2009 GMC Yukon Denali XL problems & reliability
22 owner complaints filed with NHTSA for the 2009 GMC Yukon Denali XL. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
1 complaint report injuries (3 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Unknown OR Other | 8 | 36% |
| Air Bags | 7 | 32% |
| Electrical System | 3 | 14% |
| Engine | 3 | 14% |
| Latches/locks/linkages | 3 | 14% |
| Structure | 3 | 14% |
| Power Train | 1 | 5% |
| Service Brakes | 1 | 5% |
| Vehicle Speed Control | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“The contact owns a 2009 GMC Yukon Denali XL. The contact stated while depressing the accelerator pedal, the vehicle experienced delayed acceleration. The contact stated that the check engine warning light was illuminated. The vehicle was taken to a local mechanic but was not diagnosed or repaired. The manufacturer was…”
Power Train · filed Sep 29, 2021
“Airbag service light is on, oil pressure fluctuation occurs and the vehicle pulls to the left when applying brakes after new brake pads and rotors were installed.”
Air Bags · filed Sep 27, 2018
“Takata recall. My denali has fallen ill to the well documented poorly engineered dash cracking, in my case around passenger airbag open. This creates an eminent personal injury safety hazard to front seat passenger. If a situation arose whereas air bag was activated, as airbag cover ejected, the dash becomes an…”
Unknown OR Other · filed Aug 15, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
1,189 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2009 GMC Yukon Denali XL. The 10 most recent:
New Vehicle Monitoring Programs Section in IVH
13598 · Other · issued Sep 9, 2025
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may…
PIC5650M · Service Bulletin/Repair Instructions · issued Aug 7, 2025
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIP5601C · Service Bulletin/Repair Instructions · issued Jul 18, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
13-02-32-001H · Service Bulletin/Repair Instructions · issued Apr 11, 2025
This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
23-NA-001 · Service Bulletin/Repair Instructions · issued Mar 28, 2025
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
03-06-01-023I · Service Bulletin/Repair Instructions · issued Dec 18, 2024
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
03-06-01-023H · Service Bulletin/Repair Instructions · issued Oct 7, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 2009 GMC Yukon Denali XL in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2009 GMC Yukon Denali XL?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.