AutoDefect IQ

2015 Buick Lacrosse problems, complaints & recalls

Most-reported problem areas: Steering (9) · Electrical System (5) · Air Bags (4)

🧭 Reliability snapshot

91 /100
✓ Typical or better for this model

Compared against other Buick Lacrosse model years — complaint volume vs the model's median year, recalls and severity. How we score →

🛣️ Complaints by mileage

<25k miles: 13 complaints 13 <25k 25–50k miles: 5 complaints 25–50k 50–75k miles: 2 complaints 50–75k 75–100k miles: 3 complaints 75–100k 100–125k miles: 3 complaints 100–125k 125–150k miles: 1 complaints 125–150k 150k+ miles: 0 complaints 150k+

27 NHTSA complaints that reported an odometer reading.

44
Complaints
3
Recalls
1,576
Service bulletins
5
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (3)

Seat Belts:pretensioner 2017-07-10 · campaign 17V437000 · 40,683 vehicles

Defect: General Motors LLC (GM) is recalling certain model year 2014-2016 Buick Lacrosse and Chevrolet Spark EV, Caprice PPV and SS vehicles, 2014-2017 Buick Encore and Chevrolet Corvette, Silverado 1500 and GMC Sierra 1500 vehicles, 2015-2016 Cadillac Escalade and Escalade ESV, Chevrolet Tahoe, Trax, Suburban and Silverado 2500 and 3500 and GMC Yukon and Yukon XL vehicles, and 2015-2017 GMC Sierra HD 2500 and 3500 vehicles. While being previously remedied for recall 16V-651, the affected vehicles may

Risk: A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessitating deployment increases the risk of injury to the driver and front passenger.

Fix: GM will notify owners, and dealers will reflash the SDM software. Vehicles that have had a previous air bag deployment will have the SDM replaced. These repairs will be performed free of charge. The recall began on August 4, 2017. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 17287.

Seat Belts:pretensioner 2016-09-08 · campaign 16V651000 · 3,640,162 vehicles

Defect: General Motors LLC (GM) is recalling certain model year 2015-2017 Chevrolet Silverado 2500 HD, 3500 HD, Tahoe, Suburban, GMC Sierra 2500 HD and 3500 HD, GMC Yukon, GMC Yukon XL, Cadillac Escalade and Cadillac Escalade ESV vehicles and 2014-2017 Chevrolet Corvette, Silverado 1500, Trax, Caprice Police Pursuit Vehicle, GMC Sierra 1500, Buick Encore, and 2014-2016 Buick Lacrosse, Chevrolet Spark EV and SS vehicles. In the affected vehicles, certain driving conditions may cause the air bag sensing

Risk: A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessitating deployment increases the risk of injury to the driver and front passenger.

Fix: GM will notify owners, and dealers will reflash the SDM software. Vehicles that have had a previous air bag deployment will have the SDM replaced. These repairs will be performed free of charge. The recall began on October 13, 2016. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 16007.

Air Bags:side/Window 2015-10-16 · campaign 15V666000 · 395 vehicles

Defect: General Motors LLC (GM) is recalling certain model year 2015 Buick LaCrosse, Cadillac XTS, Chevrolet Camaro, Equinox, Malibu, and GMC Terrain vehicles. The affected vehicles have front seat-mounted side impact air bags whose inflator may rupture upon its deployment.

Risk: In the event of a crash necessitating deployment of one or both of the side impact air bags, the air bag's inflator may rupture and the air bag may not properly inflate. The rupture could cause metal fragments to strike the vehicle occupants, potentially resulting in serious injury or death. Additionally, if the air bag does not properly inflate, the driver or passenger is at an increased risk of

Fix: GM will notify owners, and dealers will replace the side impact air bag modules, free of charge. The recall began on October 19, 2015. Owners may contact Buick customer service at 1-800-521-7300, Chevrolet customer service at 1-800-222-1020, Cadillac customer service at 1-800-458-8006, or GMC customer service at 1-800-462-8782. GM's number for this recall is 01320.

Service bulletins (1,576)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions

this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.

Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions

this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.

Unknown Or Other 2026-07-21 · PIT5099J · Service Bulletin/Repair Instructions

pi to help diagnose a/c concern

Unknown Or Other 2026-05-19 · PIP6113 · Service Bulletin/Repair Instructions

this document provides the technician with a diagnostic tip if the vehicle stalls and set diagnostic trouble code p0191 and may also set p0172. the diagnostic tip has the technician inspect the high pressure fuel pump body markings to confirm it is an original manufacture part. if it is not an origi

Unknown Or Other 2026-04-01 · PIT3271Q · Service Bulletin/Repair Instructions

this preliminary information communicates information about how to determine if a wheel and tires size change is available.

Unknown Or Other 2026-03-09 · PIP6104 · Service Bulletin/Repair Instructions

this preliminary information communicates the steps on how to save a gds2 session log and upload to a technical assistance case in cx connect.

Showing the 6 most recent of 1,576 bulletins. Search all of them free at nhtsa.gov.

What owners report

2025-11-10 · Power Train

“i had first seen a check engine light for a month and it would come on and off and sometimes it would stay off for about a week before it comes back on and do the same thing. i had noticed some slippage within the transmission a week prior to this incident and was looking to take it in for an inspection but money is tight so i couldn’t afford to go…”

2025-06-11 · Steering · 123,900 mi

“the contact owns a 2015 buick lacrosse. the contact stated that while driving 25 mph on a main road and attempting to make a right turn, the contact noticed that the steering wheel had become increasingly difficult to steer. the message "service power steering - drive with care" was displayed. the local dealer was not contacted, and the vehicle wa…”

2025-04-29 · Service Brakes, Hydraulic · 127,500 mi

“the contact owns a 2015 buick lacrosse. the contact stated that while driving on the highway at 55 mph, the vehicle jerked briefly before shifting into gear. the abs warning light was illuminated. the vehicle was taken to an independent mechanic, where the vehicle was diagnosed, and the contact was informed that the abs was faulty and needed to be …”

2025-04-29 · Steering

“as i was driving around a corner, the steering wheel got hard, very hard and it no longer worked …”

2024-06-28 · Power Train · 100,000 mi

“the contact owns a 2015 buick lacrosse. the contact stated that while stationary at a stop light and attempting to depress the accelerator pedal, the vehicle hesitated while responding. the check engine warning light was illuminated. the vehicle was taken to an independent mechanic where the vehicle was diagnosed with transmission failure. the vehi…”

2024-02-02 · Unknown Or Other

“there have been at least five different occasions when the doors of the car will randomly lock and unlock continously for anywhere from 1-3 minutes. no one would be holding the key or pushing the button. we are sitting in the car when it happens. it has occurred with the car on and off.…”

2023-10-19 · Unknown Or Other

“transmission problem. jerking when going into gear. …”

2023-06-02 · Seat Belts

“the part of the driver seat belt that goes under the seat and is attached by a metal cable. the cable totally ripped apart. the date is approximate because i did not notice it until it was almost completely broken off. . i had the seatbelt repaired at the dealer mangino buick in ballston spa new york, at the sum of $300they said gm refused to cover…”

2023-01-09 · Fuel/Propulsion System

“fuel line under hood was rubbing against a bracket and is leaking. all the hangers and clips are secured and no play in fuel line. …”

2022-09-29 · Air Bags · 100,000 mi · 💥 crash

“the contact owns a 2015 buick lacrosse. the contact stated while driving at 55 mph, another vehicle spun uncontrollably and crashed into the driver's side door of the vehicle and the door caved in. the contact hit the left side of her head against the front driver's side window. the air bags failed to deploy. the fire department assisted the contac…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Buick Lacrosse years