2024 GMC Yukon XL
The 2024 GMC Yukon XL is a full-size SUV known for its spaciousness, especially in the extended “XL” version, and comfortable ride. It’s a popular choice for families needing ample passenger and cargo space. Available engine options include a 5.3L EcoTec3 V8 producing 355 horsepower and 383 lb-ft of torque, a 6.2L EcoTec3 V8 delivering 420 horsepower and 460 lb-ft of torque, and a 3.0L Duramax Turbo-Diesel producing 277 horsepower and 460 lb-ft of torque. All engines are paired with a 10-speed automatic transmission. Some owners appreciate the Yukon XL’s luxurious features and towing capacity, while others have mentioned concerns about its size for everyday driving and fuel economy.
Engine
5.3L EcoTec3 V8
- Active Fuel Management (AFM)/Dynamic Fuel Management (DFM) Lifter Failure
- Description/Symptoms: Engine misfires, rough running, check engine light. Often accompanied by diagnostic trouble codes (DTCs) related to cylinder deactivation. The AFM/DFM system deactivates cylinders to improve fuel economy, but the lifters in this system can fail, leading to engine problems.
- Solution: Replacement of the failed lifters and potentially the camshaft if it has been damaged. In some cases, AFM/DFM delete kits are installed.
- Estimated Cost to Fix: $2,500 - $5,000+
- Recalls: None Found
6.2L EcoTec3 V8
- Active Fuel Management (AFM)/Dynamic Fuel Management (DFM) Lifter Failure
- Description/Symptoms: Engine misfires, rough running, check engine light. Often accompanied by diagnostic trouble codes (DTCs) related to cylinder deactivation. The AFM/DFM system deactivates cylinders to improve fuel economy, but the lifters in this system can fail, leading to engine problems.
- Solution: Replacement of the failed lifters and potentially the camshaft if it has been damaged. In some cases, AFM/DFM delete kits are installed.
- Estimated Cost to Fix: $2,500 - $5,000+
- Recalls: None Found
3.0L Duramax Turbo-Diesel
- Fuel Injector Issues
- Description/Symptoms: Hard starting, rough idling, decreased fuel economy, and black smoke from the exhaust. These issues can be caused by faulty injectors or debris clogging the fuel system.
- Solution: The most common solution is to have the fuel injectors professionally cleaned or replaced.
- Estimated Cost to Fix: $800-$2,000
- Recalls: None Found
Transmission
10-Speed Automatic (All Engine Options)
- Harsh Shifting/Delayed Engagement
- Description/Symptoms: Rough or jerky shifts between gears, particularly at lower speeds. Can also experience delayed engagement when shifting from Park to Drive or Reverse.
- Solution: A software update of the transmission control module (TCM) may resolve the issue. In more severe cases, valve body replacement or transmission rebuild may be necessary.
- Estimated Cost to Fix: $100 (for software update) - $4,000+ (for rebuild)
- Recalls: None Found
Suspension
- Air Ride Suspension Compressor Failure (If Equipped)
- Description/Symptoms: The rear of the vehicle sags, ride height is uneven, or the air compressor runs constantly and is noisy. Error messages related to the suspension system may also appear.
- Solution: Replacement of the air suspension compressor.
- Estimated Cost to Fix: $800-$1500+
- Recalls: None Found
Electrical
- Infotainment System Freezing/Crashing
- Description/Symptoms: The infotainment screen freezes, becomes unresponsive, or crashes unexpectedly.
- Solution: Software updates can often resolve these issues. In some cases, the infotainment unit may need to be replaced.
- Estimated Cost to Fix: $0 (for software update) - $1,200+ (for replacement)
- Recalls: None Found
- Blind Spot Monitoring System Malfunction
- Description/Symptoms: The blind spot monitoring system fails to detect vehicles in the blind spot, or it provides false alerts.
- Solution: Check the sensors for damage or obstruction. Software updates may be required. If the sensors are faulty, they will need to be replaced.
- Estimated Cost to Fix: $100 (for software update) - $500+ (for sensor replacement)
- Recalls: None Found
Exterior
- Rear Liftgate Malfunction
- Description/Symptoms: The power liftgate fails to open or close properly, gets stuck, or makes unusual noises.
- Solution: Inspect the liftgate struts, sensors, and motor for damage. Replace any faulty components.
- Estimated Cost to Fix: $200-$800+
- Recalls: None Found
Interior
- Seat Heating/Cooling System Failure
- Description/Symptoms: The seat heating or cooling system fails to function properly, providing little to no heat or cooling.
- Solution: Check the heating/cooling element and the control module. Replace any faulty components.
- Estimated Cost to Fix: $200 - $800+
- Recalls: None Found
- Sunroof Leaks
- Description/Symptoms: Water leaks into the cabin, especially during heavy rain or car washes, often staining the headliner or causing dampness in the interior.
- Solution: Inspect the sunroof seals and drainage tubes. Clean or replace damaged seals. Clear any obstructions in the drainage tubes.
- Estimated Cost to Fix: $100-$500+
- Recalls: None Found
Summary
The 2024 GMC Yukon XL appears to have some potential issues primarily related to the engine (especially lifter failure in the V8 models), transmission shifting, and electrical components like the infotainment system. The severity of these issues ranges from minor inconveniences solvable with software updates to major repairs requiring engine or transmission work. The estimated cost to fix these issues can vary significantly, from a few hundred dollars for sensor replacements or software updates to several thousand dollars for engine or transmission rebuilds or replacements. Potential buyers should be aware of these potential problems and carefully inspect the vehicle and its service history before purchasing.