GMC Complaints

View complaints related to GMC. The complaints found here are submitted by actual consumers with first hand experience. 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.

  • 2021 GMC SIERRA 1500
    - Caledonia, MI

    The contact owns a 2021 GMC Sierra 1500. The contact stated that upon starting the vehicle, the vehicle was idling abnormally, prompting the contact to turn off the vehicle. The contact stated that the check engine warning light was illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the lifter in cylinder #4. The contact stated that the lifter had collapsed into the engine, causing damages to the engine and camshaft. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was 98,000.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2024 GMC SIERRA 1500
    - Carmel Valley, CA

    The contact owns a 2024 GMC Sierra 1500. The contact received notification of NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling); however, the part to do the recall repair was unavailable. The dealer was contacted and confirmed that the parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2025 GMC ACADIA
    - Houston, TX

    After having vehicle for one month, a "service brake assist" message was displayed on instrument cluster. Vehicle was taken to dealership for service and was told the master brake cylinder needed to be replaced and will take a while due to a nationwide shortage on the part.

    Source: NHTSA WEB SITE
  • 2022 GMC SIERRA 1500
    - Saint Paris, OH

    The contact owns a 2022 GMC Sierra 1500. The contact received notification of NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. VIN tool confirms parts not available.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2023 GMC YUKON
    - Louisville, KY

    The contact owns a 2023 GMC Yukon. The contact received notification of NHTSA Campaign Number: 25V274000 (ENGINE AND ENGINE COOLING); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2023 GMC SIERRA 1500
    - Fort Worth , TX

    Diagnostic: Video Processing Module includes replacement and reprogramming and calibrations Diagnostics when referred to in an automotive sense is the various testing done on the automobile to ensure safety and proper engine functioning. These tests are done with different sensors, computers and machines to establish a “cause and effect” relationship between what is working and what is not working with the automobile. The forms of diagnostics can range from brakes, to air conditioning, to suspension and many more. PARKING GUIDELINES ON SCREEN DO NOT WORK AND THERE IS A BLUE HOUR GLASS ON SCREEN. $2,200 estimate to repair.

    Source: NHTSA WEB SITE
  • 2023 GMC YUKON
    - Vicksburg, MS

    The contact owns a 2023 GMC Yukon. The contact stated that on several occasions, the vehicle failed to immediately start. During the failure, the contact received a message that the battery power was low. The contact stated that the vehicle was jumpstarted. The battery was replaced, but the failure persisted. The vehicle was taken to the local dealer on several occasions, but the cause of the failure was not yet determined. The manufacturer was notified of the failure. The failure mileage was 11,000.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2020 GMC SIERRA 1500
    - Charleston, SC

    Engine overheating at 50,000 miles. Temp would intermittently jump up to 230plus degrees while driving. Radiator replaced per dealership diagnosis. Issue still happening.

    Source: NHTSA WEB SITE
  • 2023 GMC SIERRA 1500
    - Woodland, CA

    The contact owns a 2023 GMC Sierra 1500. The contact stated that while driving on the highway at 70 MPH, the front grill deflector detached and became airborne and struck the windshield, causing a crack. The grill deflector also struck the vehicle behind the contact; however, no damage was caused. No warning lights were illuminated. The vehicle was taken to a local dealer where it was diagnosed, and the contact was informed that the deflector was faulty and needed to be replaced. The vehicle was not repaired. The contact referenced NHTSA Campaign Number: 25V060000 (STRUCTURE); as a possible cause for the failure. The manufacturer was notified of the failure. The approximate failure mileage was 70,000.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2022 GMC YUKON XL
    - Sicklerville, NJ

    On every cold start this vehicle blow dark gray smoke from exhaust. I hear some knocking in from the engine. I just bought this vehicle and find out later on it got some serious engine recall. I travel with my kids and put my kids lives on line, if engine fails while I am driving it.

    Source: NHTSA WEB SITE