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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1658 (Engine Control System & Fuel System - 6.6L (LMM) - Troubleshooting And Diagnosis) >> Inspection/Maintenance (I/M) Test DTC Table

Inspection/Maintenance (I/M) Test DTC Table

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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
Catalyst Monitoring DTC P0420
EGR DTC P0401 or P0402
Misfire Monitoring DTC P0300-P0308
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