2002 GMC Yukon XL Denali problems & reliability
26 owner complaints filed with NHTSA for the 2002 GMC Yukon XL Denali. 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.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Service Brakes, Hydraulic → | 12 | 46% |
| Service Brakes | 9 | 35% |
| Engine and Engine Cooling | 4 | 15% |
| Power Train | 2 | 8% |
| Electrical System | 1 | 4% |
| Fuel System, Gasoline | 1 | 4% |
| Seats | 1 | 4% |
| Structure | 1 | 4% |
| Suspension | 1 | 4% |
| Tires | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 12 reported components →Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Among the 21 complaints that included a usable odometer reading, the median reported incident mileage was 106,600 miles (middle 50% between 75,000 and 146,247 miles).
Complaints by incident year
What owners report
“I was driving on 58 west in stuart va when we came around a curve and an 18 wheeler was broken down in the middle of our lane. Two vehicles were stopped behind the truck. I quickly applied the brakes and the pedal went to the floor. I was able to maneuver between the stopped traffic and the oncoming vehicle in the…”
Service Brakes · filed Jul 12, 2018
“Traveling at approximately 35mph, applied brakes for upcoming stop sign and brakes failed. Inspection revealed that brake line broke as the result of corrosion to line at rear axle. Mechanic states all brake lines demonstrating unusual amount of rusing, all brake lines replaced. Mechanic states frame will be rusted…”
Suspension · filed Sep 23, 2014
“Stepped on brake pedal to slow down and brake pedal went to the floor. There was enough room in another lane to eventually slow down without a collision. Got under rear of vehicle and located leaking brake fluid line. Right rear passenger brake line. *tr”
Service Brakes · filed Jun 22, 2014
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- PARKING BRAKE FAILURE
Defect Petition DP05009 · opened Dec 20, 2005 · closed May 31, 2006
- UNWANTED LOW-SPEED ABS ACTIVATION
Preliminary Evaluation PE05020 · opened Apr 28, 2005 · closed Sep 13, 2005 · led to recall 05V379000
Technical service bulletins
87 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2002 GMC Yukon XL Denali. The 10 most recent:
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 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
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to…
General Communication · Service Campaign · issued Aug 26, 2024
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This…
24-NA-141 · Service Bulletin/Repair Instructions · issued Jul 24, 2024
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how…
16-NA-383 · Service Bulletin/Repair Instructions · issued Jun 28, 2024
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
18-NA-099 · Service Bulletin/Repair Instructions · issued Jun 17, 2024
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and…
24-NA-098 · Service Bulletin/Repair Instructions · issued Jun 6, 2024
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
10-08-45-001H · Service Bulletin/Repair Instructions · issued Mar 28, 2024
This bulletin advises the technician of possible location of an internal coolant leak from a specific cylinder head and location.
06-06-01-019C · Service Bulletin/Repair Instructions · issued Mar 14, 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 2002 GMC Yukon XL Denali 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 2002 GMC Yukon XL Denali?
- · 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.
- · Among complaints with usable mileage, the median reported incident mileage was 106,600 miles. This does not predict when a particular vehicle will develop a problem.