There are 3 stored owner reports matching the brakes leading-label group for the 2014 GMC Terrain 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 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)HAVE NOT DRIVEN VEHICLE FOR A MONTH OR MORE BECAUSE OF PRESSURE WHEN BRAKING. REQUIRED MORE PRESSURE WHEN HOLDING BRAKE AT RED LIGHT OR IN TRAFFIC. FELT AS IF MY FOOT WOULD SLIP OFF BRAKE.
BRAKE FAILURE. THE BRAKE VACUUM PUMP FAILED. I MARKED THE FAILURE AS TODAY AS THE DEALERSHIP CONFIRMED THE FAILURE. THE FAILURE OCCURRED A MONTH OR SO AGO. IT DOES NOT HAPPEN ALL OF TIME.
TL* THE CONTACT OWNS A 2014 GMC TERRAIN. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE STALLED WITHOUT WARNING AND THE ABS INDICATOR REMAINED ILLUMINATED. LANCE BUICK GMC IN MANSFIELD, MASSACHUSETTS WAS MADE AWARE OF THE FAILURE AND SCHEDULED A DIAGNOSTIC APPOINTMENT. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 16,900.
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.