2014 GMC Sierra 1500

Problems, recalls and owner-reported issues

Exterior lighting is the leading concern among 859 owner complaints filed for this model year. This is the highest complaint count among 26 Sierra 1500 model years with reports.

Complaints by model year
  1. 859

Of the 2014 reports, 29 involved a crash and 9 involved a fire. 24 people were injured and 1 person died.

Primary concernExterior lighting212 reports · 25% of complaints
Owner complaints859Filed with NHTSA
Recall relationship9 safety recallsNHTSA campaign records

What owners report most often

  1. Exterior lighting212
  2. Steering162
  3. Service brakes149
  4. Electrical system138
  5. Other or unspecified97
  6. Power train80
  7. Engine79
  8. Electronic stability control (ESC)58

Recalls and investigations

  1. Seat belts, frontApr 8, 2021

    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.

    A broken pretensioner cable reduces the effectiveness of the driver's seat belt, increasing the risk of injury.

    GM will notify owners, and dealers will replace the driver seat belt lap pretensioner, free of charge. The recall began on May 5, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020, and GMC customer service at 1-800-462-8782. GM's number for this recall is N212330040.

    Campaign 21V245000 on NHTSA.gov

  2. Service brakes, hydraulic, antilock/traction control/electronic limited slip, wheel speed sensor/tone ringOct 24, 2019

    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.

    Unintended activation of the driveline-protection system will cause unintended braking on the wheel on the opposite side of the failed sensor, causing the vehicle to pull to one side unexpectedly, increasing the risk of a crash.

    GM will notify owners, and dealers will reprogram the EBCM, free of charge. The recall began December 11, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438 or GMC customer service at 1-800-462-8782. GM's number for this recall is N192261050.

    Campaign 19V761000 on NHTSA.gov

  3. Service brakes, hydraulic, power assist, vacuumSep 6, 2019

    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.

    As the vacuum level drops, the brake assist decreases, increasing braking effort, extending the distance required to stop the vehicle, thereby increasing the risk of a crash.

    GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began October 8, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782. GM's number for this recall is N192268490.

    Campaign 19V645000 on NHTSA.gov

  4. EquipmentApr 26, 2018

    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

    In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.

    GM will notify owners, instructing them to contact Kidde to get a replacement fire extinguisher, free of charge. The recall began June 11, 2018. Owners may contact Chevrolet customer service at 1-800-222-1020, GMC customer service at 1-800-462-8782, and Isuzu customer service at 1-866-441-9638. GM's number for this recall is 18146.

    Campaign 18V267000 on NHTSA.gov

  5. Air bags, frontalJul 10, 2017

    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.

    A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessitating deployment increases the risk of injury to the driver and front passenger.

    GM will notify owners, and dealers will reflash the SDM software. Vehicles that have had a previous air bag deployment will have the SDM replaced. These repairs will be performed free of charge. The recall began on August 4, 2017. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 17287.

    Campaign 17V437000 on NHTSA.gov

  6. Steering, electric power assist systemJun 29, 2017

    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.

    If EPS assist is lost and then returns, the driver might lose temporary control of the steering wheel, increasing the risk of a crash.

    GM will notify owners, and dealers will update the EPS module software, free of charge. The recall began on August 10, 2017. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-432-8782. GM's number for this recall is 17276.

    Campaign 17V414000 on NHTSA.gov

  7. Air bags, frontalSep 8, 2016

    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.

    A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessitating deployment increases the risk of injury to the driver and front passenger.

    GM will notify owners, and dealers will reflash the SDM software. Vehicles that have had a previous air bag deployment will have the SDM replaced. These repairs will be performed free of charge. The recall began on October 13, 2016. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 16007.

    Campaign 16V651000 on NHTSA.gov

  8. Seat beltsApr 12, 2016

    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.

    If the tensioner cable separates, the driver may not be properly restrained in the event of a crash, increasing their risk of injury.

    GM will notify owners, and dealers will modify the vehicles to prevent the tensioner from being damaged. Any tensioner that has already been damaged will be replaced, free of charge. The recall began on August 11, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is 15822.

    Campaign 16V209000 on NHTSA.gov

  9. Engine and engine cooling, exhaust systemJan 13, 2014

    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.

    The overheated exhaust components may melt nearby plastic parts and may result in an engine fire.

    General Motors will notify owners, and dealers will reprogram the engine control module, free of charge. The recall began on January 16, 2014. Owners may contact Chevrolet at 1-800-222-1020 and GMC at 1-800-462-8782. General Motors' number for this recall is 14008.

    Campaign 14V007000 on NHTSA.gov

Representative owner complaints: power train

80 reports, newest first. Show all

  1. Power train, Electrical system, Vehicle speed control, Jan 28, 2019

    I WAS DRIVING ON THE INTERSTATE AND A MESSAGE STATING "SERVICE STABILITRACK" MESSAGE APPEARS SIMULTANEOUSLY WITH THE CHECK ENGINE LIGHT AND SERVICE TRACTION CONTROL, THE CAR LOSES THE ABILITY TO ACCELERATE AND MAINTAIN SPEED. I KEPT DRIVING BECAUSE THERE WAS NO SAFE PLACE TO STOP, AND AFTER A FEW MILES THE DOOR LOCKS UNLOCKED THEN LOCKED, THE INFO SCREEN FLASHED AND THEN THE ENGINE REVVED AND APPEARED TO DRIVE NORMALLY. SEVERAL MILES LATER IT HAPPENED AGAIN, OVER AND OVER. WHEN I REACHED MY NIEGHBORHOOD THE CAR COMPLETELY POWERED OFF.

  2. Power train, Jan 11, 2019

    WHWN DRIVING ON HIGHWAY AT 60 MPH - TRIED TO PASS ACCIDENT SCENE TRUCK TAC STARTED REVING. SPEED DROPPED TO 25-30 MPH. PUSHING ACCELORATOR ONLY REVED THE ENGINE MORE WITH NO INCREASE IN SPEED. BURNING SMELL. DEALER UNABLE TO FIND CAUSE. HAPPENED TWICE.

  3. Power train, Service brakes, Engine, Jan 10, 2019

    WHILE SLOWING DOWN AT TRAFFIC TRUCK FELT LIKE IT WAS SUPER HEAVY AND KEPT GOING, BRAKE PEDAL GOT HARD AND COULD NOT PRESS DOWN. AC WENT OUT ON ME TWICE DO TO BAD COMPRESSOR AND HAD TO REPAIR AT DEALER. TRANSMISSION KNOCKS WHEN SLOWING DOWN AND HARD SHIFTS LIKE ITS GOING TO BREAK. ALSO VISIBILITY IS POOR ON VEHICLE WHEN DRIVING AT NIGHT AS THE LIGHT ARE VERY DIM. HAD TO BUY ALTERNATE LIGHTS BUT STILL DIM.

  4. Power train, Nov 9, 2018

    MY 2014 GMC SIERRA PRESSURE CONTROL SOLENOID WENT BAD. TOOK IT TO KNIGHT AUTOMOTIVE, INC., IN PLATTSBURGH, NY FOR REPAIR. AFTER REPAIR I DROVE HOME ONLY TO BE TOLD BY BILL DELORD GMC IN LEBANON, OH - AND BOERCHERDING GMC IN CINCINNATI, THAT THE ENTIRE TRANSMISSION WAS DESTROYED. KNIGHT PUT MY FAMILY AT RISK BY IMPROPERLY REPAIRING MY VEHICLE.

  5. Power train, Structure, Wheels, Nov 2, 2018

    FOR OVER 45K MILES I HAVE COMPLAINED OFF A VIBRATION COMING FROM THE REAR OF MY GMC SIERRA AT 65 TO 75 MILES PER HOUR. MY SUPPORTING DEALER THAT I PURCHASED IT FROM CAN'T FIND THE PROBLEM AND IS MOST LIKELY OUT OF BUSINESS.THIS IS AN ONGOING ISSUE. RECENTLY I WENT UNDER THE TRUCK TO FIND THE ENTIRE FRAME IS RUSTED FROM THE GAS TANK BACK TO THE REAR OFF THE VEHICLE AROUND THE SPARE TIRE AND ELSEWHERE. WHATS WRONG WITH GM MANUFACTURING, ARE THEY THAT CHEAP, THAT NO PAINT IS PLACE ON THE FRAME. ADDITIONALLY THE CHROME WHEELS THAT CAME WITH THE VEHICLE ARE CORRODING YET ANOTHER CHEAP PROCESS THAT GM REFUSES TO ADDRESS. MIND YOU I HAVE ALWAYS FIXED AND REPAIRED MY OWN VEHICLES. I HAVE WASHED THIS VEHICLE SO MUCH BY USING A COLD WATER HOSE UNDER THE VEHICLE AND THE TOP AS WELL TO GET THE SALT AND BRINE USED BY THE NORTHERN STATES OFF THE CAR AND YET I STILL GET THE CORROSION. HOW DO I GET GM. TO FIX THE WRONGS THEY HAVE PRODUCED.

  6. Power train, Oct 30, 2018, crash

    TL* THE CONTACT OWNS A 2014 GMC SIERRA 1500. THE CONTACT STATED AFTER PARKING ON A BOAT RAMP AND EXITING THE VEHICLE, THE NOTICED THAT THE VEHICLE HAD STARTED TO ROLLAWAY. THE CONTACT STATED HE JUMPED BACK INTO THE VEHICLE AND DEPRESSED THE BRAKE PEDAL BUT THE VEHICLE ROLLED INTO A TREE. THE CONTACT STATED THAT THE HAD TO BE TOWED UP THE INCLINE TO THE ROADWAY. THE CONTACT MENTIONED THAT THE FAILURE HAD OCCURRED TWICE AS THE VEHICLE WAS PLACED IN PARK BUT ROLLED AWAY. THE VEHICLE WAS TAKEN TO THE DEALER BOUCHER CHEVROLET (1907 E MORELAND BLVD, WAUKESHA, WI 53186) THE DEALER COULD NOT DUPLICATE THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND A COMPLAINT NUMBER: 8-4691104286 WAS FILED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 70,000. THE VIN WAS NOT AVAILABLE.

  7. Power train, Structure, Engine, Oct 27, 2018

    I PURCHASED MY VEHICLE BRAND NEW IN ORDER TO AVOID UNEXPECTED EXPENSES THAT ONE SOMETIMES INQUIRE WHEN WE PURCHASE A USED VEHICLE. HOWEVER, THE TRUCK HAS GIVEN ME NOTHING BUT MECHANICAL ISSUES I'VE HEAD ENGINE POWER LOSS PROBLEMS, HAVE GONE THROUGH TWO AIR CONDITIONER MAJOR ISSUES, RADIATOR GONE BAD, TRANSMISSION GO OUT AND THE MOST RECENT MY ROOF STARTED TO LEAK. AS I DID MORE RESEARCH I CAME TO DISCOVER THAT I AM NOT THE ONLY CUSTOMER IN THIS PREDICAMENT THERE ARE SEVERAL OTHERS. I'M REACHING OUT TO FOR ASSISTANCE IN REGARDS TO THESE MATTERS, SOMETHING HAS TO BE DONE GMC HAS TO TAKE RESPONSIBILITY FOR FAULTY VEHICLES IF THAT'S IS THE CASE. THEY ONLY GIVE THE GO AROUND TO CUSTOMERS LIKE MYSELF THAT ON TOP OF HAVING A CAR PAYMENT WE HAVE TO SOMEHOW PAY HIGH MECHANICAL BILLS FOR ISSUES THAT SHOULD NOT BE ACCRUING TO NEW VEHICLES.

  8. Power train, Electrical system, Sep 30, 2018

    TAKATA RECALL, THE AUTOMATIC LOCKS KEEPS LOCKING AND UNLOCKING ON THEIR OWN,WHETHER IT'S PARKED OR DRIVING. TAKATA RECALL, THE TRANSMISSION SHUTTERS AND ROUGH SHIFTING WHEN SLOWING DOWN OR TAKING OFF,HOWEVER THE WORST SEEMS TO BE WHEN SLOWING DOWN

  9. Steering, Power train, Electrical system, Exterior lighting, Air bags, Seat belts, Structure, Electronic stability control (ESC), Engine, Fuel/propulsion system, Feb 5, 2018, crash

    I TEMPORARILY HAD NO CONTROL OVER THE VEHICLE CAUSING ME TO HAVE AN ACCIDENT. WHILE DRIVING DOWN A RESIDENTIAL STREET APPROACHING A STOP SIGN INTERSECTION I MERGED INTO THE CENTER OF ST TO PASS A TRASHCAN AND IN THE PROCESS OF RETURNING TO MY CORRECT POSITION ON THE ROAD I SUDDENLY HAD NO STEERING. PANICKING FROM THE LOSS I PRESSED MY BRAKES AN ATTEMPT TO BRING VEHICLE TO A STOP BUT WAS UNSUCCESSFUL BECAUSE THE TIRES BEGAN A SLIDE ONCE NOTICING THE TRACTION LOSS I PROCEEDED TO RELEASE BRAKES AND REAPPLY IN HOPES OF GAINING TRACTION THE BRIEF RELIEF FROM BRAKES CAUSED THE VEHICLE TO REGAIN TRACTION AND WHILE I STILL HAVE NO CONTROL OVER STEERING, THE VEHICLE JERKS TOWARDS THE RIGHT SIDE OF THE ROAD AND THE BRAKES BEING REAPPLIED THE VEHICLE CONTINUES TO SLIDE OFF PAVEMENT MAKING CONTACT WITH STOP SIGN AND TELEPHONE POLE.

  10. Power train, Jan 30, 2018

    TL* THE CONTACT OWNS A 2014 GMC SIERRA 1500. WHILE DRIVING APPROXIMATELY 25 MPH DOWNHILL WITH THE ACCELERATOR PEDAL RELEASED, THE VEHICLE WENT OUT OF GEAR AND HAD NO ACCELERATION. THE CONTACT HAD TO SWITCH TO NEUTRAL AND THEN TO DRIVE IN ORDER FOR THE VEHICLE TO PERFORM NORMALLY. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE CONTACT ALSO STATED THAT THE FAILURE ONLY OCCURRED WHEN THE VEHICLE WAS TRAVELING BELOW 30 MPH AND WITH THE FOOT OFF THE ACCELERATOR AND BRAKE PEDALS. THE FAILURE OCCURRED FOUR TIMES. THE VEHICLE WAS TAKEN TO THE DEALER (WEST BROTHERS GMC/CHRYSLER IN SULLIVAN, MISSOURI) FOUR TIMES, BUT THEY WERE NOT ABLE TO REPLICATE THE FAILURE. THE MANUFACTURER WAS NOTIFIED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 71,000.

  11. Power train, Mar 28, 2017

    TL* THE CONTACT OWNS A 2014 GMC SIERRA 1500. WHILE SLOWING DOWN AT A STOP SIGN AT 12 MPH, THE VEHICLE INDEPENDENTLY SHIFTED TO A LOWER GEAR AND MADE A CLUNKING SOUND. THE FAILURE RECURRED MULTIPLE TIMES. THE VEHICLE WAS TAKEN TO A DEALER, BUT NO FAILURES WERE FOUND. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 25,000.

  12. Power train, Jan 13, 2017

    TL* THE CONTACT OWNS A 2014 GMC SIERRA 1500. WHILE DRIVING APPROXIMATELY 40 MPH, AN ABNORMALLY LOUD BANGING NOISE WAS HEARD FROM THE FRONT END OF THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER, BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 2,000. UPDATED 03/07/17*LJ *CN

  13. Power train, Exterior lighting, Oct 25, 2016

    HEADS LIGHTS ARE SO DIM I CANT DRIVE THE TRUCK AT NIGHT ALSO THE IS A BAD VIBRATIONS COMING FROM THE REAR END.

  14. Power train, Vehicle speed control, Service brakes, Jul 27, 2016

    INTERMITTENTLY, WHEN APPLYING THE BRAKES TO STOP FOR A RED LIGHT, THE ENGINE WANTS TO KEEP THE VEHICLE GOING AT THE SAME SPEED AND FIGHTS THE BRAKE SO THE VEHICLE CANNOT STOP. SHIFTING THE GEAR SHIFT INTO NEUTRAL ALLOWS THE BRAKES TO WORK BUT THE ENGINE RPM REVS UP TO 2500 RPM FOR ABOUT 15 SECONDS BEFORE DROPPING TO IDLE. IF THE DRIVER DIDN'T APPLY THE BRAKES HARD ENOUGH OR SHIFT INTO NEUTRAL, THE VEHICLE WOULD OVERPOWER THE BRAKES AND DRIVE INTO ANYTHING AHEAD. ANALOGY: IT ACTS AS IF THE CRUISE CONTROL WAS ON (AND IT'S NOT) AND TRIED TO KEEP THE SAME FORWARD SPEED NO MATTER THE BRAKE APPLICATION. DEALER CANNOT REPRODUCE THE PROBLEM, NO ALERT WARNING LIGHT. SOME TIMES, GOING AT HIGHWAY SPEED, TAKING FOOT OFF ACCELERATOR AND EXPECTING VEHICLE TO START SLOWING DOWN, IT STAYS AT SAME SPEED FOR ABOUT 15 SECONDS BEFORE DROPPING RPMS. THIS HAS BEEN HAPPENING, INTERMITTENTLY, FOR A FEW MONTHS.

  15. Power train, Jul 6, 2016

    THE TRACTION CONTROL IS NOT WORKING. ON WET PAVEMENT IT SPINS SIDEWAYS OUT OF CONTROL. DEFINITELY A SAFETY ISSUE ACKNOWLEDGED BY THE DEALER BUT AFTER 5 STRAIGHT WEEKS OF WORKING ON THE PROBLEM, GM SAYS IT'S NORMAL. THIS WILL GET SOMEONE KILLED.

  16. Power train, Jun 15, 2016

    I HAVE TAKEN MY TRUCK INTO THE DEALER 3 TIMES FOR CLUNKING DURING SHIFTING AND LOSING POWER BETWEEN 30-45 MPH WHEN ATTEMPTING TO ACCELERATE IN TRAFFIC. I HAVE BEEN TOLD BY THE DEALER THAT GMC SAYS THIS IS NORMAL FOR MY TRUCK. IT IS NOT NORMAL FOR THESE PROBLEMS. I HAVE RESEARCHED THIS ISSUE ON THE INTERNET AND IT HAS BEEN IDENTIFIED AS A PROBLEM WITH THE ACTIVE FUEL MANAGEMENT SYSTEM CONTROLLED BY THE COMPUTER MODULE TO ACHIEVE EXPECTED GAS MILEAGE DEMANDED BY THE GOVERNMENT. I PAID $42,000 DOLLARS FOR THIS TRUCK BRAND NEW. I SHOULDN'T BE HAVING THIS OCCUR. I OWNED A 1995 GMC EXTENDED CAB THAT IS STILL ON THE ROAD WITH 215,000 MILES. THIS TRUCK HAS ONLY 23,000 MILES AFTER 2 YEARS OF OWNERSHIP.

  17. Power train, Electrical system, Jun 6, 2016

    TL* THE CONTACT OWNS A 2014 GMC SIERRA 1500. WHILE THE VEHICLE WAS IN THE PARK POSITION, THE FOUR WHEEL DRIVE SERVICE LIGHT ILLUMINATED WITHOUT WARNING. THE CONTACT WAS UNABLE TO DISABLE THE FOUR WHEEL DRIVE. THE VEHICLE WAS TAKEN TO BE DIAGNOSED BY A DEALER, BUT THE ISSUE RECURRED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 20,000.

  18. Power train, Wheels, Other or unspecified, Sep 17, 2015

    VEHICLE HAS SHUDDER, WOBBLE AND VIBRATION WHEN BEING DRIVEN AT SPEEDS 40-80. GMC HAS DIAGNOSED AS A TIRE ISSUE BUT VEHICLE HAS BEEN SEEN 14+ TIMES AND TIRES HAVE ALL BEEN ROAD FORCE BALANCED, NUMEROUS TIMES. GMC REFUSES TO DIAGNOSE FURTHER AND HAS NOT IDENTIFIED THE CAUSE OF THE PROBLEM. VIBRATION HAS AFFECTED OTHER COMPONENTS. COMMONLY REPORTED PROBLEM AFFECTING 2014 GMC SIERRA TRUCKS BASED ON INTERNET SEARCH.

  19. Steering, Power train, Jan 26, 2015

    THE PART BROKE IN HALF AT LOW SPEED WHILE I WAS DRIVING IN A CONSTRUCTION AREA (MY OWN DRIVEWAY BEING INSTALLED) I HIT SOMETHING AND THE METAL CASING OF THE AXLE WHERE IT ATTACHES TO THE FRONT DIFF. BROKE IN HALF. I AM 60 YEARS OLD MY WIFE WAS IN THE TRUCK I WAS GOING SO SLOW THE SPEEDOMETER WAS ON 0. THE DEALER SAID THE PART WAS CRACKED BY THE IMPACT. THIS IS SUPPOSED TO BE A HEAVY DUTY 4X4 P/U, IF I WAS GOING AT 40 MPH OFF ROAD WHAT WOULD HAVE BROKE AND WHAT WOULD HAVE BEEN THE RESULT? I THINK THE METAL OF THE CASING WAS FLAWED AND I AM AFRAID TO KEEP THE TRUCK. THE DEALER SAID THIS ISN'T A WARRANTY ISSUE I HAD TO PUT A CLAIM INTO MY INS. THIS IS NOT ONLY A CONCERN FOR SAFETY BUT FOR FINANCES AS WELL. I PAID $44,000. CASH FOR THIS TRUCK, IT IS THE SIERRA SLT NOT ONLY A 4X4 BUT IT HAS 20" RIMS FOR ADDED HEIGHT. THIS WAS NOT HIT HARD ENOUGH TO CRACK A STEEL CASING. THE TRUCK IS AT A GMC/BUICK DEALER IN MOUNT DORA FL. THEY SAID IT MIGHT TAKE AWHILE TO FIND THE PARTS TO FIX IT. I DO NOT THINK GMC MAKES CHEAP TRUCKS OR DANGEROUS TRUCKS BUT I THINK AFTER THIS GETS FIXED I WILL BE LOOKING INTO TRADING IT. *TR

  20. Power train, Fuel/propulsion system, Jan 18, 2015

    THE TRUCK WAS AVERAGING ABOUT 20 MPG BUT SHIFTING ERRATICALLY LIKE IT COULDN'T DECIDE WHAT GEAR TO BE IN. AFTER USING THE 4WD THE FIRST TIME THE MPG DROPPED OFF TO ABOUT 17 AND HAS BEEN DECLINING STEADILY CURRENTLY I GET 14 TO 15 MPG AND DRIVE 150 MILES PER DAY MOSTLY HIGHWAY. I HAVE TAKEN IT BACK TO THE DEALER TWICE THEY SAID THE COMPUTER COULDN'T GET USED TO MY DRIVING STYLE AND REPROGRAMMED THE COMPUTER. WHEN I TOOK IT BACK ABOUT THE MILEAGE A GUY CAME OUT AND SAID HE COULD TELL IF SOMETHING WAS STUCK AND SWITCHED THE 4WD A FEW TIME AND SAID IT WAS FINE. MY MPG IS GETTING WORSE AND IT SLAMS IN AND OUT OF GEAR 2-3 TIMES IN A MATTER OF SECONDS WHILE SUSTAINING A STEADY HIGHWAY SPEED ON A FLAT SURFACE. *TR

  21. Steering, Power train, Jan 13, 2015

    MY VEHICLE STARTED WITH A VIBRATION ON OR AROUND 12,000 MILES. THE VIBRATION SLOWLY INCREASED AS TIME WENT ON. I MADE APPOINTMENT WITH THE DEALERSHIP WHERE THE VEHICLE WAS PURCHASED.(CAPITALAND MOTORS) AT THIS TIME THE VIBRATION WAS STRONG ENOUGH TO VIBRATE THE BACK WINDOW. IT WOULD START AT 30MPH AND GET WORSE AT 45MPH. THE MECHANIC CHECKED BALANCE AND ROAD FORCE THE TIRES. BUT TOLD ME THAT THE VIBRATION WAS NORMAL AND HE COULD FIX MY BACK WINDOW. I CALLED GMC AND FILED A COMPLAINT. THEY TOLD ME TO TAKE IT TO ANOTHER DEALERSHIP. I DID ON 11/25/14. THIS TIME I TOOK IT TO GOLDSTEIN BUICK-GMC. THEY COULD FEEL THE VIBRATION IN THE STEERING WHEEL AND SEAT. THEY CHECK TIRES AGAIN. THEY FELT IT WAS THE TIRES AND WANTED ME TO BUY NEW ONES. TOLD ME THE TIRES WERE NOT UNDER WARRANTY. THAT DAY I CALLED GOODYEAR AND FOUND OUT MY TIRES WERE UNDER WARRANTY, THEY WOULD BE PRORATED. GOODYEAR CHECK MY TIRES AND THEY ARE FINE. AT THIS TIME NO ONE CAN FIND THE PROBLEM AND I FEEL IT HAS BECOME A SAFETY ISSUE. THE VIBRATION IS REALLY STRONG AND GETTING WORSE AND THEY HAVE NO ANSWER. *TR

  22. Power train, Dec 22, 2014

    DRIVING DOWN THE ROAD APROX 45- 50 MPH TRANSMISSION KICKED INTO NEUTRAL CAUSING VEHICLE TO SLOW DOWN SUDDENLY ,ALMOST GOT REAR ENDED DUE TO SUDDEN SLOW DOWN . NO WHERE TO PULL OVER , AFTER LETTING OFF THE GAS KICKED INTO GEAR AND GOT IT HOME. *TR

  23. Suspension, Power train, Oct 20, 2014

    EXCESSIVE VIBRATION AT HIGHWAY SPEEDS. MANUFACTURER IS AWARE BUT HAS NO SOLUTION. *TR

  24. Steering, Power train, Seats, Oct 1, 2014

    I HAVE HAD MY TRUCK BACK THE DEALERSHIP 8 TIMES FOR THE SAME PROBLEM A VIBRATION THAT YOU CAN FEEL IN THE SEAT STEERING WHEEL AND GAS PEDAL, THEY HAVE HAD THE FACTORY ENGINEERS OUT THREE TIME AND LOOKED AND WORKED ON IT, FIRST TIME THE ENGINEER DID A COUPLE OF THINGS AND SAID THAT IT WAS UP TO FACTORY SPECS AND THAT WAS ALL HE COULD DO, I DROVE IT HOME AND BEFORE I WAS A BLOCK AWAY I COULD TELL THAT THEY DID NOT FIX IT, WHEN I GOT HOME I CALLED THE DEALER BACK AND TOLD HIM SO HE CALLED GM AND THE NEXT WEEK THEY SENT OUT THE SAME GUY AND THIS TIME HE WORKED ON 5 OR 6 OTHER THINGS THAT HE DID NOT WORK ON THE FIRST TIME AFTER TELLING ME THEY DID ALL THEY COULD DO THE FIRST TIME. RIGHT THERE TELLS YOU THEY ARE LYING IF THERE WAS NOTHING THEY COULD DO WHY COME BACK AND WORK ON IT AGAIN! BUT AFTER HE GOT DONE IT WAS JUST LIKE IT WAS, I WILL TRY TO LIST SOME OF THE STUFF THAT THEY SAID THEY DID, 1) ROTATED THE TIRES 2) RE-TORQUE THE WHEELS 3) BALANCED THE TIRES 4) BALANCED THE DRIVE SHAFT 5) SHIMMIED THE REAR END 6) CHECKED THE REAR SHOCKS 7) TOOK OFF DEALER INSTALLED MUD FLAPS! 8) CHECKED THE EXHAUST SYSTEM, I KNOW BUT THEY DID 9) ROAD FORCED TESTED THE TIRES TWICE AND REPLACED TWO THE SECOND TIME AND RE-BALANCED THE TIRES. AND I'M SURE I HAVE NOT LISTED ALL THEY HAVE TRIED, AND STILL I HAVE THE SAME PROBLEM, THIRD TIME THE ENGINEER CAME OUT HE HAD THE REGIONAL MANAGER WITH HIM AND THIS TIME THEY DROVE MY TRUCK AND 2 OTHERS THEY HAD ON THE LOT AND SAID THAT THEY ARE SIMILAR TO MINE AND THEY WAS NOT GOING TO DO ANY MORE TO MY TRUCK THAT THEY HAD DONE ALL THEY COULD OR WOULD DO BUT IF I HAD ANY OTHER PROBLEMS TO BRING IT BACK. *TR

  25. Steering, Power train, Electrical system, Exterior lighting, Tires, Engine, Jun 30, 2014

    2014 GMC SIERRA. CONSUMER WRITES IN REGARDS TO VEHICLE ELECTRICAL PANEL FROZE WHILE DRIVING. *SMD ALSO, THE POWER STEERING LOCKED UP, THE HEADLIGHTS DID NOT WORK PROPERLY AND THE ALARM SOMETIMES SOUNDED AFTER THE WAS REMOVED FROM THE IGNITION. ALSO, THE ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER TWICE. HOWEVER, THE PROBLEM WAS STILL NOT RESOLVED. THERE WAS A HESITATION/LURCH COMING FROM THE TRANSMISSION, AND AN ISSUE WITH THE TIRE PRESSURE MONITORING SYSTEM. THE INSTRUMENT PANEL MALFUNCTIONED ON THE WAY BACK FROM THE DEALER. THE CHECK ENGINE LIGHT, ILLUMINATED SPORADICALLY. UPDATED 07/10/14 THE CONSUMER STATED THERE WAS A STEERING ISSUE, AS WELL. THE DEALER WAS UNABLE TO REPLICATE THE PROBLEMS. UPDATED 08/06/14