There are 10 owner-reported speed control & cruise complaints for the 2005 GMC Sierrain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
MY SPEEDOMETER FAILS INTERMITTENTLY. I WAS DRIVING TO FLORIDA FROM VIRGINIA AND MY SPEEDOMETER FAILED ON INTERSTATE 95. I WAS SUMMARILY ARRESTED IN SUMMERTON, GEORGIA FOR SPEEDING. IT IS DANGEROUS WHEN YOU DON'T KNOW YOUR SPEED. *TR
I WAS APPROACHING A STOP LIGHT AND APPLIED PRESSURE TO THE BRAKE PEDAL. MY FOOT WENT TO THE FLOOR AND THE TRUCK DID NOT STOP. I WAS ABLE TO ACTIVATE THE PARKING BRAKE AND SAFELY STOP THE TRUCK. ON INSPECTION, IT WAS DISCOVERED THAT THE FACTORY INSTALLED STEEL BRAKE LINES FAILED DUE TO CORROSION. THE VEHICLE IS WELL CARED FOR AND HAS NO SIGNS OF BODY RUST BUT THE BRAKE LINES ARE ALMOST COMPLETELY RUSTED AWAY FRONT TO BACK. *TR
AT ANY RATE OF SPEED TRUCK WILL GO INTO REDUCED ENGINE POWER MUST PULL OVER OUT OF TRAFFIC AND KILL ENGINE WAIT A COUPLE OF MINUTES AND THEN RESTART SOMETIMES YOU CAN GO 1 MILE TILL HAPPENS AGAIN SOMETIMES 50 MILES VERY DANGEROUS SITUATION IN HEAVY TRAFFIC. *TR
2005 GMC SIERRA SPEEDOMETER IS ERRATIC OR DOES NOT WORK. *TR
THE SPEEDOMETER FAILED AFTER 75,000 MILES. *TR
TL* - THE CONTACT STATED THAT THE 2005 GMC SIERRA 2500 HD SPEEDOMETER WAS NOT WORKING. WHILE DRIVING REGARDLESS OF SPEED, THE SPEEDOMETER WILL DISPLAY A HIGHER SPEED OTHER THAN WHAT HE WAS DRIVING. THE SPEEDOMETER SOMETIMES REGISTERS AS HIGH AS 120 MPH, AND WHEN DECREASING SPEED THE SPEEDOMETER JAMMED AND VARIED BETWEEN NORMAL AND A HIGHER SPEED. THE CONTACT FILED A COMPLAINT, FILE # 71-473831886 WITH THE MANUFACTURER. THE CONTACT IS AWARE OF THE SAFETY RISK INVOLVED DUE TO THE SPEEDOMETER, AND THE FAILURE OCCURRED FREQUENTLY. *AK
I HAD A CRASH, THE ENGINES GETS ACCELERATED LA INICION SE QUEDO ACELERADA CUANDO LE DI A LA PALANCA DE "DRIVE"
NOT ABLE TO CONTROL ACCELARATOR AT ALL SPEEDS ON ROUGH ROAD CONDITIONS OR BUMP AT INTERSECTIONS. *NM
NOT ABLE TO CONTROL ACCELERATOR PEDAL ON ROUGH OR BUMPY ROADS ALL SPEEDS SPRING TO LIGHT FOR CONTROL BY FOOT ON HD PICK UP MODELS. *JB
DT: WHEN THE CONSUMER PRESSES THE ACCELERATOR ALL THE WAY DOWN IT DOES NOT SPEED UP QUICKLY. IT IS A FEW MOMENTS BEFORE THE VEHICLE WILL SPEED UP. THIS PROBLEM HAS BEEN OCCURRING SINCE PURCHASE. THE PROBLEM IS WITH THE PASSING GEAR AND THE RESUME ON THE CRUISE CONTROL. THE PROBLEM OCCURS WHETHER OR NOT THE CRUISE CONTROL IS ON. WHEN THE CONSUMER CONTACTED THE MANUFACTURER, THEY TOLD HIM THAT IT WAS HOW THE VEHICLE WAS DESIGNED.*AK
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 May 4, 2026