2021 GMC Yukon XL Suspension Problems
- Complaints
- 6about this part
- Share
- 3%of 230 total for the year
- Median mileage
- 2,050miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the suspension of the 2021 GMC Yukon XL, 3% of the 230 complaints for this model year. Where a mileage was given, the median is 2,050 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.
“GMC currently has bulletin out on the issue and how to fix it. unfortunately this doesn't not fix it and I am going to have to replace my whole rear differential at only 60,500 miles. Gmc is well aware of the situation and has not done a recall. The fix the bulletin proposes would not work and there was over and inch of metal shaving found. This is a huge issue in the specific vehicle and the part to replace the rear differential isn't even available (national backorder with no ETA) leaving customers without a vehicle or solution for their faulty issues. …”
NHTSA complaint #11627987, filed 2024-11“12/16/25 (evening): Warnings began cycling across the screen: 1) Service ESC, 2) Vehicle Leveling for Stability, 3) Rear Axel System Off, 4) Engine symbol began flashing, and 5) Service Traction Control. I felt vibration/bouncing while driving as well. 12/17/25 9 AM: Took 2021 GMC Yukon Denali to GMC dealership. They ran a computer scan and reported a misfire, but nothing else appeared to be wrong. They told me that sometimes a low battery can cause the warning lights and messages to cycle. They recommended that I keep driving it and return if the warnings appeared again. …”
NHTSA complaint #11708039, filed 2025-12“When driving at slow speed and wheels turning right or left you can hear a humming coming from the suspension. Unable to identify the issue. When wheels get straight the humming goes away”
NHTSA complaint #11712106, filed 2026-01“The vehicle has experienced recurring suspension, drivability, and pulling issues associated with the 4-corner air ride leveling suspension system since early ownership. The first major incident occurred at approximately 4,600 miles when the vehicle displayed suspension warnings and would not accelerate properly past highway speeds. Since that time, the vehicle has repeatedly experienced pulling during acceleration, unstable ride behavior, suspension/leveling concerns, alignment-related issues, and drivability instability. …”
NHTSA complaint #11736686, filed 2026-05Related service bulletins
- 11024335Sep 6, 2025This bulletin advises the techs that the front and or rear shocks need to be replaced as a set and not 1 at a time to avoid the road and ride performance not to be compromised.
- 11022032May 5, 2025This bulletin advises the techs that the front and or rear shocks need to be replaced as a set and not 1 at a time to avoid the road and ride performance not to be compromised.
- 11019516Apr 17, 2025This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- 11015606Mar 5, 2025This bulletin provides a service procedure to replace the sway bar bracket retainers if found the cause of the clunking noise from front of vehicle.
- 11014636Feb 27, 2025This Preliminary information communicates a tip when diagnosing an inoperative air leveling suspension system and to repair any loss of comm DTC's with the power window motors…
- 11014635Feb 27, 2025This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system…
- 11015409Feb 25, 2025This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
- 11014299Feb 13, 2025This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system…
- 11013392Jan 29, 2025This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system…
- 11011771Dec 11, 2024This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.
Suspension: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 2 | 3% |
| 2023 | 2 | 1% |
| 2022 | 2 | 1% |
| 2021 | 6 | 3% |
| 2020 | 1 | 2% |
| 2019 | 1 | 1% |
| 2018 | 4 | 7% |
| 2017 | 4 | 3% |
| 2016 | 9 | 4% |
| 2015 | 5 | 2% |
| 2011 | 1 | 2% |
| 2007 | 1 | 1% |
| 2005 | 3 | 7% |
| 2004 | 2 | 2% |
| 2003 | 4 | 4% |
| 2002 | 3 | 3% |
| 2001 | 1 | 1% |
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 complaintsVisibility (wipers, defrost, mirrors)
6 complaintsAir bags
4 complaintsSteering
4 complaints
← All problems reported for the 2021 GMC Yukon XL
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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