Inspection/Maintenance (I/M) System DTC Table
WARNING: This page is about a different car, the 2005 Hummer H2. 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 |
|---|---|
| Catalyst | DTC P0420 or P0430 |
| EVAP | DTC P0451 DTC P0454 DTC P0455 DTC P0442 DTC P0446 DTC P0461 in Instrument Panel, Gages, and Console DTC P0464 in Instrument Panel, Gages, and Console DTC P0496 |
| Oxygen Sensor | DTC P0133 or P0153 DTC P0140 or P0160 DTC P1133 or P1153 DTC P1134 or P1154 DTC P2A01 or P2A04 |
| Oxygen Sensor Heater | DTC P0053, P0054, P0059, or P0060 DTC P0135 or P0155 DTC P0141 or P0161 |