For vehicles with electronic power steering systems, the control module uses torque from the motor to help provide you with smooth steering capabilities. If the power steering in your GMC Yukon XL starts to fail, you can still steer, but not easily, and you should pull over immediately. Get replacement control modules and more at StockWiseAuto.com.
If you lose power steering, your vehicle is essentially inoperable, as even slight steering wheel adjustments would take some muscle. When repairs on your GMC Yukon XL can't wait, count on StockWiseAuto.com to get replacement OEM parts to you ASAP, with same-day shipping available for most orders and savings of up 60 percent.