There are 2 stored owner reports matching the brakes leading-label group for the 2017 Cadillac ATS in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)The contact owns a 2017 Cadillac ATS. The contact stated that while driving approximately 75 MPH and attempting to stop the vehicle, the brake pedal was very stiff and hard to depress causing the braking distance to be extended. The contact drove off the roadway to avoid a collision and activated the parking brake and shifted to park(P) causing the vehicle to come to an abrupt stop. During the failure the “Service Brake Assist" message was displayed. The vehicle was towed to the local dealer. The vehicle was not yet repaired. The manufacturer was not yet notified of the failure. The failure mileage was 50,098.
UPON BRAKING CAR SHAKES AND MAKES A LOUD NOISE BUT EVENTUALY STOPS. ABOUT 8 DAYS LATER WHILE PARKING THE BRAKES FAILED TO OPERATE RESULTING IN A COLLISION.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.