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2007 Buick Lacrosse electrical problems

75 complaints (30% of all complaints for this car). Typical mileage when it fails: 80,000.

owner complaints
75
of this car's complaints
30%
typical mileage
80,000
crashes
0
recalls
1

Which part fails

  • Wiring: fuses and circuit breakers
    2
  • Instrument cluster/panel
    2
  • Instrument panel: speedometer/odometer
    1

At what mileage

Complaints by mileage at the time of the problem.

0k-25k
25k-50k
50k-75k
75k-100k
100k-125k
125k-150k
150k-175k
175k-200k
200k+

Buick Lacrosse electrical problems in other years

2005201020152019

Specific symptoms reported on the 2007 Buick Lacrosse electrical

Phrases found in the owners' own descriptions, so one complaint can mention several symptoms.

Fire or smoke 15

Related recalls

Electrical system: ignitionReported June 23, 2014 · 3,141,731 vehicles affected
What is wrong
This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) is recalling certain model year 2005-2009 Buick LaCrosse, 2006-2011 Buick Lucerne, 2000-2005 Cadillac DeVille, 2006-2011 Cadillac DTS, 2006-2014 Chevrolet Impala, and 2006-2007 Chevrolet Monte Carlo vehicles. In the affected vehicles, the weight on the key ring and road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.
Risk
If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury. Additionally, a key knocked out of the run position will cause loss of engine power, power steering, and power braking, increasing the risk of a vehicle crash.
Remedy
GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 23, 2014. Owners may contact General Motors customer service at 1‑800‑521‑7300 (Buick), 1‑800‑458‑8006 (Cadillac), and 1‑800‑222‑1020 (Chevrolet). GM's number for this recall is 14299.

Recall number 14V355000 · Recall details

What 2007 Buick Lacrosse owners say

Most recent owner complaints, unedited.

Filed Feb 10, 2026 · Electrical · 131,000 miles · GA

Odometer Fraud. The contact purchased a 2007 Buick Lacrosse. It was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. The mileage at the time of the purchase was 77,000. It was later discovered that the actual mileage was 131,000. The Carfax Report mileage was not available.

Filed Oct 23, 2025 · Electrical, Engine · TN

Car refuses to relearn the app sensor. Throttle body and sensor is good, always changed the EVAP Purge valve. Still throwing codes and reduce engine speed stays on..

Filed Jun 6, 2025 · Electrical, Lights · OH

Low beam headlights randomly turn off while driving at night and day. Causing not to be able to see the roadway at all. Very dangerous!!! They give no warning at all. Only the low beams do this. Bright lights are not affected. There was a recall for this issue but they said my car was not affected. But it is 100% affected by this recall. Ot seems like the Headlamp driver module is overheating. It gets extremely hot. This issue almost caused a very serious accident .

Filed Apr 20, 2023 · Electrical · MO

Taken car to dealership for computer analysis and was told that the issue was caused by P0420cataylic converter needed to be replaced. I had cataylic converter replaced elsewhere and noticed that wasn't the problem. After doing some research I found that ignition switch is the reason my car stalls while driving. There was a Product Safety Recall (14299) Ignition key rotation and replaced on 10- 8-20 but I'm having the same problem.

Filed Aug 16, 2016 · Electrical · 100,000 miles · IL

Tl* the contact owns a 2007 buick locrosse. When touching the ignition switch and moving the key around, the instrument panel warning lights flashed on and off. The contact indicated that the remedy for the federal safety agency campaign number: 14v355000 (electrical system) was performed in 2014, but the failure continued. The cause of the failure was not diagnosed. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 100,000.

Filed Apr 27, 2016 · Electrical, Lights · 86,022 miles · SC

Tl* the contact owns a 2007 buick lacrosse. After the vehicle was shut off, the headlights remained illuminated for over an hour without warning. The contact noticed a burning odor emitting from the vehicle and discovered that the head lamp driver module, located in the fuse box, was melted. The vehicle was taken to a dealer where the technician stated that the head lamp module needed to be replaced. The vehicle was not repaired. The contact received notification of the federal safety agency campaign number: 14v755000 (exterior lighting); 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 notified of the failure. The failure mileage was 86,022. Vin tool confirms parts not available. Updated 06/14/16

Filed Apr 18, 2016 · Electrical, Lights · OH

Tl* the contact owns a 2007 buick lacrosse. The contact stated that there was a failure that progressed in which the low beam head lamps randomly shorted. The contact had to apply the high beams each time the failure happened. The contact received notification of the federal safety agency campaign number: 14v755000 (exterior lighting) and the dealer was unable to provide a permanent remedy for the condition for over a year. The dealer stated a year ago that they provided a temporary solution. The failure mileage was unknown. Vin tool confirms parts not available. Updated 05/26/16*lj

Filed Mar 3, 2016 · Electrical · 57,830 miles · OH

You are driving down the road at night and for no reason the headlights go out. You hit the high beams and in a few minutes they go out. Had this car to the dealers at least 4 times and they keep replacing the relay and a month or two later it does the same thing. We have a lot of dark roads here in ohio and you can be coming into a curve and the lights go out. You can't see a thing. Gm claims they don't have a permanent fix for the problem.

Filed Feb 18, 2016 · Electrical, Engine · MA

2007 buick lacrosse. Consumer writes in regards to intermittent engine loss of power.

Filed Feb 4, 2016 · Electrical, Lights · FL

Tl* the contact owns a 2007 buick lacrosse. The contact stated that a recall notification was received for the federal safety agency campaign number: 14v755000 (exterior lighting). The dealer was unable to supply the part beyond a reasonable time frame. The contact was experiencing the random failure of the low beam head lamps failing to work. The contact had to apply the high beams when the failure happened. The vehicle was taken to an independent mechanic who replaced the headlamp relay. The contact was unable to obtain the part from the dealer for the recall repair for longer than two years. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was not available. Vin tool confirms parts not available.

Questions about the 2007 Buick Lacrosse electrical

Does the 2007 Buick Lacrosse have electrical problems?

Owners have filed 75 complaints about the electrical of the 2007 Buick Lacrosse, 30% of all its complaints.

At what mileage do 2007 Buick Lacrosse electrical problems start?

The typical (median) mileage in owner complaints is 80,000 miles.

Was there a recall on the 2007 Buick Lacrosse electrical?

Yes, 1 recall: 14V355000. Check your VIN to see if your car still needs the free repair.

What year does the Buick Lacrosse have the most electrical problems?

The Buick Lacrosse model years with the most electrical complaints are 2008 (85 complaints), 2006 (84 complaints) and 2005 (80 complaints).

Other 2007 Buick Lacrosse problems

Lights 125Steering 22Airbags 18Engine 16Transmission 10Brakes 8Visibility 8Suspension 7Body 6Tires 6Wheels 4Fuel system 3Locks 2Seat belts 2Seats 2Acceleration 1Driver assistance 1

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