Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 23, 2025, are covered by this special coverage and must be submitted using the labor operation code
full bulletin at NHTSA ↗2024 GMC Yukon powertrain problems
moderate Owners of the 2024 GMC Yukon have filed 21 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
Complaints
21
Recalls
0
Avg fix
$2,500
| Model year | powertrain complaints |
|---|---|
| 2020 Yukon | 14 |
| 2021 Yukon | 42 |
| 2022 Yukon | 26 |
| 2023 Yukon | 34 |
| 2024 Yukon (this page) | 21 |
| 2025 Yukon | 5 |
| 2026 Yukon | 7 |
1injury
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
full bulletin at NHTSA ↗This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
full bulletin at NHTSA ↗This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
full bulletin at NHTSA ↗This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation, Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2024 GMC Yukon has racked up 19 complaints centered on catastrophic powertrain failures that leave owners stranded and unsafe.
Engine defects dominate: The 6.2L V8 (L87) has a manufacturing defect in the crankshaft and/or connecting rods under recall N252494000 (issued April 2025). Owners report sudden loss of power while driving, loud metallic grinding sounds on startup, and complete engine failure requiring replacement. One vehicle shut down on a highway with two children aboard; another failed at 24,740 miles, forcing the owner to rely on the fire department for rescue in 90-degree heat. The recall remedy—a P0016 inspection followed by either an oil change to 0W-40 or engine replacement—has no parts available as of July 2025. One owner waited 104 days at a dealership with the vehicle unrepaired.
Transmission failures are equally alarming: The 10-speed automatic exhibits valve body defects causing sudden loss of propulsion, unplanned shifts to neutral with "parameters not safe" warnings, transmission lockup, and unpredictable lurching. One owner's transmission was replaced twice by 175 miles; another's vehicle came back from service with 22 diagnostic codes and the transmission refusing to shift out of first and second gear. Valve body parts are backordered nationwide with no delivery timeline.
Secondary failures compound the risk: unexpected unintended acceleration, engine stalling at traffic lights and low speeds, loss of braking effectiveness, and electrical gremlins (non-functional start buttons, control module failures). One owner, a retired GM safety engineer, experienced sudden acceleration without touching the gas pedal. Another reported losing brake power and requiring full pedal depression to slow down.
Oil leaks from defective pan gaskets and rear main seals persist even after multiple dealer visits. One vehicle required four service attempts to resolve a leak present from delivery.
Same GMC Yukon powertrain reports on nearby years: 2021 · 2022 · 2023
Failure modes owners describe
Engine crankshaft and/or connecting rod defects (6.2L V8 L87)
Manufacturing defects in crankshaft and/or connecting rods cause catastrophic engine failure and loss of propulsion. Recall N252494000 / NHTSA Campaign 25V274 issued April 24, 2025. Remedy involves inspection for DTC P0016, oil change to 0W-40 if passed, or engine replacement per bulletin N252494002 if failed. As of July 2025, recall remedy parts unavailable with no timeline for availability. One owner reported vehicle stranded on highway 104 days after recall issued with no repair performed.
When: As early as 5,500 miles; reported at 24,740 miles; 33,294 miles
Symptoms owners cite: Loud metallic rattle on cold start; Loss of acceleration power while driving; High-pitched metallic sound ("like throwing a wrench in a fan") on engine cranking; Catastrophic engine failure with loss of electrical power; Burning or melted plastic odor after failure; Difficulty starting after restart
Codes mentioned: P0016 (cam/crank position correlation)
Repairs/costs cited: Engine replacement per bulletin N252494002 (parts backordered as of July 2025); interim remedy of oil change to 0W-40 and new oil cap; one owner reported months-long wait with rental vehicle partially covered out of pocket
Recalls/TSBs owners mention: Recall N252494000 / NHTSA Campaign 25V274 (April 24, 2025); related bulletins N252494001 (dealer inventory), N252494002 (engine replacement); extended warranty coverage for future failures; interim 0W-40 oil change recommended for passed inspections
Transmission valve body failure / 10-speed automatic transmission defects
Valve body in 10-speed automatic transmission fails, causing driveability issues, loss of propulsion, limp mode, and uncommanded shifts to neutral. First transmission replaced at 75 miles; second at 175 miles with humming and slipping. Valve body failures reported at 20,000+ miles with scans showing 22 repair codes. One owner's vehicle locked in 1st/2nd gear with valve body backordered nationwide with no ETA. Addressed by GM Service Bulletin PIP6069.
When: 75 miles (first transmission); 175 miles (second transmission); 20,000+ miles (valve body failures); one vehicle at 25,000 miles with 30+ day shop stay
Symptoms owners cite: Transmission slipping at 30-35 mph; Dashboard flashing and service transmission messages; Sudden vehicle slowdown from 60 mph to 30 mph without warning; Complete loss of propulsion with shift to neutral; "Parameters not safe to change gear" message; Vehicle lock-up in 1st/2nd gear; Transmission lunging and shuttering; Intermittent shift changes and juddering feel; "Conditions not Available to Change Gear" message at traffic light; Transmission hesitation and refusal to shift out of low gears
Codes mentioned: 22 repair codes (specific codes not itemized by owner), PIP6069 reference
Repairs/costs cited: Valve body replacement (parts backordered; 3-5 days delivery mentioned in one case but nationwide shortages reported); one case required complete 10-speed transmission replacement; battery replacement also performed in one case but did not resolve issue; vehicles sidelined 30+ days with no ETA
Recalls/TSBs owners mention: GM Service Bulletin PIP6069 (valve body replacement); GM warranty plus GM CarBravo warranty coverage mentioned; GM acknowledged few instances require complete transmission replacement
Loss of braking effectiveness
Sudden loss of brake power while driving, requiring full pedal depression to slow vehicle. One incident required brake pedal pressed to floor with significantly reduced braking response. Loss of power-assisted braking occurred during complete power loss event. Braking function temporarily returned after restart in one case.
When: Approximately one month before power loss incident (no specific mileage stated)
Symptoms owners cite: Inability to stop normally at stop signs; Severely reduced braking response requiring full pedal depression; Loss of power-assisted braking during propulsion loss; Vehicle coasting to stop without assistance
Unexpected unintended acceleration
Vehicle accelerates without driver depressing accelerator pedal. One incident occurred immediately after shifting from reverse to drive with foot on brake pedal only. Owner is retired GM safety engineer and confident gas pedal was not depressed. Second similar incident suspected but circumstances unclear.
When: Not specified
Symptoms owners cite: Sudden forward acceleration without gas pedal input; Vehicle traveled ~20 feet before driver could stop with brake pedal
Engine stalling and no-start conditions
Engine stalls unexpectedly while driving or at traffic lights. Multiple instances of vehicle failing to restart or requiring restart to regain function. One vehicle exhibits pattern of stalling at low speeds with loss of propulsion.
When: At approximately 11,000 miles (one case); 24,000 miles (another case); recent occurrences at low speeds under 10 mph
Symptoms owners cite: Unexplained engine stall while stopped at red light; Stalling while pulling into parking lot; Intermittent stalling at low speeds (under 10 mph); Loss of propulsion with stall; Vehicle sputter with loss of response to accelerator; Motor randomly revving at braking then cutting off; "Conditions not Available to Change Gear" message during stall
Codes mentioned: Unknown warning lights and messages
Repairs/costs cited: Vehicle towed to dealer; diagnostic test pending in one case with vehicle not repaired as of complaint filing
Engine control module and electrical system defects
Electrical system failures including non-functional start button, engine racing, control module failures. Vehicle had electrical issues from delivery (in shop 2 months when new) and recurring problems throughout ownership. Engine control module replacement performed but did not resolve stalling/no-start issues. Dealership suspects wiring defect causing start problems.
When: From time of delivery; recurring throughout ownership
Symptoms owners cite: Engine racing; Start button not working or unresponsive; Engine cutting off and on by itself; Motor cutting on but not turning over; Door locks going up and down with alarm chiming; Service transmission messages with check engine light and dashboard flashing
Codes mentioned: Check engine light
Repairs/costs cited: Engine control module replacement performed but did not resolve issue; dealership suspects wiring problem requiring further diagnosis
Oil pan and rear main seal leaks
Oil pan gasket and rear main seal leaks causing continuous dripping on garage floor. Owner brought vehicle in for first oil change at 5,500 miles and leak was present from delivery. Dealership performed dye inspection twice without locating leak until owner physically showed mechanic the location. Vehicle still leaking after three service visits at 13,200 miles.
When: Leaking from delivery; first identified at 5,500 miles during first service
Symptoms owners cite: Oil dripping on garage floor nightly; Oil level requiring top-up every two weeks; Visible leak at oil pan plug area
Repairs/costs cited: Oil pan gasket and rear main seal replacement recommended at fourth service visit (scheduled); dye testing performed twice without success; leak unresolved after three previous visits
4WD traction and stability control issues
Vehicle fishtails at very low speeds in straight lane, creating unsafe handling. New tires installed prior to symptom onset ruling out tire defect.
When: Not specified; recent occurrence
Symptoms owners cite: Fishtailing at 30 mph in straight lane; Feels unsafe to drive
Camera system and parking/collision assist malfunction
Parking assist camera and collision control system does not function correctly.
When: Not specified
Symptoms owners cite: Camera system not working correctly for parking assist; Collision control system malfunction
Repairs/costs cited: Dealership having trouble obtaining GM coverage for repair
Synthesized from 21 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 3 most recent
vehicle parked for extended period, 7-10 days, entered vehicle on 12/05/25 and proceeded to start - immediately service transmission appeared in display, check engine light on, dash flashing and door locks going up and down and chiming of alarms. was able to place in reverse, backed up, put into drive and vehicle would move approx 5-8 ft, lock up and stop, start again and repeat, etc.. put…
Start transmission was replaced by dealer at 75 miles. 2nd transmission was replaced at 175 miles transmission was humming and slipped at around 30 to35 mph this was around April of 2024 August 1 2025 while driving at 45 dash board lit up went flashing and suv slowed dramatically down to 30 mph Got to dealership and they kept the vehicle for about a week and returned it with it being…
On 15 Aug 2025, I was driving this vehicle on Rte 151 in raccoon township with my 2 children when the vehicle suddenly and unexpectedly experienced a “loss of propulsion” with a corresponding uncommanded shift to “neutral”. Attempts to shift the car back into drive were met with a “parameters not safe” caution. I was fortunate enough that the vehicle behind me was able to slow and an accident was…
Had powertrain trouble with your 2024 GMC Yukon?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2024 GMC Yukon?
It's a documented issue but not catastrophic. 21 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Based on the 21 complaints filed, powertrain issues most often appear around 17,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2024/GMC/Yukon.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.