Inspection/Maintenance (I/M) System DTC Table
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Inspection/Maintenance (I/M) System DTC Table
| System | DTCs Required to Set System Status to YES |
|---|---|
| EGR | DTC P0401 |
| Misfire Monitoring | DTC P0300 (Federal Emissions)
or DTC P0300 (California Emissions) DTC P0301-P0308 (Federal Emissions) or DTC P0301-P0308 (California Emissions) |