2014 GMC Sierra 1500 Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 858 verified NHTSA owner complaints, 9 federal safety recalls, and interquartile failure mileage telemetry.
The 2014 GMC Sierra 1500 receives a 4.1/10 MazicBay Reliability Index based on 858 verified NHTSA federal complaints and 9 safety recalls. The primary reported failure mode is Electric Power Steering Assist & Suspension Noise Reports with a median failure point at 47,000 miles (IQR: 29,000 – 65,500 mi). Out-of-warranty repairs benchmark at $450 – $1,400 .
33 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
9 Active / Free Remedies
Top Reported Problem Clusters (7)
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“The contact owns a 2014 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle jerked and pulled to the right. No warning lights were illuminated. In addition, the contact stated that while driving over a bump in the road, the vehicle lost ...”
“Truck shut off and would not turn back on. Negative battery cable so hot it burned skin off. Would not start, tried to start clicking sound, radio blipped for a moment.”
“hard shifting transmission and fluid smells burnt, shifts hard in the lower gears and reverse”
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“The vacuum pump has been recalled on same year, make and model vehicle, yet my particular VIN is falling to the wayside. IT HAS A VACUUM PUMP issue, causing the brakes to malfunction at slower rates of speed. A "computer programming recall" was applied to my VIN however it is ...”
“The contact owns a 2014 GMC Sierra 1500. The contact stated that while driving approximately 45 MPH, the vehicle drove over a slight bump in the road. The contact stated that the vehicle bounced, and then there was an abnormal banging sound coming from the rear of the vehicle....”
“The contact owns a 2014 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. No warning lights were illuminated. The contact stated that the brake pedal was depressed to ...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“Truck shut off and would not turn back on. Negative battery cable so hot it burned skin off. Would not start, tried to start clicking sound, radio blipped for a moment.”
“Starter went out and needed replaced. I know there is a recall on other models in the same year and mode;l but mine wasnt listed.”
“1. while driving slow or making a right hand turn the vehicle turns itself off 2. periodically the car does not start/no power and does not respond to keyless car lock 3. periodically the dashboard panel lights will not turn off, flash or some will go off but not all All of th...”
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“The contact owns 2014 GMC Sierra 1500. The contact software modification done at a transmission shop, affected the Active Fuel Management not allowing diagnostic. The manufacturer was not notified of the failure. The approximate failure mileage was 210,000”
“The contact owns a 2014 GMC Sierra 1500. The contact stated that while driving downhill, the vehicle failed to accelerate as intended while depressing the accelerator pedal. In addition, the vehicle felt as if it were in neutral. The tachometer gauge revved up independently. N...”
“6.2L Engine has well documneted problem with the valvetrane, I have had to fix it 2 times in 3 months. I have pictures and documents from servicing dealerships. Since my ownership, it has always been dealer-serviced. Unexpected catastrophic engine failure, which happened on a ...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“The contact owns a 2014 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle jerked and pulled to the right. No warning lights were illuminated. In addition, the contact stated that while driving over a bump in the road, the vehicle lost ...”
“I am experiencing ongoing issues with the 6L80E transmission that have significantly affected the performance and reliability of my vehicle. The transmission shifts harshly between gears, hesitates when accelerating, and occasionally slips before engaging. There is also a noti...”
“The contact owns 2014 GMC Sierra 1500. The contact software modification done at a transmission shop, affected the Active Fuel Management not allowing diagnostic. The manufacturer was not notified of the failure. The approximate failure mileage was 210,000”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“The vehicle’s frame has severely rusted to the point of structural compromise. My certified mechanic determined on December 10, 2024, that the frame could not pass the state safety inspection due to advanced corrosion. Welding is now required to restore structural integrity. T...”
“On my 2014 GMC, the front driver side seatbelt was not latching. We had to finagle to latch it. To which this point we were unsure that we were safe. So I brought the GMC to the GMC Rosedale dealership and after further investigation they charge me $522 to repair replace the b...”
“The passenger presence module does not work. The deal said if it was involved in a crash there would be a possibility the airbag on the passenger side would not go off because it can't register if someone is sitting in the seat or not.”
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
- Sudden loss of propulsion power at highway speeds
- Extended engine cranking / failure to restart
- Fuel odor near fuel tank / engine bay
“The contact owns a 2014 GMC Sierra 1500. The contact stated that while driving 30-40 MPH, the vehicle lost motive power, and RPM became raised. There was no warning light illuminated. The vehicle was taken to an independent mechanic, and was diagnosed with lower and upper fuel...”
“The contact owns a 2014 GMC Sierra 1500. The contact stated that while driving approximately 25-30 MPH, the power steering became inoperable. The check engine warning light was illuminated due to the fuel tank cap being missing. The contact stated that the failure was related ...”
“Vehicle engine sputters/stalls. I see there is a fuel pump recall on SOME 2014 GMC Sierra’s but mine is not on the list per your website.”
Official NHTSA Safety Recalls (9)
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
Summary: General Motors LLC (GM) is recalling certain 2015-2017 Cadillac Escalade, 2014-2018 Chevrolet Silverado, GMC Sierra, 2015-2018 Chevrolet Suburban, Tahoe, GMC Yukon vehicles. The amount of vacuum created by the vacuum pump may decrease over time.
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING
Summary: General Motors LLC (GM) is recalling certain 2015-2020 Chevrolet Suburban, Tahoe, and GMC Yukon, and 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with a 5.3-liter engine, a 3.08-ratio rear axle and four-wheel drive. If a wheel-speed sensor fails, while the vehicle is traveling between 41 and 60 mph in four-wheel or automatic mode, the Electronic-Brake Control Module (EBCM) software may activate the driveline-protection system.
EQUIPMENT
Summary: General Motors LLC (GM) is recalling certain 2009-2014 Chevrolet Silverado HD and GMC Sierra HD, 2009 GMC Topkick 5000, 6000, 7000 and 8000 Series and Isuzu F Series, and 2009-2018 Chevrolet Express, and GMC Savana vehicles, equipped with certain Plastic-Handle Fire Extinguishers or Push Button 'Pindicator' Fire Extinguishers. These extinguishers may become clogged, preventing the extinguisher from discharging as expected or requiring excessive force to activate the extinguisher. Additionally, in certain models, the nozzle may detach from the valve assembly with enough force that it could cause injury and also render the product inoperable. For a full list of the affected fire extinguisher models visit: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17E062-5427.pdf
AIR BAGS:FRONTAL
Summary: General Motors LLC (GM) is recalling certain model year 2015-2017 Chevrolet Silverado 2500 HD, 3500 HD, Tahoe, Suburban, GMC Sierra 2500 HD and 3500 HD, GMC Yukon, GMC Yukon XL, Cadillac Escalade and Cadillac Escalade ESV vehicles and 2014-2017 Chevrolet Corvette, Silverado 1500, Trax, Caprice Police Pursuit Vehicle, GMC Sierra 1500, Buick Encore, and 2014-2016 Buick Lacrosse, Chevrolet Spark EV and SS vehicles. In the affected vehicles, certain driving conditions may cause the air bag sensing and diagnostic module (SDM) software to activate a diagnostic test. During this test, deployment of the frontal air bags and the seat belt pretensioners would not occur in the event of a crash.
STEERING:ELECTRIC POWER ASSIST SYSTEM
Summary: General Motors LLC (GM) is recalling certain 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles. The vehicles may have a temporary loss of electric power steering (EPS) assist, especially during low-speed turning maneuvers.
SEAT BELTS
Summary: General Motors LLC (GM) is recalling certain model year 2014-2015 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks manufactured January 29, 2013, to January 21, 2015. While entering the vehicle, the seat belt tensioner cable may be positioned such that the driver slides over it. This movement may result in the fatigue and separation of the cable.
AIR BAGS:FRONTAL
Summary: General Motors LLC (GM) is recalling certain model year 2014-2016 Buick Lacrosse and Chevrolet Spark EV, Caprice PPV and SS vehicles, 2014-2017 Buick Encore and Chevrolet Corvette, Silverado 1500 and GMC Sierra 1500 vehicles, 2015-2016 Cadillac Escalade and Escalade ESV, Chevrolet Tahoe, Trax, Suburban and Silverado 2500 and 3500 and GMC Yukon and Yukon XL vehicles, and 2015-2017 GMC Sierra HD 2500 and 3500 vehicles. While being previously remedied for recall 16V-651, the affected vehicles may not have received the complete software update necessary to remedy the recall condition. Without the update, certain driving conditions may cause the air bag sensing and diagnostic module (SDM) software to activate a diagnostic test. During this test, deployment of the frontal air bags and the seat belt pretensioners would not occur in the event of a crash.
SEAT BELTS:FRONT
Summary: General Motors, LLC (GM) is recalling certain 2014-2016 Chevrolet Silverado 1500, 2015-2016 Chevrolet Tahoe, and 2014-2015 GMC Sierra 1500 vehicles that may have received an incorrect replacement tensioner cable assembly as part of a previous recall remedy or a subsequent repair. The flexible steel cable connecting the driver's seat belt to the outboard side of the seat may be repeatedly bent over the seat side shield as the driver enters and exits the vehicle causing the cable to fatigue and separate.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Summary: General Motors is recalling certain 2014 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles, and 2015 model year Cadillac Escalade and Escalade ESV; Chevrolet Silverado HD; and GMC Sierra HD, Yukon, and Yukon XL, equipped with a 4.3L engine or 5.3L engine.
Pre-Purchase Inspection Checklist for 2014 GMC Sierra 1500
Before purchasing a used 2014 GMC Sierra 1500, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 9 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2014 GMC Sierra 1500
Is the 2014 GMC Sierra 1500 a reliable used car?
The 2014 GMC Sierra 1500 earns a 4.1/10 MazicBay Reliability Index based on 858 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2014 GMC Sierra 1500?
The leading complaint category is Electric Power Steering Assist & Suspension Noise Reports, with a median failure point around 47,000 miles (IQR: 29,000 – 65,500 mi).
Are there free recall repairs available for the 2014 GMC Sierra 1500?
Yes, the NHTSA records 9 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.