There are 3 stored owner reports matching the speed control & cruise leading-label group for the 2008 GMC Sierra 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)TL* THE CONTACT OWNS 2008 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING UP AN INCLINE AT 45 MPH, THE VEHICLE SUDDENLY ACCELERATED TO SPEEDS EXCEEDING 45MPH. EXCESSIVE PRESSURE WAS APPLIED TO THE BRAKE PEDAL TO STOP THE VEHICLE. THE VEHICLE WAS NOT TAKEN TO HAVE THE FAILURE DIAGNOSED OR REPAIRED. THE FAILURE AND THE CURRENT MILEAGES WERE 8,600.
WENT TO PASS ANOTHER VEHICLE, ACCELERATOR PEDAL STUCK TO FLOOR. WAS DOING 90-100 MPH BEFORE I COULD GET THE KEY TURNED OFF, WHICH CAUSED THE PEDAL TO POP BACK UP. *TR
DRIVING ON A RURAL ROAD IN EXTREME COLD. APPROX 20 MI / HR. GAS PEDAL STUCK TO FLOOR. THREW TRUCK IN NEUTRAL TO SLOW DOWN & BY HAND REACHED DOWN TO LIFT THE ACCELERATOR FROM THE FLOOR. INCIDENT DID NOT HAPPEN AGAIN THAT DAY. TOOK TO DEALERSHIP & WAS TOLD THAT A NEW ACCELERATOR WOULD BE INSTALLED. *TR
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.