Conditions For Setting DTC

WARNING: This page is about a different car, the 2002 GMC Sierra and 2002 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

EGR position sensor is 0.29 volts more than the EGR learned minimum position when the desired EGR position is commanded to 0 percent.
The vehicle must be driven.
The condition has to be present 3 times.