2017 Buick Lacrosse Other or unknown Problems
- Complaints
- 3about this part
- Share
- 8%of 36 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the other or unknown of the 2017 Buick Lacrosse, 8% of the 36 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My 2017 Buick LaCrosse Premium AWD experienced a sudden, dangerous mechanical failure of the Accelerator Pedal Position Sensor system while operating the vehicle under normal road conditions. The vehicle suffered an immediate loss of engine continuity and engine power, forcing the car into a hazardous low-speed limp mode while in active traffic. A certified repair facility inspected the vehicle, confirmed a complete failure of the internal pedal sensor circuit, and replaced the unit to restore safe operating throttle control. …”
NHTSA complaint #11767773, filed 2026-09“My 2017 Buick LaCrosse Premium AWD (116,220 miles) experienced a severe all-wheel-drive failure causing significant binding and a loud rumbling/clunking noise during sharp, low-speed cornering and acceleration. The vehicle has been officially inspected by two separate authorized manufacturer service centers. On September 25, 2026, a certified GM technician at Advantage Buick GMC formally documented that the vehicle has a prominent rear drivetrain failure, identifying it as a rear diff or driveshaft issue that requires full component replacement. …”
NHTSA complaint #11767766, filed 2026-09Related service bulletins
- 11037555Sep 26, 2026This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- 11037253Sep 4, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11035340Jul 21, 2026PI to help diagnose A/C concern
- 11030974Apr 1, 2026This preliminary information communicates information about how to determine if a wheel and tires size change is available.
- 11030092Mar 9, 2026This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
- 11030091Mar 9, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11027601Jan 8, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11025755Nov 20, 2025This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s…
- 11023091Sep 9, 2025New Vehicle Monitoring Programs Section in IVH
- 11023147Sep 8, 2025This Preliminary information communicates a possible issue with an engine timing chain, gear or crankshaft key.
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2019 | 3 | 43% |
| 2018 | 1 | 8% |
| 2017 | 3 | 8% |
| 2016 | 4 | 8% |
| 2015 | 4 | 9% |
| 2014 | 9 | 14% |
| 2013 | 9 | 7% |
| 2012 | 19 | 9% |
| 2011 | 13 | 8% |
| 2010 | 13 | 7% |
| 2009 | 3 | 3% |
| 2008 | 14 | 6% |
| 2007 | 6 | 2% |
| 2006 | 6 | 2% |
| 2005 | 7 | 2% |
Other parts of the 2017 Buick Lacrosse
11 complaintsTransmission and drivetrain
9 complaintsEngine
5 complaintsSuspension
4 complaintsVehicle speed control
4 complaintsAir bags
2 complaintsBrakes
1 complaintsElectronic stability control
1 complaintsFuel system
1 complaintsSeat belts
1 complaintsSeats
1 complaintsSteering
1 complaints
← All problems reported for the 2017 Buick Lacrosse
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology