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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1040 (Engine Controls And Fuel - 6.6L - Troubleshooting & Diagnosis) >> Inspection/Maintenance (I/M) System DTC Table

Inspection/Maintenance (I/M) System DTC Table

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
System DTCs required to Set System Status to Yes
EGR DTC P0401 or P0402
Misfire Monitoring DTC P0300-P0308
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