FaultScore

FaultScore report

2019 GMC Yukon XL problems

Owners have filed 86 complaints about the 2019 GMC Yukon XL with NHTSA between 2019 and 2026. The largest single group is the engine & cooling. Across this model's run it ranks 13 of 27 worst.

C

FaultScore 43/100

Higher is worse. Measured against the other years of the GMC Yukon XL.

How this is worked out

The numbers

86

Complaints

6

Crashes reported

0

Fires reported

4

Injuries reported

91,500 mi

Median mileage at failure

Half of reported failures happened before this

19%

Failed under 36,000 miles

Inside a typical bumper-to-bumper warranty

What kind of bad

The letter says how bad. This says what kind — whether this year drew an unusual number of complaints, unusually dangerous ones, or failures that arrived unusually early.

Complaint volume 37 vs 50 Severity 60 vs 50 Early failure 33 vs 50
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 37
Against the median year of the GMC Yukon XL. 50 means typical for this model; 100 means roughly double.
Severity — 60
11.6% of these complaints involved a crash, fire, injury or death, against a national rate of 9.7%.
Early failure — 33
19% of failures with a mileage on record happened under 36,000 miles, against a national rate of 29%.

How 2019 compares with every other GMC Yukon XL

Click any bar to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks on a 2019 GMC Yukon XL

Every complaint is filed against a part. Follow any row for the complaints about that part alone.

Engine & Cooling 38 44.2%

Median failure at 105,194 miles

Median failure at 78,000 miles

Driver Assist & Collision Avoidance 6 7.0%
Electrical System 6 7.0%

1 crashes, 0 fires · median 135,000 mi

Brakes 5 5.8%

1 crashes, 0 fires · median 71,800 mi

Acceleration & Cruise Control 4 4.7%

Median failure at 10,000 miles

Steering 4 4.7%

1 crashes, 0 fires

Other & Unspecified 3 3.5%
Airbags 3 3.5%

3 crashes, 0 fires · median 170,000 mi

Windows, Mirrors & Wipers 1 1.2%

Median failure at 75,000 miles

Lights 1 1.2%

Median failure at 20,000 miles

Suspension 1 1.2%

When it fails

Odometer readings owners gave when they filed. About half of all complaints include one.

10,000 – 24,999 miles 5 19.2%
25,000 – 49,999 miles 1 3.8%
50,000 – 74,999 miles 4 15.4%
75,000 – 99,999 miles 3 11.5%
100,000 – 149,999 miles 11 42.3%
150,000+ miles 2 7.7%

When owners complained

A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.

Sep 2019 peak 5 Aug 2026

Recalls on the 2019 GMC Yukon XL

A complaint is one owner's allegation. A recall is the point at which the manufacturer or a regulator agreed the defect is real and dangerous enough to fix for free — however old the car is.

Canada — Transport Canada

Canada runs its own recall programme, and its campaigns do not always mirror the American ones.

Recall 2018535 780 units in Canada

Seats And Restraints

Certain vehicles may be equipped with rear seat belt retractors that do not comply with the requirements of Canada Motor Vehicle Safety Standard (CMVSS) 208 - Occupant Protection in Frontal Impacts. The automatic-locking retractors (ALR) of the rear seat belts may not switch to a locked position when the seat belt is fully pulled out of the retractor. If used to secure a child seat, a seat belt that is not properly locked could increase the risk of injury to the child in the event of a crash. Correction: Dealers will inspect the rear seat belt retractors and replace them if necessary. Note: If the ALR is not working properly, a child seat should not be installed using the vehicle seat belt until this recall is completed.

Recalls cover specific build ranges, so check your own vehicle by VIN at nhtsa.gov/recalls or, in Canada, Transport Canada.

Complaints that involved harm

Reports where the owner recorded a crash, a fire, an injury or a death.

at 170,000 miles Cherokee, AL Crash 3 injured

AIR BAGS

The contact owns a 2019 GMC Yukon. The contact stated that while driving approximately 5 MPH, a second vehicle traveling approximately 65 MPH crashed into the front drivers side of the vehicle. During the crash, the vehicle sustained severe front-end damage, but no airbags in the vehicle deployed. The contact sustained injuries that included fractured ribs and a fractured left hip, and a sternum contusion. The contact was air-lifted to the hospital. Two occupants in the second vehicle were transported to the hospital with unknown injuries. A police report was taken at the scene, and the vehicle was towed away. The contact indicated that the vehicle was destroyed during the crash. The cause of the failure was not determined. The manufacturer and local dealer were not contacted. The failure mileage was 170,000.

NHTSA complaint #11716206 — an unverified report by a vehicle owner.

High Point, NC Crash

ELECTRICAL SYSTEM

it's been a known fact and on social media there has been many complaints, why is there nothing being done. this vehichle has a water or moisture problem which goes to the electric connectors and makes the vehichle go in to derate mode and only code it throws is peddle position sensor. which I have changes, and still no fix, as other connectors that are going to the electronic board removed, and it has corrosion. this is clearly a safety risk and it literally puts in a mode where a truck is not drivable.

NHTSA complaint #11580013 — an unverified report by a vehicle owner.

St. Albans, MO Crash

AIR BAGS

Hit a Elk at 65mph and airbags did not deploy.

NHTSA complaint #11488233 — an unverified report by a vehicle owner.

Fitchburg, MA Crash 2 injured

AIR BAGS

I WAS TRAVELING STRAIGHT ON OHIO TURNPIKE WITH MY FAMILY WHEN ALL OF A SUDDEN THE TRUCK TIRES STARTED TO FEEL WEIRD. I TRIED TO SLOW DOWN A LITTLE BY PUMPING MY BREAKS, BUT THE WHEEL GAVE A SHARP PULL TO THE LEFT FOR NO REASON. I WAS TRAVELING APPROX 60-70 MPH WHEN I FELT A STRONG PULL TO THE LEFT HAND SIDE AND MY SEAT STARTED TO VIBRATE. I COULDN'T CONTROL THE STEERING AND INFORMED EVERYONE IN THE VEHICLE AT THAT TIME THAT WE WERE GOING TO CRASH. I AM POSITIVE THAT THIS DEFECT IN THE STEERING/BREAKING SYSTEM RESULTED IN A MAJOR ACCIDENT. IF THAT'S NOT BAD ENOUGH, MY AIR BAGS NEVER DEPLOYED AND I WAS INJURED AS A RESULT OF THE MVA. 7 PASSENGERS WEARING SEATBELTS. VEHICLE TOTALED. DAMAGED GUARD RAIL. SUBMITTED A DEFECT CLAIM RIGHT AWAY. I'VE DRIVEN SUVS SINCE I WAS ISSUED MY LICENSE AND NEVER ONCE HAVE I EVER FELT OUT OF CONTROL. IT WAS LIKE SLOW MOTION. I KNEW I WAS GOING TO CRASH AND THERE WAS NOTHIN G I COULD DO TO STOP IT. I HAVE SINCE BEEN AWARDED THE OHIO STATE TROOPERS AWARD FOR SEAT BELT SAFETY. I'VE REQUESTED AN INSPECTION OF THE VEHICLE. ONLY AFTER THE ACCIDENT HAD IT BEEN BROUGHT TO MY ATTENTION THAT THE RIGHT TIRE HAD RECENTLY BEEN REPLACED. VEHICLE HAS SINCE BEEN RECALLED. I'M CERTAIN SOMETHING MALFUNCTIONED AND THAT'S WHY WE CRASHED. WE DROVE FROM MA TO MN AT THE END OF AUGUST TO ATTEND THE STATE FAIR, THE ACCIDENT OCCURRED AFTER LEAVING MN ON OUR WAY BACK HOME TO MA. ACCIDENT WAS WITNESSED. I WAS NOT CITED OR ISSUED A TICKET. NOT MY FAULT. JUST NEED SOMEONE WHO SPECIALIZES IN DEFECTS TO CONFIRM MY ALLEGATIONS. INCLUDED IN POLICE REPORT AS WELL AS MOTOR VEHICLE INSURANCE CLAIM

NHTSA complaint #11283041 — an unverified report by a vehicle owner.

Fitchburg, MA Crash 2 injured

STEERING

I WAS TRAVELING STRAIGHT ON OHIO TURNPIKE WITH MY FAMILY WHEN ALL OF A SUDDEN THE TRUCK TIRES STARTED TO FEEL WEIRD. I TRIED TO SLOW DOWN A LITTLE BY PUMPING MY BREAKS, BUT THE WHEEL GAVE A SHARP PULL TO THE LEFT FOR NO REASON. I WAS TRAVELING APPROX 60-70 MPH WHEN I FELT A STRONG PULL TO THE LEFT HAND SIDE AND MY SEAT STARTED TO VIBRATE. I COULDN'T CONTROL THE STEERING AND INFORMED EVERYONE IN THE VEHICLE AT THAT TIME THAT WE WERE GOING TO CRASH. I AM POSITIVE THAT THIS DEFECT IN THE STEERING/BREAKING SYSTEM RESULTED IN A MAJOR ACCIDENT. IF THAT'S NOT BAD ENOUGH, MY AIR BAGS NEVER DEPLOYED AND I WAS INJURED AS A RESULT OF THE MVA. 7 PASSENGERS WEARING SEATBELTS. VEHICLE TOTALED. DAMAGED GUARD RAIL. SUBMITTED A DEFECT CLAIM RIGHT AWAY. I'VE DRIVEN SUVS SINCE I WAS ISSUED MY LICENSE AND NEVER ONCE HAVE I EVER FELT OUT OF CONTROL. IT WAS LIKE SLOW MOTION. I KNEW I WAS GOING TO CRASH AND THERE WAS NOTHIN G I COULD DO TO STOP IT. I HAVE SINCE BEEN AWARDED THE OHIO STATE TROOPERS AWARD FOR SEAT BELT SAFETY. I'VE REQUESTED AN INSPECTION OF THE VEHICLE. ONLY AFTER THE ACCIDENT HAD IT BEEN BROUGHT TO MY ATTENTION THAT THE RIGHT TIRE HAD RECENTLY BEEN REPLACED. VEHICLE HAS SINCE BEEN RECALLED. I'M CERTAIN SOMETHING MALFUNCTIONED AND THAT'S WHY WE CRASHED. WE DROVE FROM MA TO MN AT THE END OF AUGUST TO ATTEND THE STATE FAIR, THE ACCIDENT OCCURRED AFTER LEAVING MN ON OUR WAY BACK HOME TO MA. ACCIDENT WAS WITNESSED. I WAS NOT CITED OR ISSUED A TICKET. NOT MY FAULT. JUST NEED SOMEONE WHO SPECIALIZES IN DEFECTS TO CONFIRM MY ALLEGATIONS. INCLUDED IN POLICE REPORT AS WELL AS MOTOR VEHICLE INSURANCE CLAIM

NHTSA complaint #11283041 — an unverified report by a vehicle owner.

Fitchburg, MA Crash 2 injured

SERVICE BRAKES

I WAS TRAVELING STRAIGHT ON OHIO TURNPIKE WITH MY FAMILY WHEN ALL OF A SUDDEN THE TRUCK TIRES STARTED TO FEEL WEIRD. I TRIED TO SLOW DOWN A LITTLE BY PUMPING MY BREAKS, BUT THE WHEEL GAVE A SHARP PULL TO THE LEFT FOR NO REASON. I WAS TRAVELING APPROX 60-70 MPH WHEN I FELT A STRONG PULL TO THE LEFT HAND SIDE AND MY SEAT STARTED TO VIBRATE. I COULDN'T CONTROL THE STEERING AND INFORMED EVERYONE IN THE VEHICLE AT THAT TIME THAT WE WERE GOING TO CRASH. I AM POSITIVE THAT THIS DEFECT IN THE STEERING/BREAKING SYSTEM RESULTED IN A MAJOR ACCIDENT. IF THAT'S NOT BAD ENOUGH, MY AIR BAGS NEVER DEPLOYED AND I WAS INJURED AS A RESULT OF THE MVA. 7 PASSENGERS WEARING SEATBELTS. VEHICLE TOTALED. DAMAGED GUARD RAIL. SUBMITTED A DEFECT CLAIM RIGHT AWAY. I'VE DRIVEN SUVS SINCE I WAS ISSUED MY LICENSE AND NEVER ONCE HAVE I EVER FELT OUT OF CONTROL. IT WAS LIKE SLOW MOTION. I KNEW I WAS GOING TO CRASH AND THERE WAS NOTHIN G I COULD DO TO STOP IT. I HAVE SINCE BEEN AWARDED THE OHIO STATE TROOPERS AWARD FOR SEAT BELT SAFETY. I'VE REQUESTED AN INSPECTION OF THE VEHICLE. ONLY AFTER THE ACCIDENT HAD IT BEEN BROUGHT TO MY ATTENTION THAT THE RIGHT TIRE HAD RECENTLY BEEN REPLACED. VEHICLE HAS SINCE BEEN RECALLED. I'M CERTAIN SOMETHING MALFUNCTIONED AND THAT'S WHY WE CRASHED. WE DROVE FROM MA TO MN AT THE END OF AUGUST TO ATTEND THE STATE FAIR, THE ACCIDENT OCCURRED AFTER LEAVING MN ON OUR WAY BACK HOME TO MA. ACCIDENT WAS WITNESSED. I WAS NOT CITED OR ISSUED A TICKET. NOT MY FAULT. JUST NEED SOMEONE WHO SPECIALIZES IN DEFECTS TO CONFIRM MY ALLEGATIONS. INCLUDED IN POLICE REPORT AS WELL AS MOTOR VEHICLE INSURANCE CLAIM

NHTSA complaint #11283041 — an unverified report by a vehicle owner.

The most recent complaints

In the owners' own words, exactly as filed with NHTSA.

Angola, NY

POWER TRAIN

Unknown Truck engine will cut off in the middle of high speed traffic. More than three times.

NHTSA complaint #11757179 — an unverified report by a vehicle owner.

Angola, NY

ENGINE

Unknown Truck engine will cut off in the middle of high speed traffic. More than three times.

NHTSA complaint #11757179 — an unverified report by a vehicle owner.

Angola, NY

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

Unknown Truck engine will cut off in the middle of high speed traffic. More than three times.

NHTSA complaint #11757179 — an unverified report by a vehicle owner.

Bayside, NY

UNKNOWN OR OTHER

My vehicle keeps showing a front camera warning and we went to the dealership multiple times and they were unable to diagnose the problem. This seems to be a widespread common problem among many owners and it’s a safety concern affecting parking and forward collision.

NHTSA complaint #11752916 — an unverified report by a vehicle owner.

Bayside, NY

FORWARD COLLISION AVOIDANCE: WARNINGS

My vehicle keeps showing a front camera warning and we went to the dealership multiple times and they were unable to diagnose the problem. This seems to be a widespread common problem among many owners and it’s a safety concern affecting parking and forward collision.

NHTSA complaint #11752916 — an unverified report by a vehicle owner.

at 47,000 miles Bronx, NY

ENGINE

The contact owns a 2019 GMC Yukon XL. The contact stated that while driving at an undisclosed speed and coming to a stop at a stop sign, the vehicle started shaking violently, with an unknown flashing warning light illuminated on the instrument panel. The vehicle was towed to a dealer and was diagnosed with a lifter failure. The dealer informed the contact that the vehicle was covered under warranty; however, upon a further follow-up, the dealer informed the contact that the warranty had expired. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 47,000.

NHTSA complaint #11750693 — an unverified report by a vehicle owner.

at 158,000 miles Parkton, MD

ENGINE

The contact owns a 2019 GMC Yukon XL. The contact stated that while driving and while the vehicle was parked on several occasions, there was a tapping sound coming from the engine compartment. The vehicle was taken to a dealer where it was diagnosed that the lifters were inoperable, and the lifters and or the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 158,000.

NHTSA complaint #11749961 — an unverified report by a vehicle owner.

Rochester, MA

ENGINE

I was driving vehicle and came up to a stop sign, once I was clear to go I stepped on the gas heard a clunking sound and the car shut off.

NHTSA complaint #11744893 — an unverified report by a vehicle owner.

Norwich, CT

ENGINE

Truck Trembling/Rumbling notices when idle . The truck has seen 2 mechanics dealers inspection, concluding that the truck needs a new engine.

NHTSA complaint #11738984 — an unverified report by a vehicle owner.

at 135,000 miles Richmond, VA

POWER TRAIN

The contact owns a 2019 GMC Yukon XL. The contact stated that on several occasions while stopped and attempting to accelerate, the vehicle reversed inadvertently and then jerked forward to accelerate. The contact added that the battery was drained but the failure was not the most important to report at this time. The vehicle was taken to a dealer where it was diagnosed that the starter needed to be replaced. The issue reoccurred the same day. The vehicle was taken to the same dealer where it was diagnosed that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 135,000.

NHTSA complaint #11737523 — an unverified report by a vehicle owner.

at 135,000 miles Richmond, VA

ELECTRICAL SYSTEM

The contact owns a 2019 GMC Yukon XL. The contact stated that on several occasions while stopped and attempting to accelerate, the vehicle reversed inadvertently and then jerked forward to accelerate. The contact added that the battery was drained but the failure was not the most important to report at this time. The vehicle was taken to a dealer where it was diagnosed that the starter needed to be replaced. The issue reoccurred the same day. The vehicle was taken to the same dealer where it was diagnosed that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 135,000.

NHTSA complaint #11737523 — an unverified report by a vehicle owner.

at 134,127 miles Owensborough, KY

ENGINE

The contact owns a 2019 GMC Yukon. The contact stated while driving at an undisclosed speed, the vehicle loss automotive power while the accelerator pedal was depressed. No warning lights were illuminated. The vehicle was towed to a dealer where it was diagnosed that the lifters and cam shaft needed yo be replaced. The manufacturer was not notified of the failure. The failure mileage was approximately 134,127.

NHTSA complaint #11735548 — an unverified report by a vehicle owner.

at 123,000 miles Madisonville, KY

ENGINE

The contact owns a 2019 Yukon Denali. The contact stated that while making a right turn the vehicle stalled. The vehicle was not able to restart. The vehicle was towed to an independent mechanic where it was diagnosed that the lifter went out and caused shaving to go into the oil and then the engine seized up and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 123,000.

NHTSA complaint #11734922 — an unverified report by a vehicle owner.

Sturgis, SD

ENGINE

we have had no issues with this vehicle at all. then one day notice a ticking in the area of the valve covers. Sounded to be more on drivers side. Thought maybe just the oil was low which has never happened before. Oil level was fine. I always change oil on regular intervals and there were no check engine lights and engine continued to run fine with no loss of power or ticking changing. It was our only vehicle so we had to continue to drive that day. Wife was driving and said vehicle shuddered and started sounding funny and check engine light came on she was able to drive back home. Now ticking is worse with a clucking rattling sound now coming from oil pan. After some internet searching it very much sounds like issues many others are having with the 6.2l GM engine.

NHTSA complaint #11734675 — an unverified report by a vehicle owner.

Saint Marys, OH

VEHICLE SPEED CONTROL

At 70 mph the adaptive cruise control system applied the brakes hard enough to engage the abs system even though my lane of travel was clear. There was a car on the exit ramp to the right applying their brakes not in my path that I believe my vehicle picked up. There were several vehicles behind me and it almost caused an accident. There needs to be a way to disable the adaptive cruse on this vehicle for safety concerns. This has happened to me on multiple occasions and I reported it to the General Motors hotline with absolutely no feedback on the issue.

NHTSA complaint #11734243 — an unverified report by a vehicle owner.

Saint Marys, OH

FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

At 70 mph the adaptive cruise control system applied the brakes hard enough to engage the abs system even though my lane of travel was clear. There was a car on the exit ramp to the right applying their brakes not in my path that I believe my vehicle picked up. There were several vehicles behind me and it almost caused an accident. There needs to be a way to disable the adaptive cruse on this vehicle for safety concerns. This has happened to me on multiple occasions and I reported it to the General Motors hotline with absolutely no feedback on the issue.

NHTSA complaint #11734243 — an unverified report by a vehicle owner.

Saint Marys, OH

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

At 70 mph the adaptive cruise control system applied the brakes hard enough to engage the abs system even though my lane of travel was clear. There was a car on the exit ramp to the right applying their brakes not in my path that I believe my vehicle picked up. There were several vehicles behind me and it almost caused an accident. There needs to be a way to disable the adaptive cruse on this vehicle for safety concerns. This has happened to me on multiple occasions and I reported it to the General Motors hotline with absolutely no feedback on the issue.

NHTSA complaint #11734243 — an unverified report by a vehicle owner.

Bakersfield, CA

ENGINE

P0304 and P0306 misfiring and compression on both cylinders is 0. Both lifters have broke and collapsed. It started with a noise, once checked by the mechanic, we were told the lifter was going bad, before we could get it repaired it completely broke and that is when the check engine light came on and went off repeated times. At this time it is pouring out black smoke when driving and must have a complete engine replacement. The replacement work has been quoted for $10479.57.

NHTSA complaint #11725128 — an unverified report by a vehicle owner.

at 62,008 miles Longmont, CO

ENGINE AND ENGINE COOLING

The contact owns a 2019 GMC Yukon XL. The contact stated that while driving approximately 50 - 55 MPH, and slowing down to approximately 40 MPH, the check engine warning light illuminated, and the engine started knocking. The contact noticed that the engine was one quart of oil low after an oil change and driving less than 2,058 miles. The vehicle was not taken to the dealer, but was not repaired. As a certified mechanic, after searching NHTSA.GOV, the contact became aware of NHTSA ID Numbers: EA25007 (Engine, Engine and Engine Cooling) and RQ26001 (Engine); related the failure to the campaigns. The manufacturer was not informed of the failure. The failure mileage was approximately 62,008.

NHTSA complaint #11722908 — an unverified report by a vehicle owner.

at 62,008 miles Longmont, CO

ENGINE

The contact owns a 2019 GMC Yukon XL. The contact stated that while driving approximately 50 - 55 MPH, and slowing down to approximately 40 MPH, the check engine warning light illuminated, and the engine started knocking. The contact noticed that the engine was one quart of oil low after an oil change and driving less than 2,058 miles. The vehicle was not taken to the dealer, but was not repaired. As a certified mechanic, after searching NHTSA.GOV, the contact became aware of NHTSA ID Numbers: EA25007 (Engine, Engine and Engine Cooling) and RQ26001 (Engine); related the failure to the campaigns. The manufacturer was not informed of the failure. The failure mileage was approximately 62,008.

NHTSA complaint #11722908 — an unverified report by a vehicle owner.

at 170,000 miles Cherokee, AL Crash 3 injured

AIR BAGS

The contact owns a 2019 GMC Yukon. The contact stated that while driving approximately 5 MPH, a second vehicle traveling approximately 65 MPH crashed into the front drivers side of the vehicle. During the crash, the vehicle sustained severe front-end damage, but no airbags in the vehicle deployed. The contact sustained injuries that included fractured ribs and a fractured left hip, and a sternum contusion. The contact was air-lifted to the hospital. Two occupants in the second vehicle were transported to the hospital with unknown injuries. A police report was taken at the scene, and the vehicle was towed away. The contact indicated that the vehicle was destroyed during the crash. The cause of the failure was not determined. The manufacturer and local dealer were not contacted. The failure mileage was 170,000.

NHTSA complaint #11716206 — an unverified report by a vehicle owner.

Fair Haven, NJ

ENGINE

I suddenly noticed a noise coming from the engine that sounded like a noisy lifter and stopped using the car after hearing it. The next day I called Circle Chevrolet to check and verify if they could check the car and do any work required under the CPO Warranty. They advised that they could since they were part of the GM Family and could do any work required under the CPO Warranty. I then arranged to have the car towed to Circle Chevrolet to prevent any further damage, that was on Oct 20, 2025. The CPO Warranty was due to expire on Oct 27, 2025 due to time, not mileage. The dealership advised that the vehicle would need to be examined by one of only 3 qualified mechanics in their shop who could do this evaluation and determination if the issue(s) were covered under the CPO Warranty and it would be about 3 days before they could have one of their 3 qualified technicians check the car. The Service Adviser called me back on October 22nd, 2025, and advised that Cylinder 5 had noisy lifters and that they would be changing out the engine with a newly rebuilt engine, all under the CPO Warranty. The Service Adviser said it would take 3-5 days to get the replacement engine in and then about 2-3 days to replace the engine. However, less then 24 hours after getting my car back, the check engine light came on, which was not on when I had the car towed to the dealer. They said the catalytic converter needed to be replaced and said it would be ~$6000. They refused to cover the replacement even though the catalytic converter was damaged due to a combination of the engine problem/defect and the testing and installation work performed by the dealer. I reached out to the dealer and GMC and they refused to address the issue and would not provide an itemized estimate to replace the catalytic converter and refused to return my phone calls I made to both the Service Adviser and Service Manager. The GMC representative I spoke to refused to address the issue as well.

NHTSA complaint #11714859 — an unverified report by a vehicle owner.

Springfield, VA

POWER TRAIN

The transmission is shaky, Lower gears the truck seems to fight it way into the next gear, I feel this is happening around 3 to 5 gears. One garage told me the power converter was failing. I changed the transmission fluid and filter and it got better, but sill, this is an expensive truck. This is power train, this should be covered to 100,000 miles.

NHTSA complaint #11711548 — an unverified report by a vehicle owner.

at 104,389 miles Houston, TX

ENGINE AND ENGINE COOLING

The contact owns a 2019 GMC Yukon XL. The contact stated that while driving approximately 30 MPH, there was a misfire in the engine, with a ticking sound coming from the engine compartment. There was no warning light illuminated. The dealer was contacted; however, the vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure, and a case was opened. The contact was referred by the manufacturer to the NHTSA Hotline for assistance with having the VIN linked to NHTSA Action Number: PE25001 (Engine and Engine Cooling). The approximate failure mileage was 104,389.

NHTSA complaint #11705415 — an unverified report by a vehicle owner.

Coppell, TX

ENGINE

Camshaft/Lifter broken and need replaced

NHTSA complaint #11704614 — an unverified report by a vehicle owner.