2021 GMC Yukon XL Lane departure Problems
- Complaints
- 2about this part
- Share
- 1%of 230 total for the year
- Median mileage
- 100miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the lane departure of the 2021 GMC Yukon XL, 1% of the 230 complaints for this model year. Where a mileage was given, the median is 100 miles.
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.
“I've owned over a dozen GM trucks over the last 20+ years and this model is the worst ever! My complaint: GM took away the turn signal lights on the side mirrors. The turn signal indicators on the dash are too small and located with many other lights/indicators, so they cannot be seen quickly nor 'easily' and can't be heard under normal traffic conditions. This creates an incredibly dangerous situation with driver distraction trying to see if a turn signal has been activated and increases the risk of vehicles next to the truck not expecting a lane change if they are ahead of the tail lights. …”
NHTSA complaint #11390879, filed 2021-01, 100 miles“The vehicle had a total failure of its rear safety package which includes blind spot monitoring, rear cross traffic alert, rear parking sensors and rear safety alert. The warning illuminated on the dash that all of these functions were offline and service was needed. We took the Yukon to a GM dealer and they replaced a computer and had a hard time getting it to program. This failure also affected the HVAC system in the car, with the fan staying on high. After 23 days of service, the dealer thought they fixed it. …”
NHTSA complaint #11461959, filed 2022-04Lane departure: other model years
Other parts of the 2021 GMC Yukon XL
141 complaintsTransmission and drivetrain
49 complaintsFuel system
34 complaintsEngine cooling
21 complaintsElectrical system
14 complaintsOther or unknown
8 complaintsForward collision avoidance
7 complaintsVehicle speed control
7 complaintsBrakes
6 complaintsSuspension
6 complaintsVisibility (wipers, defrost, mirrors)
6 complaintsAir bags
4 complaints
← All problems reported for the 2021 GMC Yukon XL
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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