2009 Buick Lucerne Problems: 6 Known Issues
2009 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2009 Buick Lucerne has 6 documented known issues, with 4 rated critical. The most serious are Heated Washer Fluid Module Can Ignite (Recall 10V240), Throttle-Position Sensor Can Trigger Reduced Power (Coverage 14582A), Ignition Key Can Move Out of Run (Recall 14V355) and Rear Electrical Center Fuel-Relay Terminal Can Overheat (Coverage 18226). DIY maintenance guides at au7o.io.