Skip to content
Lane departurePart report

2021 GMC Yukon Lane departure Problems

Complaints
5about this part
Share
1%of 345 total for the year
Median mileage
63,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the lane departure of the 2021 GMC Yukon, 1% of the 345 complaints for this model year. Where a mileage was given, the median is 63,000 miles. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“My vehicle has software that controls the rear gate, cameras, and my safety features for blind spots—seat buzzer to warn of collisions and voice activated phone system. I recently had a safety recall involving my back wheels locking up during driving. I had the recall done by Power Chevrolet and it affected my cameras, which I noticed were longer accurate immediately after leaving the dealership. My seat buzzer kept buzzing warning me of a collision due to the cameras inaccuracy. …”

NHTSA complaint #11637648, filed 2025-01

“My blind spot warning light and signal doesnt work all the time. for example, if a pass a car, or a car passes me at a speed of more than 5 miles per hour, there is no notification from the blind spot warning light in the mirror, or an audalble signale either. i have taken the car to the GMC dealership 3 times and i was told that is normal, and nothing is wrong. I own other GMC models and i have never experianced this intermitant issue.”

NHTSA complaint #11457792, filed 2022-03

“The contact owns a 2021 GMC Yukon. The contact stated that while driving at various speeds, the vehicle shuddered abnormally with blue smoke coming from the exhaust, with the message Lane Departure Assist displayed. The check engine and stabili-trak warning lights were illuminated. The vehicle was taken to a local service center, where it was diagnosed with cylinder #1 misfire. The local dealer was contacted. The vehicle was not diagnosed or repaired. Upon further investigation, the contact related the failure to the GMC Service Bulletin:15-06-01-002L. …”

NHTSA complaint #11725844, filed 2026-03, 110,000 miles

“The contact rented a 2021 GMC Yukon. The contact was driving at 75mph, the contact stated they felt the steering wheel was moving independently causing the vehicle to veer in the opposite direction. Both hands were required in order to control the steering wheel. The contact attempted to avoid a large puddle, the vehicle independently veered to the right causing a crash with a curb and crossed an exit ramp which caused the vehicle to crash then into an embankment and into a ditch. This caused damage to the front passenger side tire of the vehicle. …”

NHTSA complaint #11430208, filed 2021-08, 16,000 miles

“Font Camera failure. Front camera controls many safety features which fail without the camera. Vehicle under mileage warranty amount but not under time warranty ( 3 years ). Camera only covered under bumper to bumper.”

NHTSA complaint #11641343, filed 2025-02

Lane departure: other model years

YearComplaintsShare of year
202523%
202411%
202310%
202242%
202151%
201811%
201711%
201631%
201111%
200811%

Other parts of the 2021 GMC Yukon

Engine
190 complaints
Fuel system
57 complaints
Transmission and drivetrain
55 complaints
Engine cooling
32 complaints
Electrical system
31 complaints
Other or unknown
23 complaints
Forward collision avoidance
19 complaints
Air bags
18 complaints
Brakes
12 complaints
Steering
11 complaints
Seats
7 complaints
Suspension
6 complaints

← All problems reported for the 2021 GMC Yukon

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology