2014 Gmc SIERRA 3500 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
7 owner complaints analyzed
3 distinct recall campaigns
68,000 mi median reported failure mileage
Scope: 2014 model year. Data snapshot: . 3 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Fuel/Propulsion System is the most frequently named component, appearing in 2 of 7 complaints (28.6%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 3 | 42.9% |
| Transmission and shifting | 2 | 28.6% |
| Fuel system concerns | 2 | 28.6% |
| Steering behavior | 1 | 14.3% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Fuel/Propulsion System | 2 |
| Vehicle Speed Control | 2 |
| Electrical System | 1 |
| Engine | 1 |
| Exterior Lighting | 1 |
| Power Train | 1 |
| Service Brakes | 1 |
| Steering | 1 |
Fuel/Propulsion System: 2; Vehicle Speed Control: 2; Electrical System: 1; Engine: 1; Exterior Lighting: 1; Power Train: 1; Service Brakes: 1; Steering: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 2 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 2; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
50,000 to 74,999 miles has the most reports with usable mileage (2). 4 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2021 | 2 |
| 2022 | 2 |
2015: 1; 2016: 1; 2018: 1; 2021: 2; 2022: 2
Pattern summary
Fuel/Propulsion System leads the component reports. Braking behavior appears in 3 complaint narratives. Transmission and shifting appears in 2 complaint narratives. Fuel system concerns appears in 2 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10721668 · 2015-05-27 (May 27, 2015)
TL* THE CONTACT OWNS A 2014 GMC SIERRA 3500. WHILE DRIVING APPROXIMATELY 60 MPH, THE VEHICLE UNINTENTIONALLY ACCELERATED WITHOUT WARNING. IN ADDITION, WHILE DRIVING 25 MPH, THE VEHICLE ACCELERATED UNINTENTIONALLY WHEN THE BRAKE PEDAL WAS DEPRESSED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 14,638.
Owner-reported narrative. 14,638 miles reported. Look up ODI 10721668 at NHTSA ↗
Owner report 10898735 · 2016-08-26 (August 26, 2016)
POWER STEERING FAILED WHILE DRIVING, BRAKES IMMEDIATELY LESS EFFECTIVE.
Owner-reported narrative. 72,000 miles reported. Look up ODI 10898735 at NHTSA ↗
Owner report 11492176 · 2022-11-03 (November 3, 2022)
Transmission control module failed. Reduced power to vehicle to first gear. Blinkers, speedometer door locks, and other Safety and driving devices did not work. Check engine turned on. Device is held at some gmc dealerships nationally however they will not sell the part to have the truck repaired.
Owner-reported narrative. Look up ODI 11492176 at NHTSA ↗
Owner report 11495337 · 2022-11-29 (November 29, 2022)
Transmission Control Module TCM failed while driving down the freeway I84 in Boise Idaho. AC Delco part number 24256861. This caused the truck to go into limp mode when at highway speed. While in limp mode the truck would not respond to throttle commands. Truck slowed to 20mph causing a disruption in traffic flow and making it very difficult to get off the freeway, dodging traffic. The TCM failure has been confirmed through a local GMC dealer (Dennis Dillon in Boise Idaho). The Manufacture (General Motors) has discontinued manufacturing this…
Owner-reported narrative. Look up ODI 11495337 at NHTSA ↗
Owner report 11071586 · 2018-02-07 (February 7, 2018)
GOT A RECALL ON DECEMBER 15, 2017 ABOUT THE SECOND GAS TANK ISSUE. ADVISED NOT TO FILL THE SECOND TANK BECAUSE IT CAUSE THE FRONT TANK TO EXPAND, RUB THE DRIVE SHAFT, AND CAUSE A LEAK AND POSSIBLE FIRE. THEY SAID THAT THEY WOULD NOTIFY WHEN PARTS ARE AVAILABLE. HAVE NOT HEARD ANYTHING BACK YET. IT HAS BEEN 2 MONTHS. WE TRAVEL LONG DISTANCES WITH THIS TRUCK AND NEED THE ADDED FUEL FROM THE SECOND TANK. THANK YOU
Owner-reported narrative. Look up ODI 11071586 at NHTSA ↗
Owner report 11440947 · 2021-11-18 (November 18, 2021)
CP4 High Pressure Fuel Pump failed/disintegrated causing metal shavings to be pumped through out the fuel lines, injectors and connected systems requiring a replacement of the pump, injector and fuel lines totaling over $11,000 in repairs. Trucks mileage was 94112 at the time.
Owner-reported narrative. Look up ODI 11440947 at NHTSA ↗