Inspection/Maintenance System DTCS: Description
The following DTCs are required to set system status to YES:
Catalyst System
- P0420 - Catalyst System Low Efficiency
EVAP System
- P0440 - EVAP System
- P0442 - EVAP System - Small Leak Detected
- P0446 - EVAP Canister Vent Blocked
- P1441 - EVAP System Flow During Non-Purge
Oxygen Sensor System
- P0133 - HO2S Slow Response
- P0140 - HO2S Circuit Insufficient Activity (Bank1; Sensor 2)
- P1133 - HO2S Insufficient Switching (Bank 1; Sensor 1)
Oxygen Sensor Heater System
- P0141 - HO2S Heater Performance (Bank 1; Sensor 2)
Diagnose affected DTCs. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .