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2017 GMC Sierra Owner Complaints

Updated May 30, 2026
Ethan Miller

Complaint Summary

The 2017 GMC Sierra has 77 reported complaints.

  • Top issues involve power train and service brakes.

Reliability Score

Reliability Score

8.5/ 10

Based on 77 complaints

Most Frequent Issues

POWER TRAIN

22 28.6%

SERVICE BRAKES

19 24.7%

ELECTRICAL SYSTEM

6 7.8%

ENGINE

4 5.2%

STEERING

3 3.9%

Quick Insights

  • The top category is POWER TRAIN, accounting for 28.6% of all complaints.

  • Owners have reported issues across 20 distinct vehicle systems.

  • Note: Complaint data reflects owner reports and may not always indicate a verified defect. Compare with Recalls and TSBs for a complete picture.

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Complaint Summary

What owners keep reporting on the 2017 GMC Sierra

The 2017 GMC Sierra has 77 owner complaints in this dataset. POWER TRAIN is the most common complaint category, representing about 29% of the reports shown here.

Most common complaint categories

The top complaint groups for the 2017 GMC Sierra are POWER TRAIN (22), SERVICE BRAKES (19), ELECTRICAL SYSTEM (6).

Are these complaints a serious red flag?

Potentially. 37 complaint reports involve higher-attention systems like brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components, which is enough to justify a focused inspection.

What should buyers inspect on a used 2017 GMC Sierra?

Start with the top complaint systems, compare them against the recall report, then inspect service records for evidence that those same areas were already repaired or monitored.

Read the full buyer guideRecall report and remedy notesMaintenance costs and intervals2018 Sierra complaints2016 Sierra complaints2015 Sierra complaints

Detailed Complaint Log

Showing 20 of 20 systems

POWER TRAIN

22 Reports29% of total

Previewing the first 2 complaint summaries.

TL* THE CONTACT OWNS A 2017 GMC SIERRA. WHILE DRIVING APPROXIMATELY 5 MPH, THE VEHICLE FAILED TO SHIFT OUT OF GEAR AND THERE WAS A DELAY OF THREE TO FOUR SECONDS BEFORE SHIFTING INTO SECOND GEAR. THE FAILURE RECURRED EVERY MORNING. THE VEHICLE WAS TAKEN TO THE DEALER (JIM CAUSLEY, LOCATED AT 38111 GRATIOT AVE, CLINTON TOWNSHIP, MI 48036) WHERE IT WAS CONFIRMED THAT GM WAS AWARE OF THE ISSUE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND INFORMED THE CONTACT THAT THERE WAS NO RECALL ON HIS VIN. NO FURTHER ASSISTANCE WAS OFFERED. THE APPROXIMATE FAILURE MILEAGE WAS 4,500. UPDATED 11/13/17 *BF *TR

7/27/2017

VIBRATION 65+ MPH, FELT IN STEERING WHEEL AND SEAT. STEERING WHEELS QUIVERS AT 65+ MPH. TRUCK FEELS VERY UNSTABLE AT HIGHWAY SPEEDS. DEALER STATES IT'S NORMAL.

10/25/2017

20 more complaints are available in this category.

SERVICE BRAKES

19 Reports25% of total

Previewing the first 2 complaint summaries.

I ALMOST KILLED A KID TODAY PARKING FOR A BASEBALL GAME. I WAS TRAVELING SLOWLY AND PARKING WHEN MY BRAKES BECAME HARD TO PUSH AND FAILED. TRUCK WENT OVER CURB AND TOWARD KID PUTTING ON HIS CLEATS AND NOT FACING ME. I WAS ABLE TO PUSH AS HARD AS I COULD AND IT STOPPED. I BACKED UP AND BRAKES WORKED AGAIN. I HAVE 46,000 MILES ON THE TRUCK. I AM NOW AFRAID TO DRIVE IT, BUT IT SEEMS THEY ARE WORKING AGAIN. IF THIS IS COMMON, GMC NEEDS TO TAKE CARE OF THIS. SOMEONE WILL SOON BE HURT SERIOUSLY!

3/7/2018

WHILE DRIVING ON THE HIGHWAY AT 70MPH, A SERVICE BRAKE ASSISTANT WARNING CAME ON. THE BRAKES AT THAT POINT WERE EXTREMELY DIFFICULT TO USE AND THERE WAS NO WAY FOR A QUICK STOP. WAS ABLE TO GET TO A DEALERSHIP WHERE THEY HAD TO REPLACE THE MASTER CYLINDER, THE BOOSTER PUMP, VACUUM PUMP AND TUBING. COST FOR THE REPAIR WAS OVER $1,200.

11/26/2018

17 more complaints are available in this category.

ELECTRICAL SYSTEM

6 Reports8% of total

Previewing the first 2 complaint summaries.

WHEN REVERSE IS ACTIVATED AT NIGHT, THE BACKUP CAMERA COMES ON AT FULL BRIGHTNESS AND IS NOT DIMMABLE. THE BRIGHT SCREEN PREVENTS VIEW OF THE PASSENGER SIDE MIRROR AND SIGNIFICANTLY REDUCES VISIBILITY IN THE DRIVER SIDE MIRROR WHILE REVERSING. THE SCREEN CANNOT BE DEACTIVATED AND BLINDS THE DRIVER. THIS IS AN ONGOING ISSUE.

10/14/2018

WHEN REVERSE IS ACTIVATED AT NIGHT, THE BACKUP CAMERA COMES ON AT FULL BRIGHTNESS AND IS NOT DIMMABLE. THE BRIGHT SCREEN PREVENTS VIEW OF THE PASSENGER SIDE MIRROR AND SIGNIFICANTLY REDUCES VISIBILITY IN THE DRIVER SIDE MIRROR WHILE REVERSING. THE SCREEN CANNOT BE DEACTIVATED AND BLINDS THE DRIVER. THIS IS AN ONGOING ISSUE.

11/28/2018

4 more complaints are available in this category.

ENGINE

4 Reports5% of total

Previewing the first 2 complaint summaries.

TL* THE CONTACT OWNS A 2017 GMC SIERRA. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE BEGAN TO SHUTTER WITHOUT WARNING. THE VEHICLE WAS TAKEN TO A LOCAL DEALER (DONOVAN AND BAUER AUTO GROUP, 11579 HYDETOWN ROAD, TITUSVILLE, PA 16354), BUT THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE LOCAL DEALER WAS ABLE TO DUPLICATE THE FAILURE, BUT THERE WAS NO REMEDY TO CORRECT THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND REFERRED THE CONTACT TO NHTSA. THE FAILURE MILEAGE WAS APPROXIMATELY 2,000. *TT CONSUMER STATED TRANSMISSION-SHUTTERING FEELS LIKE ENGINE MISS. UPDATED 8/14/18*JB

12/14/2017

GMC HAS REFUSED TO FIND A FIX FOR THE HEATER CORD DEFECT WHICH IS ONE OF THE MAIN REASON WHY I PURCHASED THE VEHICLE. I LIVE IN IDAHO. GMC SHOULD COMPENSATE OWNERS UNTIL FIXED.

10/1/2019

2 more complaints are available in this category.

STEERING

3 Reports4% of total

Previewing the first 2 complaint summaries.

VIBRATION 65+ MPH, FELT IN STEERING WHEEL AND SEAT. STEERING WHEELS QUIVERS AT 65+ MPH. TRUCK FEELS VERY UNSTABLE AT HIGHWAY SPEEDS. DEALER STATES IT'S NORMAL.

10/25/2017

THE STABILITRAK SENSOR KEEPS GOING ON AND OFF. I'VE HAD THIS ISSUE WHEN I FIRST GOT THE TRUCK IN THE END OF OCTOBER IN 2017. THE DEALERSHIP COULD NOT FIX IT AT FIRST BUT FINALLY HAD TO FIX SOME WIRING. I'VE SEEN IT GO ON A FEW TIMES SINCE THEN BUT NEVER STAYED ON. AND FOR ABOUT 2-3 WEEKS IT'S BEEN COMING ON AND OFF BUT STAYING MORE ON AND NOT GOING AWAY NOW. I FEEL LIKE THIS SHOULDN'T HAPPEN TO A NEWER TRUCK

4/23/2019

1 more complaint is available in this category.

UNKNOWN OR OTHER

3 Reports4% of total

Previewing the first 2 complaint summaries.

VIBRATION AT HIGHWAY SPEEDS. BEEN TO THE DEALER 6 TIMES. TIRES REPLACED ORIGINALLY, THEN TIRES BALANCED THE SECOND TIME, THIRD TIME "ACCEPTABLE VIBRATION", FOURTH TIME "COULD NOT DUPLICATE ISSUE", FIFTH TIME "PROBLEM RECOGNIZED, TORQUE CONVERTER REPLACED", SIXTH TIME "ACCEPTABLE VIBRATION".

8/28/2019

THE VEHICLE EXHIBITS VIBRATIONS THAT CAN BE RATHER EXTREME AT TIMES. IT SEEMS TO BE MOST NOTICEABLE IN THE 70-75 MPH RANGE BUT CAN SOMETIMES BE FELT AT OTHER SPEEDS. IT FEELS LIKE THE VIBRATION ORIGINATES FROM THE REAR OF THE VEHICLE. TWO DEALERSHIPS HAVE REPLACED MULTIPLE PARTS AND HAVE PERFORMED NUMEROUS ALIGNMENTS AND ROAD FORCE BALANCES BUT CAN NOT IDENTIFY/REMEDY THE PROBLEM. THERE ARE THOUSANDS OF COMPLAINTS ON MULTIPLE ONLINE FORUMS OF THIS SAME ISSUE FOR 2014-2015 GM 1500 SERIES PICKUP TRUCK. SO FAR THERE HAS BEEN NO FIX FOR THEM EITHER. GM TREATS IT AS AN ANNOYANCE IN THE COMFORT OF THE RIDE, HOWEVER IF THEY CAN NOT IDENTIFY THE ISSUE HOW DO THEY KNOW IT IS NOT A SAFETY RISK.

10/5/2019

1 more complaint is available in this category.

VISIBILITY/WIPER

3 Reports4% of total

Previewing the first 2 complaint summaries.

MY WINDSHIELD WIPER FLUID ONLY SPRAYS OUT 30% OF THE TIME. USUALLY IN THE MORNING THEN ANY OTHER TIME OF THE DAY IT WILL NOT SPRAY OUT. THEY REPLACED THE PUMP AND THAT DID NOT FIX IT AND THEY WON'T DO ANYTHING ELSE AND NOW IT IS OUT OF WARRANTY. WHEN RUNNING LOWER RPMS DRIVING THE TRUCK IT BEGINS TO FEEL LIKE ITS SHAKING FORWARD AND BACKWARDS, LIKE A SHUDDERING FEELING. I HAVE READ ABOUT OTHER PEOPLE HAVING THIS PROBLEM AND IT DESCRIBES MINE PERFECTLY. I HAVE THE 8SPEED

10/3/2019

AFTER USING THE REMOTE STARTER WHILE VEHICLE WAS PARKED IN MY DRIVEWAY, I STARTED TO DRIVE MY GRANDSON TO SCHOOL. A SHORT DISTANCE FROM HOME SMOKE AND SPARKS STARTED TO EMIT FROM THE REAR SEAT NEXT TO THE SLIDING WINDOW AND ELECTRIC REAR WINDOW DEFROSTER. AS I PULLED OVER THE REAR WINDOW PANEL ON THE PASSENGER SIDE BURST. I ASSUME FROM EXCESSIVE HEAT GENERATED BY THE REAR WINDOW DEFROSTER.

11/13/2019

1 more complaint is available in this category.

EXTERIOR LIGHTING

2 Reports3% of total

Previewing the first 2 complaint summaries.

THE HEADLIGHTS ON MY NEW GMC SIERRA 2500HD DENALI ARE HORRIBLE AND UNSAFE FOR DRIVING AT NIGHT. THE 25 WATT RATING AND 2,000 LUMENS ON THE OEM HID BULBS DO NOT PROVIDE ADEQUATE, SAFE LIGHTING FOR OPERATING MY VEHICLE. I ALREADY HIT A DEER WITH MY BRAND NEW TRUCK BECAUSE I COULDN'T SEE IT WELL ENOUGH IN ADVANCE OF THE COLLISION. GMC SHOULD BE HELD ACCOUNTABLE FOR PUTTING SUCH A LOW POWER, POOR QUALITY AND UNSAFE HEADLIGHT IN THEIR $70,000 VEHICLES. I'M RENTING A HYUNDAI WHILE MY TRUCK IS BEING REPAIRED AND THE HEADLIGHTS ON THIS $30,000 FOREIGN CAR ARE 10XS BETTER THAN THE ONES ON MY TRUCK. WHY?

12/22/2017

HEADLIGHT ON THIS TRUCK ARE EXTREMELY HORRIBLE AND UNSAFE AT NIGHT TIME. THE LIGHT OUTPUT IS WORST THEN ANY OTHER VEHICLE I HAVE EVER DROVE. GM NEEDS TO STAND BEHIND THE ISSUE AND PROVIDE A SOLUTION

1/5/2020

ELECTRONIC STABILITY CONTROL (ESC)

2 Reports3% of total

Previewing the first 2 complaint summaries.

THE STABILITRAK SENSOR KEEPS GOING ON AND OFF. I'VE HAD THIS ISSUE WHEN I FIRST GOT THE TRUCK IN THE END OF OCTOBER IN 2017. THE DEALERSHIP COULD NOT FIX IT AT FIRST BUT FINALLY HAD TO FIX SOME WIRING. I'VE SEEN IT GO ON A FEW TIMES SINCE THEN BUT NEVER STAYED ON. AND FOR ABOUT 2-3 WEEKS IT'S BEEN COMING ON AND OFF BUT STAYING MORE ON AND NOT GOING AWAY NOW. I FEEL LIKE THIS SHOULDN'T HAPPEN TO A NEWER TRUCK

4/23/2019

WHEN I'M DRIVING AT A SLOW SPEED TURNING THE TRUCK LOOSES ALL POWER AND THE STEERING WHEEL JERKS OUT OF MY HAND, STABILITRAK IS ON THE DISPLAY AND IT SAYS ROLL DOWN DRIVER WINDOW AND ROLL BACK UP! IT ALSO LOOSES ALL POWER JUST DRIVING DOWN THE ROAD NO MATTER THE SPEED! I HAVE ALSO BEEN STOPPED AT A STOPLIGHT AND IT LOST ALL POWER WOULDN'T COME BACK ON SO I HAD TO GET OUT POP THE HOOD AND BANG I. THE BATTERY BOX AND CABLES AND IT STARTED AGAIN! VERY SCARY GOING 75 MPH AND IT SHUTS OFF LEAVING YOU NO STEERING NO BRAKES NO LIGHTS NO NOTHING! SOMETIMES IT SAYS POWER STEERING FAILURE SOMETIMES AND SOMETIMES IT SAYS STABILITRACK PROBLEM AT SOMETHING ABOUT TOWING! THE BRAKES WERE ALSO AFFECTED NO BRAKES

3/7/2020

TIRES

2 Reports3% of total

Previewing the first 2 complaint summaries.

TL* THE CONTACT OWNS A 2017 GMC SIERRA EQUIPPED WITH CONTINENTAL CROSSCONTACT LX TIRES, SIZE: 275/552/0352 (NA). THE CONTACT STATED THAT THE TIRES FLATTENED. THE TIRES WERE THE ORIGINAL TIRES AND THEY LOST AIR IMMEDIATELY. DIAMOND AUTO GROUP (768 WASHINGTON ST RT. 20, AUBURN, MA 01501, (508) 635-4207) WAS CONTACTED, BUT THEY DID NOT WANT TO REPAIR OR CHANGE THE TIRES. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND DID NOT ASSIST. THE VEHICLE FAILURE MILEAGE WAS 33,731 AND THE TIRE FAILURE MILEAGE WAS 73,000. THE VIN WAS UNKNOWN.

6/21/2019

The contact owns a 2017 GMC Sierra equipped with Goodyear, Tire Line: Wrangler SRA, Tire Size: 275/55/R30, DOT Number not available: The contact stated while driving 25 MPH, the passenger’s side front tires experienced blowout. The contact was able to pull over safely and replace the tire. The failure reoccurred and the front driver side tire blowout causing the contact to sideswipe another vehicle and crashing into a building. The airbags deployed but no injury and a police report were filed. Neither the dealer nor the manufacturer had been notified of the failure. The failure mileage was approximately 50,000.

7/7/2022

SUSPENSION

2 Reports3% of total

Previewing the first 2 complaint summaries.

THE VEHICLE EXHIBITS VIBRATIONS THAT CAN BE RATHER EXTREME AT TIMES. IT SEEMS TO BE MOST NOTICEABLE IN THE 70-75 MPH RANGE BUT CAN SOMETIMES BE FELT AT OTHER SPEEDS. IT FEELS LIKE THE VIBRATION ORIGINATES FROM THE REAR OF THE VEHICLE. TWO DEALERSHIPS HAVE REPLACED MULTIPLE PARTS AND HAVE PERFORMED NUMEROUS ALIGNMENTS AND ROAD FORCE BALANCES BUT CAN NOT IDENTIFY/REMEDY THE PROBLEM. THERE ARE THOUSANDS OF COMPLAINTS ON MULTIPLE ONLINE FORUMS OF THIS SAME ISSUE FOR 2014-2015 GM 1500 SERIES PICKUP TRUCK. SO FAR THERE HAS BEEN NO FIX FOR THEM EITHER. GM TREATS IT AS AN ANNOYANCE IN THE COMFORT OF THE RIDE, HOWEVER IF THEY CAN NOT IDENTIFY THE ISSUE HOW DO THEY KNOW IT IS NOT A SAFETY RISK.

10/5/2019

I LIVE IN OREGON, MY TRUCK THAT I PURCHASED FROM A PRIVATE OWNER FROM UTAH IN JUNE OF 2019 HAD 37,300 MILES TODAY'S DATE MARCH 1 2020 MY TRUCK HAS 39,100 MILES. A COUPLE OF DAYS AGO I CHANGED TO MY OREGON LICENSE PLATE. WHILE UNDER THE TRUCK I NOTICED A LOT OF RUST ON MANY PARTS OF THE BRAKES, SUSPENSION AND FRAME ESPECIALLY WHEN I LOWERED THE SPARE TIRE WHICH SHOWED SEVERE RUST DAMAGE. THIS TRUCK HAS AN EXTREME AMOUNT OF RUST FOR A VEHICLE BUILT IN 2017. I CONSIDER THIS TO BE A SAFETY HAZARD ESPECIALLY BECAUSE DRIVERS USE THIS TYPE OF TRUCK TO HAUL OR TOW HEAVY LOADS.

3/1/2020

WHEELS

1 Report1% of total

Previewing the first 1 complaint summaries.

VIBRATION 65+ MPH, FELT IN STEERING WHEEL AND SEAT. STEERING WHEELS QUIVERS AT 65+ MPH. TRUCK FEELS VERY UNSTABLE AT HIGHWAY SPEEDS. DEALER STATES IT'S NORMAL.

10/25/2017

FUEL/PROPULSION SYSTEM

1 Report1% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2017 GMC SIERRA. THE CONTACT STATED THAT NHTSA CAMPAIGN NUMBER: 19V088000 (FUEL SYSTEM) EXCEEDED A REASONABLE AMOUNT OF TIME FOR REPAIR. THE CONTACT RECEIVED THE RECALL NOTICE IN FEBRUARY OF 2019. SPRINGFIELD BUICK GMC (431 RIVER ST, NORTH SPRINGFIELD, VT 05150) STATED THAT THE PARTS WERE UNAVAILABLE TO PERFORM THE REPAIR. THE MANUFACTURER WAS ALSO CONTACTED AND CONFIRMED THAT THE PARTS WERE UNAVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

3/18/2019

VEHICLE SPEED CONTROL

1 Report1% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2017 GMC SIERRA. WHILE REVERSING, THE VEHICLE HESITATED AND SURGED FORWARD. WHILE DRIVING VARIOUS SPEEDS, THE ACCELERATOR PEDAL WAS RELEASED AND THE VEHICLE ACCELERATED. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO SILVER STAR BUICK GMC (3601 AUTO MALL DR, THOUSAND OAKS, CA 91362, (805) 222-4789) WHERE IT WAS DIAGNOSED THAT THE SOFTWARE NEEDED TO BE UPDATED AND THE VEHICLE WAS PERFORMING AS DESIGNED. THE VEHICLE WAS REPAIRED; HOWEVER ,THE FAILURE RECURRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 415.

6/10/2019

AIR BAGS

1 Report1% of total

Previewing the first 1 complaint summaries.

ONLY HAVE 18,820 MILES ON OUR TRUCK AND THE AIRBAG LIGHT IS ON. SHOULDN'T HAVE ISSUES WITH AIRBAGS ON A TRUCK THAT'S BARELY DRIVEN.

8/24/2019

SEATS

1 Report1% of total

Previewing the first 1 complaint summaries.

NOTICED MUSHY, VIBRATING BRAKES. TOOK IT TO TIRE STORE AND WAS ADVISED THE BRAKE BOOSTER AND VACUUM PUMP ARE BAD. I'VE HAD SEVERAL CLOSE CALLS IN PARKING LOTS, AS THE VEHICLE IS SLOW TO RESOND TO THE APPLICATION OF THE BRAKES. THE DRIVERS SEAT IS ALSO LOOSE. IT MOVES FROM SIDE TO SIDE AS I GO AROUND CORNERS. I'M AFRAID IT WILL COME OFF THE RAILS OR WORSE YET, NOT SECURE ME IN THE EVENT OF AN ACCIDENT.

2/24/2020

STRUCTURE:BODY

1 Report1% of total

Previewing the first 1 complaint summaries.

I LIVE IN OREGON, MY TRUCK THAT I PURCHASED FROM A PRIVATE OWNER FROM UTAH IN JUNE OF 2019 HAD 37,300 MILES TODAY'S DATE MARCH 1 2020 MY TRUCK HAS 39,100 MILES. A COUPLE OF DAYS AGO I CHANGED TO MY OREGON LICENSE PLATE. WHILE UNDER THE TRUCK I NOTICED A LOT OF RUST ON MANY PARTS OF THE BRAKES, SUSPENSION AND FRAME ESPECIALLY WHEN I LOWERED THE SPARE TIRE WHICH SHOWED SEVERE RUST DAMAGE. THIS TRUCK HAS AN EXTREME AMOUNT OF RUST FOR A VEHICLE BUILT IN 2017. I CONSIDER THIS TO BE A SAFETY HAZARD ESPECIALLY BECAUSE DRIVERS USE THIS TYPE OF TRUCK TO HAUL OR TOW HEAVY LOADS.

3/1/2020

POWER TRAIN:AUTOMATIC TRANSMISSION

1 Report1% of total

Previewing the first 1 complaint summaries.

The contact owns a 2017 GMC Sierra. The contact stated while driving at various speeds, the transmission inadvertently shifted from high to low gears and the RPMs revved up. There was no warning light illuminated. The vehicle was taken to the dealer where the failure could not be duplicated. However, the failure recurred while driving. The vehicle was then taken back to the dealer where it was diagnosed that the valve body, the clutch, the piston, and the transmission plates needed to be replaced. The vehicle was repaired, however, the failure persisted. The contact stated that while driving and an undisclosed speed, the transmission was shifting hard into a lower gear, then into third gear without warning. The vehicle was taken back to the dealer but was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 60,000.

10/13/2022

SERVICE BRAKES, HYDRAULIC

1 Report1% of total

Previewing the first 1 complaint summaries.

The contact owns a 2017 GMC Sierra LD. The contact stated that on two separate occasions while driving at approximately 50 MPH, the front passenger side wheel locked inadvertently. As a result, another vehicle crashed into the attached trailer which caused the trailer to jackknife. The driver alert warning light illuminated. The air bags failed to deploy. No medical attention was required. No injuries were sustained. A police report was filed. The vehicle was not diagnosed or repaired. The contact then stated that on a separate occasion while driving at normal speed, the front passenger side wheel inadvertently locked without warning. As a result, the strut detached from the control arm which caused the attached trailer to detach and crashed into the vehicle that caused the vehicle to crash into a ditch. the rear passenger side air bags deployed however, the front driver and passenger side air bags failed to deploy. No injuries were sustained. No medical attention was required. A police report was filed. The vehicle was towed to the contact’s residence and then towed to a collision center. The vehicle was not diagnosed or repaired. The contact referenced an unknown NHTSA recall related to the Service Brakes, Hydraulic as a possible cause. The manufacturer was not notified of the failure. The failure mileage was approximately 51,117.

10/20/2022

VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

1 Report1% of total

Previewing the first 1 complaint summaries.

The contact owns a 2017 GMC Sierra. The contact stated that while his wife was driving at an undisclosed speed with the defroster activated, a smoke odor was detected inside the vehicle. The contact's wife checked the rearview mirror and saw flames coming from the rear windshield. The contact's wife pulled over and heard a loud explosion from the rear windshield shattering before turning off the vehicle. The flames from the rear windshield were extinguished on their own after the vehicle was turned off. There were no injuries sustained. The vehicle was restarted, and the contact's wife deactivated the defroster before driving to work. The vehicle was taken to the dealer, where it was determined that the rear windshield needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure but informed the contact that there was no recall associated with the VIN. The failure mileage was approximately 97,000.

4/29/2024

About This Data

Data and Methodology

MethodologyHow we score →

Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.

FAQ

What are the most common owner complaints for the 2017 GMC Sierra?

The most reported complaint category for the 2017 GMC Sierra is POWER TRAIN, with 22 owner reports. That is about 29% of all complaints logged here. Other recurring themes include POWER TRAIN, SERVICE BRAKES, ELECTRICAL SYSTEM.

Are complaints about the 2017 GMC Sierra a serious warning sign?

Potentially. 37 complaint reports fall into higher-attention systems such as brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components. That does not prove every vehicle has a defect, but repeated complaints in those systems justify a more careful pre-purchase inspection.

How should buyers use complaint data for the 2017 GMC Sierra?

Use complaints as an early pattern to investigate, not a standalone verdict. Start with the top complaint categories, compare those themes against the recall report and maintenance guide, then inspect service records for evidence that the same problem areas were already addressed. If the same issue appears repeatedly across complaints and recalls, treat it as a real ownership-risk flag.

Are complaints about the 2017 GMC Sierra severe?

37 complaint reports involve higher-attention systems such as brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components, which is enough to justify a focused inspection before purchase.

Complaint list entries are sourced from owner-submitted NHTSA ODI records.

Read complaint summaries

GMC Sierra: How should complaint data influence buying decisions?

Use complaint patterns together with recalls and maintenance guidance to estimate ownership risk and inspection priorities.

Carfocal links complaint data directly to recall and maintenance routes for the same model year.

Return to full vehicle report
Complaint entries
77
Top-topic view
5 grouped topics shown
Primary source
NHTSA ODI owner complaint records

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In this guide

  1. 01Overview
  2. 02Common Problems
  3. 03Owner Complaints
  4. 04Data and Methodology

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