2009 Buick LaCrosse Problems
RepairPal has identified the most common problems with the 2009 Buick LaCrosse as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.Refine by vehicle
Door lock mechanisms not operating properly. Doors may not lock/unlock.
Replacement of faulty door lock actuator required for proper operation.
A Loose or worn gas cap may cause Check Engine Light to illuminate.
The high pressure power steering hose will commonly leak fluid; it should be replaced.
Vehicles with certain V6 engines may illuminate the Check Engine Light one or more of the following codes: P0011, P0014, P0021, P0024, P0341, P0346, P0336, or P0391. Our technicians tell us that some vehicles may require a powertrain control module (PCM) software update to correct this issue. Other vehicles may have excess camshaft end play on one or both cylinder heads which will need to be corrected using special procedures outlined by GM.
Contaminated brake fluid can cause problems in the brake system and it should be flushed every 60,000 miles.