One problem related to front air bag sensor control has been reported for the 2009 Buick Lacrosse. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Buick Lacrosse based on all problems reported for the 2009 Lacrosse.
Right front passenger seat airbag turns itself off intermittently with passenger seated and buckled. Dealer removed and reinstalled seat and replaced faulty pps module and cushion assembly 06/18/2012, 48,072 miles. Problem reoccurred, dealer rezeroed system and rechecked ok, 02/20/13, 62,481 miles. Problem reoccurred, dealer replaced pps sensor 03/13/2013, 63,441 miles. Problem is now reoccurring 10/07/2014, mileage 96,956, and has been for about 2 months, with a passenger always seated and buckled, wt. 135 lbs. Or more.
| Air Bag Light On problems | |
| Warning Light On problems | |
| Air Bag problems | |
| Front Air Bag Sensor Control problems | |
| Side/window Air Bag problems | |
| Air Bag On-off Switch problems | |
| Air Bag Not Deploy problems |