Inspection/Maintenance System DTCS: Description
The following DTCs are required to set system status to YES:
Catalyst System
- P0420 - Catalyst System Low Efficiency
EGR System
- P0401- EGR Flow Insufficient
- P0404 - EGR Open Position Performance
- P0405 - EGR Position Sensor Circuit - Low Voltage
- P1404 - EGR Closed Position Performance
EVAP System
- P0440 - EVAP System
- P0442 - EVAP System Small Leak Detected
- P0446 - EVAP Vent System Performance
- P0447 - EVAP Vent Valve Control Circuit - Low Voltage
- P1441 - EVAP System Flow During Non-Purge
Oxygen Sensor System
- P0133 - HO2S/O2S Slow Response (Sensor 1)
- P0140 - HO2S Circuit Insufficient Activity (Sensor 2)
- P1133 - HO2S Insufficient Switching (Sensor 1)
- P1134 - HO2S Transition Time Ratio (Sensor 1)
Oxygen Sensor Heater System
- P0135 - HO2S Heater Performance (Sensor 1)
- P0141 - HO2S Heater Performance (Sensor 2)
Diagnose affected DTCs. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .