2015 GMC Yukon XL Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 306 complaints citing each category; one complaint can cite several. Full breakdown on the 2015 GMC Yukon XL overview page.
What owners report
“I WAS DRIVING UP NORTH IN 4WHEEL DRIVE AND TRANSMISSION CAM OUT OF GEAR I STOPPED THE VECHILE AND RESTARTED NOW THE TRANSMISSION DOES NOT…”NHTSA complaint 11190131 — filed 03/19/2019
“TRANSMISIN PROBLEMS WE WHERE DRIVING AROUND THE CITY AT AT 30-40MPH WHEN THE GEARS WENT CRAZY IT ACCELERATED BY ITSELF RPMS WENT CRAZY IT SOUNDED…”NHTSA complaint 11115679 — filed 08/03/2018
“PROBLEM STARTED WHEN DRIVING AT 60-70 MPH YOU CAN FEEL A STRONG VIBRATION CAUAES ENTIRE TRUCK TO SHAKE DONT KNOW WHAT IT IS DEALERS CANT…”NHTSA complaint 11115676 — filed 08/03/2018
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2015 GMC Yukon XL have transmission & power train problems?
Power Train is the #4 most-reported problem area on the 2015 GMC Yukon XL: 32 of 306 complaints on file (10.5%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2015 GMC Yukon XL have in total?
306 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 6 involved a crash, 3 involved a fire, 5 reported injuries, and none reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.