Inspection/Maintenance (I/M) System DTC Table. Chevrolet TrailBlazer

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2006 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Controls - 4.2L 🢒 Inspection/Maintenance (I/M) System DTC Table

System	DTCs Required to Set System Status to YES
AIR	DTC P0411 DTC P0412 DTC P0418 DTC P2430 DTC P2431 DTC P2432 DTC P2433 DTC P2440 DTC P2444
Catalyst	DTC P0420
Evaporative Emission (EVAP)	DTC P0442 DTC P0446 DTC P0496
Oxygen Sensor	DTC P0130 DTC P0131 DTC P0132 DTC P0133 DTC P0134 DTC P0137 DTC P0138 DTC P0140 DTC P1133
Oxygen Sensor Heater	DTC P0135 or P0141