2015 GMC SIERRA 3500 Complaints

View complaints related to 2015 GMC SIERRA 3500. The complaints found here are submitted by actual consumers with first hand experience. There are more than 30 complaints submitted for the 2015 GMC SIERRA 3500. You can submit your own complaint to the NHTSA or call the Hotline, Monday-Friday 8am to 8pm at (888) 327-4236, TTY: (800) 424-9153.

  • 2015 GMC SIERRA 3500
    - PARK CITY, UT

    THIS VEHICLE HAS HAD NUMEROUS ELECTRICAL ISSUE FROM THE FIRST FEW MONTHS OF OWNERSHIP. THE TRAILER BRAKE SYSTEM FAILED AND WAS REPLACED ON OCTOBER 2014. THE VEHICLE HAS HAD MANY RECALLS THAT HAVE BEEN CORRECTED BY OWNER AND SERVICE PROVIDER. THE SECOND SUMMER OF OWNERSHIP THE VEHICLE HAD RADIATOR ISSUES, AND MOST RECENTLY ELECTRICAL ISSUES AGAIN AND TRANSMISSION ISSUES. WHILE DRIVING THE VEHICLE ELECTRICAL DASHBOARD GOES INTO A FLICKER AND SHUTS DOWN. GMC WAS ABLE TO FIX THIS ISSUE AT THE OWNERS COST WITH THE VEHICLE BEING OUT OF SERVICE FOR 3 WEEKS. GMC WAS TO REIMBURSE THE OWNER FOR COSTS OF A GM DEALER THAT WAS NOT ABLE TO FIX THE ISSUE (PAINTER AUTOMOTIVE)(FEBRUARY 9, 2017) OF $300, THIS HAS NOT BEEN REIMBURSED. THE VEHICLE IS NOW AT THE SERVICE STATION AS IT DOES NOT START WITH NO CODES. IT HAS BEEN OUT OF SERVICE FOR 2 WEEKS AND COUNTING, THIS VEHICLE IS NO LONGER RELIABLE OR SAFE FOR US TO DRIVE. WE HAVE DOCUMENTATION OF ALL THE ISSUES AND VIDEO OF THE DASHBOARD FLICKER.

    Source: NHTSA WEB SITE
  • 2015 GMC SIERRA 3500
    - VANCOUVER, WA

    LIGHTING IS VERY POOR, HARD TO SEE AT NIGHT. IT'S NOT SAFE TO DRIVE IT AT NIGHT. WHEN IT'S RAINING IF HEADLIGHTS ON ITS FOGGING UP FROM INSIDE.

    Source: NHTSA WEB SITE
  • 2015 GMC SIERRA 3500
    - SHELBY, OH

    MY VEHICLE IS BEING HACKED AND CONTROLLED BY OTHER DRIVERS USING CELL PHONES TO GAIN ACCESS TO MY VEHICLE WHILE DRIVING! , AND WHEN PASSING OR SITTING IN TRAFFIC! THIS HAS BEEN GOING ON FOR OVER SIX MONTHS NOW, EVERY DAY! ALL DAY LONG!! HAVE CONTACTED GMC OVER AND OVER, HAVE BEEN TO THEIR SHOPS OVER AND OVER! , THEY LAUGH AT ME , AND TELL ME NOTHING IS WRONG EVERY TIME. FCC, ONSTAR, S. XM RADIO, ALL REFUSE TO HELP ME WITH THIS PROBLEM, OVER AND OVER , MY VEHICLE STARTS TO SMOKE WHEN THEY ARE DOING THIS, THEY ARE BESIDE ME LAUGHING WITH THEIR CELL PHONES IN HAND. I AM GOING TO RECORD THIS AND THEN FILE SUIT AGAINST EVERY ONE OF THEM!!!!

    Source: NHTSA WEB SITE
  • 2015 GMC SIERRA 3500
    - NORTON SHORES, MI

    I AM AFRAID TO DRIVE AT NIGHT BECAUSE THE HEAD LIGHTS ARE TERRIBLE. I COULDN'T SEE THE TIRE CARCASS LEFT ON THE HIGHWAY EARLY ENOUGH TO SWERVE AROUND IT. I HIT IT WITH THE REAR WHEEL AND DID APPROX. 6000.00 DOLLARS DAMAGE TO THE VEHICLE.

    Source: NHTSA WEB SITE
  • 2015 GMC SIERRA 3500
    - GARDNERVILLE, NV

    HEADLIGHTS DO NOT PROVIDE SUFFICIENT ILLUMINATION TO SEE THE ROAD. VERY DANGEROUS TO DRIVE AT NIGHT.

    Source: NHTSA WEB SITE
  • 2015 GMC SIERRA 3500
    - MARINE CITYY, MI

    1ST INCIDENT VEH DIDN'T SWITCH FROM 4 TO 2WD, STOP VEH, WORK SWITCH, WENT TO 2WD. SAME TIME DRIVER SEAT WENT FULL FORWARD, SEAT BACK FULL FORWARD, BRAKE PEDAL FULL TOWARDS DRIVER. ABLE TO READJUST, ONSTAR SAID VARIOUS ELECTRICAL - BELIEVE MODULES- PROBLEM. WAS ABLE TO DRIVE, TOOK TO DEALER, UNABLE TO REPLICATE. FEW MONTHS LATER ADJUSTED GAIN ON ELECTRIC TRAILER BRAKE CONTROL - WHILE IN MOTION. SAME PROPLEM, SEAT AND SEAT BACK FULL FORWARD, BRAKE PEDAL FULL TOWARDS DRIVER. LUCKILY I KNEW WHAT WAS HAPPENING AND WASN'T STARTLED. 4WD CONTROL @ GAIN CONTROL ABOVE EACH OTHER, LEFT SIDE OF DASH. NO OTHER TRBL WITH VEH. A 2015 GMC 3500 CREW CAB 4WD DIESEL LONG BOX, NUMEROUS OPTIONS INCLUDING HEATED-COOLED LEATHE POWER SEATS & POWER ADJUST PEDALS. BOTH PEDALS MOVED TOGETHER TOWARDS ME. MILEAGE 1ST TIME, LESS THAN 10,000 2ND TIME LESS THAN 13,000.

    Source: NHTSA WEB SITE
  • 2015 GMC SIERRA 3500
    - BERMUDA DUNES, CA

    WHILE DRIVING WHITE SMOKE BELLOWING OUT FRONT RIGHT TIRE WHEEL WELL. UPON INSPECTION, SMOKE COMING FROM EXHAUST PIPE CLAMP NEAR TURBO. SMELL SO BAD HAVE TO DRIVE WITH WINDOW OPEN. IT APPEARS ENGINE ON FIRE FROM THE AMOUNT OF SMOKE EMITTING FROM UNDER THE HOOD. AT IDLE IT GET WORSE. IT APPEARS SMOKE IS EXHAUST FUMES LEAKING FROM THE PIPE JOINT. NO ENGINE LIGHT TO INDICATE A PROBLEM.

    Source: NHTSA WEB SITE
  • 2015 GMC SIERRA 3500
    - EL CAMPO, TX

    THE NEW TOW MIRRORS ON THIS TRUCK HAVE LED BLINKERS THAT ARE SO BRIGHT YOU CAN'T TELL IF SOMEONE IS COMING TOWARDS YOU WHEN YOU HAVE THE BLINKER ON. IT'S FLASHING RIGHT IN YOUR FACE. *TR

    Source: NHTSA WEB SITE
  • 2015 GMC SIERRA 3500
    - GILBOA , NY

    TL*THE CONTACT OWNS A 2015 GMC SIERRA 3500. THE CONTACT STATED THAT A SNOW PLOW WAS INSTALLED BY A DEALER HOWEVER, AFTER THE INSTALLATION, THE INSTRUMENT PANEL WAS DIM AND THE HEADLIGHTS FAILED TO ILLUMINATE. THE TECHNICIAN UNINSTALLED THE SNOW PLOW AND THE VEHICLE RESUMED TO FUNCTION AS NORMAL. THE TECHNICIAN THEN REINSTALLED THE SNOW PLOW A SECOND TIME BUT THE FAILURE RECURRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 10,000.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE