VEHICLE WAS STATIONARY IN DRIVEWAY. VEHICLE WOULD NOT START. IT HAD WORKED FINE THE DAY PRIOR. THE VEHICLE WAS CRANKING AND CLEARLY HAD POWER BUT WOULD NOT TURN OVER. I NOTICED THAT I COULD NOT HEAR THE FUEL PUMP PRIME WHEN THE KEY WAS TURNED. LIKE MANY OTHERS, I FOUND THE FUEL PUMP RELAY TO BE CHARRED LIKE IT HAD BEEN BURNING. THE FUSE BLOCK WAS ALSO MELTED AT PIN 30. THIS IS SUCH A FIRE HAZARD B…
2009 Buick Lucerne electrical problems
severe 72 complaints filed with NHTSA · avg repair $850
Complaints
72
Recalls
0
Crashes
1
Avg fix
$850
What owners are reporting 13 most recent
TL* THE CONTACT OWNS A 2009 BUICK LUCERNE. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. UPDATED 01/20/15*LJ …
TL* THE CONTACT OWNS A 2009 BUICK LUCERNE. THE CONTACT STATED THAT THE VEHICLE WOULD NOT START. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE ENTIRE FUSE BOX MELTED AND CAUSED THE FUEL PUMP RELAY TO MALFUNCTION. THE VEHICLE WAS NOT REPAIRED. THE CONTACT STATED THAT THERE WAS NO SMOKE OR BURNING ODOR PRIOR TO THE FAILURE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAI…
failed fuel pump relay and melted fuse block. Car would not start in garage. Knew this vehicle is known to have this issue and when investigating the failure to start the first thing I checked was the fuel pump relay and fuse block and sure enough that was the issue. Common issue that Buick never addressed adequately.
A PIECE TO THE FUSE BOX UNDER BACK SEAT HAS MELTED INSIDE OF THE FUSE BOX, WHICH HAS CAUSED THE CAR NOT TO START. THE VEHICLE IS NOW IN FRONT OF MY HOME, SITTING. BUICK HAS NO RECALL BUT YET THIS KEEPS HAPPENING.
DRIVING DOWN THE ROAD THE CAR QUITS AND CRANKS BUT NO START. FOUND FUSE BOX AT FUEL PUMP RELAY MELTED TOGETHER. CLEANED TERMINALS AND REPLACED RELAY DROVE CAR 20 MILES TO HAVE IT DO IT AGAIN. FUSE BOX GET HOT AND IT IS LOCATED UNDER REAR PASSENGER SEAT NEXT TO BATTERY. I HAVE READ WHERE OTHER PEOPLE WITH SAME YEAR, MAKE AND MODEL HAVING THE SAME PROBLEM AND AROUND THE 70,000-80,000 MILEAGE. I …
CORROSION OF FUSE BOX LOCATED UNDER BACK SEAT. *TR
CORROSION OF FUSE BOX LOCATED UNDER BACK SEAT. *TR
VEHICLE WOULD NOT START IN THE GARAGE. HAD IT TOWED TO A LOCAL GARAGE WHERE THE DIAGNOSIS WAS FAILED FUEL PUMP RELAY. FUEL PUMP RELAY OVERHEATED AND MELTED THE FUSE BLOCK. THE 20 AMP FUSE FOR THE FUEL PUMP RELAY DID NOT FAIL. A VISUAL INSPECTION OF THE RELAY SHOWS AN INTERNAL BURN MARK BETWEEN PINS 85 & 86. SINCE THIS BLOCK IS UNDER THE REAR SEAT, ON WHICH MY GRANDCHILDREN OUR STRAPPED IN I AM CON…
Vehicle was no start. Dealer found fuel pump relay bad on 10/05/201. Next time using vehicle same problem. On 10/20/2021 dealer service department diagnosed bad fuse box. The fuse box is located under the rear passenger seat. It was extremely hot and melting. Fortunately no fire, this time.
Common questions
How serious is the electrical problem on the 2009 Buick Lucerne?
It's a meaningful issue. 72 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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