2018 Gmc Yukon Xl problems, complaints & recalls
Most-reported problem areas: Engine (10) · Power Train (9) · Service Brakes (8)
🧭 Reliability snapshot
Compared against other Gmc Yukon Xl model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (2)
Power Train:transfer Case (4-Wheel Drive) 2026-05-07 · campaign 26V289000 · 66 vehicles ⚠ DO NOT DRIVE
Defect: General Motors, LLC (GM) is recalling certain 2026 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, and GMC Sierra 1500, Yukon, and Yukon XL vehicles with four-wheel (4WD) or all-wheel drive (AWD), and certain 2015-2020 Suburban, Escalade, Escalade ESV, Yukon, Yukon XL, and Tahoe vehicles. A component missing from the drivetrain transfer case may cause the front and/or rear wheels to lock up without warning to the driver.
Risk: Front or rear wheel lockup increases the risk of a crash.
Fix: Owners are advised not to drive their vehicle until the remedy is completed. Dealers will inspect and, if necessary, replace the transfer case assembly, free of charge. Owner notification letters were mailed May 18, 2026. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-333-4223. GM's number for this recall is N262557620. Vehicle Identification Numbers (VINs) involved in this recall became searchable on
Seat Belts:rear/Other 2018-09-26 · campaign 18V673000 · 15,800 vehicles
Defect: General Motors LLC (GM) is recalling certain 2018-2019 Cadillac CT6, Escalade ESV, Chevrolet Suburban, Volt, and GMC Yukon XL vehicles. Certain second-row or third-row rear seatbelts retractor assemblies may not automatically lock when the seatbelt is fully pulled out of the retractor, possibly preventing a child seat from being properly secured. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection.
Risk: If the child seat is not properly secured in the event of a crash, it can increase the risk of injury.
Fix: GM will notify owners, and dealers will inspect the rear seatbelt retractors and replace them if necessary, free of charge. The recall began November 7, 2018. Owners may contact Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is 18315.
Service bulletins (919)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Unknown Or Other 2026-07-21 · PIT5099J · Service Bulletin/Repair Instructions
pi to help diagnose a/c concern
Unknown Or Other 2026-07-21 · PIT5509N · Service Bulletin/Repair Instructions
this pi provides diagnostic tips for diagnosing electric trailer brakes issues.
Unknown Or Other 2026-05-14 · PIT5509M · Service Bulletin/Repair Instructions
this pi provides diagnostic tips for diagnosing electric trailer brakes issues.
Unknown Or Other 2026-04-01 · PIT3271Q · Service Bulletin/Repair Instructions
this preliminary information communicates information about how to determine if a wheel and tires size change is available.
Showing the 6 most recent of 919 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-21 · Unknown Or Other“i was driving and the engine light started blinking. the car started to lose power. i had to pull off the road. the blinking stopped and then i was able to get home. i had it towed to the dealership, where they told me this was a known issue with the afm valve train system. this is a known issue and i was not made aware of it and continued to driv…”
2026-10-15 · Electrical System“body control module failed causing the vehicle to lose all power. battery shorted out to 6 volts. required a tow.…”
2026-10-13 · Power Train“replaced the transmission two times at about $14,000. need a new motor with an estimated replacement of $10,000. …”
2026-09-17 · Engine“low engine oil pressure with engine making noise. cut open oil filter and found excessive metal. original engine was replaced in january 2022 by group 1 (former beck and masten gmc-north in houston, tx) due to valve lifter failure.…”
2026-07-22 · Power Train“transmission gave out while driving on the road at 50 mph…”
2026-06-17 · Unknown Or Other“transmission lifter problems like all other gmc 2018 yukon xl contacted gmc dealer back january 20,2026 got transmission fixed myself truck at joe bullard dealship mos 8days they are trying to contact u for approval to fix honor your product please.…”
2026-06-01 · Engine“on may 27, 2026 at around 7:30pm my 2018 gmc yukon xl denali engined failed. i was exiting e-470 southwest bound at gartrell road in aurora and the engine started knocking loudly and completely quit. as i rolled to a stop i correctly suspected that the engine seized. it would not turn over, a bad odor was present, and smoke was coming from the to…”
2026-05-23 · Power Train“the vehicle keep jerking in and out of gear the issue almost made me crash due to the harsh conditions took to repair they stated this is a known problem. that is what worries me now …”
2026-04-18 · Unknown Or Other · 💥 crash“the back hatch would not open while the car was on and in park. upon reaching in without being in the car, we turned it off, and it engaged reverse on its own, causing it to reverse immediately almost causing terminal harm to myself and my family. it careened into the woods with us unable to stop it due to the immediate speed. no one was in the veh…”
2026-04-13 · Seat Belts“seat belts do not lock in place causing our infant and child's seats to not be locked in place and tip over the potential risk to a child is extremely high potentially causing death of a child…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.