Conditions For Setting DTC
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, and 2002 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
- The vehicle must be driven.
- The difference between the desired EGR position and the EGR position sensor is more than 10 percent.
- The condition is present for more than 13 seconds.