2014 GMC DENALI Complaints

View complaints related to 2014 GMC DENALI. The complaints found here are submitted by actual consumers with first hand experience. There are more than 10 complaints submitted for the 2014 GMC DENALI. 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.

  • 2014 GMC DENALI
    - BIRMINGHAM, AL

    BRAKE FAILURE. THE BRAKE VACUUM PUMP FAILED. I MARKED THE FAILURE AS TODAY AS THE DEALERSHIP CONFIRMED THE FAILURE. THE FAILURE OCCURRED A MONTH OR SO AGO. IT DOES NOT HAPPEN ALL OF TIME.

    Source: NHTSA WEB SITE
  • 2014 GMC DENALI
    - EAST WORCESTER, NY

    BLIND SPOT SENSORS IN THE MORRORS ARE ALWAYS LIGHTING UP WITH NOTHING TO SET THEM OFF.GM SAYS THERE IS NO FIX AND THEY KNOW OF THIS PROBLEM WITH THE ACADIA

    Source: NHTSA WEB SITE
  • 2014 GMC DENALI
    - WINDSOR, NY

    CHECK ENGINE LIGHT CODE FOR DEF HEATER FAILURE. POSSIBLE LIMP MODE EFFECT IN TRAFFIC.

    Source: NHTSA WEB SITE