For 1990-2009 cars

System | DTCs Required to Set System Status to YES
--- | ---
Catalyst Monitor If an I/M System Status indicator did NOT update to Completed during the Inspection/Maintenance (I/M) System Check , review each indicator and reference this table to determine each DTC associated with the I/M System Status Indicator. Each DTC listed below has specific conditions that must be met for the diagnostic to run. Included in these conditions are additional DTCs which, if set, will inhibit these DTCs from running. Reviewing and operating the vehicle within the Conditions for Running for each DTC listed below will allow the I/M System Status Indicators to transition to Completed.
Catalyst | DTC P0420
EVAP |

• | DTC P0442 or P0456

• | DTC P0443, P0449, P0458, P0459, P0498, or P0499

• | DTC P0446

• | DTC P0451, P0452, P0453, or P0454

• | DTC P0455

• | DTC P0496

Oxygen Sensor |

• | DTC P0130-P0134, P2297, or P2A00

• | DTC P0137-P0140, P2270, P2271, or P2A01

Oxygen Sensor Heater |

• | DTC P0030-P0032, or P0135

• | DTC P0036, P0037, P0038, or P0141