What kind of transfer case does Yukon AT4 have?
AT4’s AutoTrac ® 2-speed transfer case with low-range gearing helps provide additional torque for powering up steep obstacles. also gives you greater confidence in slick or off-road conditions.
Is there a problem with the GM encoder?
The easiest way to confirm this problem is to tap on the button and watch the scan data along with the switch LEDs. When we did this, it caused all kinds of random lights and data readings. At one point, it even turned on the 4WD warning indicator.
Is the AT4 trim available for Yukon XL?
Building on the bold, commanding presence of the Next Generation 2021 Yukon, the AT4 trim is available for both Yukon and Yukon XL. It sets itself apart with distinct visual cues, genuine off-road ability and innovative technology to help you keep exploring.
What kind of engine does a Yukon AT4 have?
When the going gets tough, Yukon AT4 has been engineered to feature the genuine off-road ability needed to tackle the rough terrain. The standard 5.3L EcoTec V8 engine (355 hp and 383 lb-ft of torque) is paired with a 10-speed automatic transmission that offers smooth power delivery in a variety of driving situations.
Why is my GMC Yukon stuck in 4WD?
Has gone into 4WD LO mode by itself. Can’t change drive mode. Problem and message will go away for weeks sometimes. When I start my 2005 GMC Yukon, it will often times, by stuck in 4WD and won’t switch to 2WD when I push the 2WD button.
How can I get my GMC Yukon XL back to 4WD?
Service 4WD notice routinely reported on dash. Inability to change 2WD to 4WD (or back) particularly after extended running period. Periodic solution by turning ignition off then back on, but solution is unpredictable. My Truck is stuck in 4WD Low.
The easiest way to confirm this problem is to tap on the button and watch the scan data along with the switch LEDs. When we did this, it caused all kinds of random lights and data readings. At one point, it even turned on the 4WD warning indicator.
Is the 4WD light on on my Yukon?
No lights on 4wd switch..seems to have power but put on a new switch and still nothing. 4WD does not work. upon starting, 4wd low is already engaged, difficult switching out of low. has happened twice.