Code Enable Criteria

WARNING: This page is about a different car, the 2001 GMC Savana, 2001 Chevrolet RV Cutaway, 2001 Chevrolet Cutaway, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Engine Coolant Temperature (ECT) is 176-248°F (80-120°C).
Intake Air Temperature (IAT) is less than 212°F (100°C).
Desired EGR position is more than 15 percent.

DTC sets when EGR pintle position voltage is 4 percent or more with EGR valve commanded closed for more than 10 seconds while vehicle is being driven.