Inspection/Maintenance System DTCS: Description
The following DTCs are required to set system status to YES:
Catalyst System
- P0420 - TWC System - Low Efficiency (Bank 1)
EVAP System
- P0442 - EVAP Control System - Small Leak Detected
- P0446 - EVAP Vent System Performance
- P0455 - EVAP System Leak
- P0496 - EVAP System Flow During Non-Purge
Oxygen Sensor
- P0133 - HO2S Slow Response - Sensor 1
- P0140 - HO2S 2 Circuit - Insufficient Activity
- P1133 - HO2S Insufficient Switching - Sensor 1
- P1134 - HO2S Transition Time Ratio - Sensor 1
Oxygen Sensor Heater
- P0135 - HO2S Heater Circuit - Sensor 1
- P0141 - HO2S Heater Circuit - Sensor 2
Diagnose affected DTCs. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .