There are 2 owner-reported brakes complaints for the 2013 Buick LaCrossein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2013 Buick Lacrosse. The contact stated while driving 60 MPH, the brake pedal was depressed, and she heard an abnormal sound coming from the vehicle. The check engine warning light illuminated. The contact continued to drive to her destination. The vehicle was taken to the dealer who diagnosed that the generator control module had failed and needed to be replaced. The contact stated that the failure had been reoccurring while driving. The manufacturer was not notified of the failure. The vehicle was not repaired. The approximate failure mileage was 150,000.
WHEN IN A COASTING MODE(NO ACCELERATOR USE) CAR WILL APPLY BRAKING ALL ON ITS OWN AND WILL NOT RELEASE BRAKING TILL CAR COMES TO A FULL STOP. NO OBJECTS OR CARS ARE ANYWHERE IN FRONT OF THE CAR WHEN THIS HAPPENS. HAS HAPPENED TWICE WHILE GOING AROUND MEDIUM RADIUS CURVES IN THE ROAD. VERY DANGEROUS TO US AND THE OTHER CARS BEHIND US BECAUSE WE GET NO INDICATION THIS IS GOING TO HAPPEN. THIS HAS HAPPENED A COUPLE OF TIMES. THE LAST TIME IS INDICATED BELOW.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026