovered the issue during manufacturing in early 2010, and the factory started using abrasion-resistant tape on the wires on February 10, 2010. Impalas before then didn’t have it. Chevy decided to conduct a recall.

To fix the problem, Chevy dealers will wrap the wires with anti-abrasion tape and replace any damaged components.

Source: The National Highway Traffic Safety Administration

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RECALL Subject : Passenger Presence Sensor Wires May Be Damaged

Report Receipt Date: JUL 05, 2016
NHTSA Campaign Number: 16V507000
Component(s): AIR BAGS , ELECTRICAL SYSTEM


Potential Number of Units Affected: 289,254
All Products Associated with this Recall
Vehicle Make Model Model Year(s)
CHEVROLET IMPALA 2009-2010

Details

Manufacturer: General Motors LLC

SUMMARY:
General Motors LLC (GM) is recalling certain model year 2009-2010 Chevrolet Impala vehicles manufactured April 25, 2008 through February 16, 2010. The front passenger seat frame may contact and damage the wires of the passenger presence sensor module.

CONSEQUENCE:
If the wires are damaged, the passenger presence sensory system may fail to recognize that the passenger seat is occupied, disabling the air bag. Damage may also cause the air bag fuse to short resulting in a loss of all air bags and seat belt pretensions. Both conditions increase the risk of injury during a crash.

REMEDY:
GM will notify owners, and dealers will double wrap the wires with anti-abrasion tape and replace damaged wires as necessary, free of charge. The manufacturer has not yet provided a notification schedule. Owners may contact Chevrolet customer service at 1-800-521-7300. GM's recall campaign number is 36110.

NOTES:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.