2012 Buick Lacrosse electrical system problems
61 owner complaints filed with NHTSA name the electrical system on the 2012 Buick Lacrosse — 30% of all complaints for this model year.
What owners report
“during a regular drive the check stabiltrack system message popped up on the dash in the middle circle and then the little car with the squiggly lines behind it popped up and the check engine light came on and started blinking. Immediately I noticed lack of steering control, the car's speed was…”
filed Nov 5, 2025
“My 2012 Buick Lacrosse had a recall for Loss control generator control module, The recall was fixed, but recently my car shut off in the middle of the highway for the same issue. The vehicle was towed to the GM Buick Dealer and they quoted me $7, 525.00 for the part because it is an after market…”
filed May 16, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- These vehicles may have a condition in which the Generator Control Module (GCM) may not…Campaign 13V173000 · May 6, 2013
Related service bulletins
This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
18-NA-180 · Service Bulletin/Repair Instructions · issued Sep 4, 2025
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% |
| 2011 Lacrosse | 32 | 19% |
| 2010 Lacrosse | 46 | 24% |
| 2009 Lacrosse | 31 | 29% |
| 2008 Lacrosse | 84 | 34% |
| 2007 Lacrosse | 75 | 30% |
| 2006 Lacrosse | 83 | 28% |
| 2005 Lacrosse | 80 | 25% |
Other reported problem areas on the 2012 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.