2007 Buick Lacrosse electrical system problems
75 owner complaints filed with NHTSA name the electrical system on the 2007 Buick Lacrosse — 30% of all complaints for this model year.
What owners report
“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…”
filed Feb 10, 2026
“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 Oct 23, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- In the affected vehicles, the weight on the key ring and road conditions or some other…Campaign 14V355000 · Jun 23, 2014
Related service bulletins
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024
Electrical System problems in other Lacrosse years
| Year | Reports | Share |
|---|---|---|
| 2017 Lacrosse | 11 | 32% |
| 2016 Lacrosse | 2 | 4% |
| 2015 Lacrosse | 9 | 20% |
| 2014 Lacrosse | 14 | 22% |
| 2013 Lacrosse | 53 | 41% |
| 2012 Lacrosse | 61 | 30% |
| 2011 Lacrosse | 32 | 19% |
| 2010 Lacrosse | 46 | 24% |
| 2009 Lacrosse | 31 | 29% |
| 2008 Lacrosse | 84 | 34% |
| 2006 Lacrosse | 83 | 28% |
| 2005 Lacrosse | 80 | 25% |
Other reported problem areas on the 2007 Buick Lacrosse
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.