There are 2 owner-reported powertrain & transmission complaints for the 2011 Chevrolet Suburbanin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
VEHICLE RECENTLY REACHED 160,000 MILES. MAINTENANCE IS UP TO DATE. TRANSMISSION APPEARS TO HAVE AN INTERMITTENT FAULT WITH ITS OPERATION AS IT WILL THROW ITSELF OUT OF DRIVE WHILE THE VEHICLE IS IN MOTION. WE ARE UNABLE TO SAFELY DRIVE THIS VEHICLE NOW DUE TO ITS UNPREDICTABILITY.
TL* THE CONTACT OWNS A 2011 CHEVROLET SUBURBAN. THE CONTACT STATED THAT WHILE STOPPED WITH THE BRAKE PEDAL DEPRESSED, THE VEHICLE LURCHED FORWARD. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSIS. THE TECHNICIAN WAS UNABLE TO DUPLICATE THE FAILURE. ADDITIONALLY, THE REAR LIFT GATE CLOSED ON ITS OWN WHILE THE CONTACT WAS STANDING UNDERNEATH. THE CONTACT SUSTAINED BRUISING TO HER FACE. ALSO, THE CONTACT STATED THE VEHICLE HESITATED TO ACCELERATE WHILE DEPRESSING THE ACCELERATOR PEDAL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 23,000. *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.
Data synced from NHTSA on Apr 26, 2026