P04xx trouble codes
- P0400 EGR Exhaust Gas Recirculation Flow Malfunction
- P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
- P0402 Exhaust Gas Recirculation (EGR) Flow Excessive
- P0403 EGR Control Circuit Malfunction
- P0404 EGR Circuit Range/Performance Problem
- P0405 EGR Sensor A Circuit Low Voltage
- P0406 EGR Position Sensor A Circuit High
- P0410 Secondary Air Injection System Malfunction
- P0411 Secondary Air Injection System Incorrect Airflow
- P0420 Catalyst System Efficiency Below Threshold (Bank 1)
- P0430 Catalyst Efficiency Below Threshold (Bank 2)
- P0440 Evaporative Emission Control (EVAP) System Malfunction
- P0441 Evaporative Emission System Incorrect Purge Flow
- P0442 Small Leak in the Evaporative Emission (EVAP) System
- P0443 EVAP Purge Control Valve Circuit Fault
- P0444 EVAP Purge Control Valve Circuit Open
- P0445 EVAP Purge Control Valve Circuit Shorted
- P0446 EVAP Vent Control Circuit Malfunction
- P0447 EVAP System Vent Control Circuit Open
- P0448 EVAP Vent Valve Control Circuit Shorted
- P0449 EVAP Vent Valve/Solenoid Circuit Malfunction
- P0450 EVAP System Pressure Sensor Circuit Malfunction
- P0451 EVAP Pressure Sensor Range/Performance Problem
- P0452 EVAP System Pressure Sensor Low Input
- P0455 EVAP System Large Leak Detected
- P0456 EVAP System Very Small Leak Detected
- P0460 Fuel Level Sensor "A" Circuit Malfunction
- P0461 Fuel Level Sensor Range/Performance
- P0462 Fuel Level Sensor Circuit Low Input
- P0463 Fuel Level Sensor Circuit High Input
- P0470 Exhaust Pressure Sensor Malfunction
- P0471 Exhaust Pressure Sensor Range/Performance
- P0472 Exhaust Pressure Sensor Circuit Low
- P0480 Cooling Fan 1 Control Circuit Malfunction
- P0481 Cooling Fan 2 Control Circuit Malfunction
- P0496 EVAP Flow During a Non-Purge Condition
- P0497 EVAP System Low Purge Flow
- P0498 EVAP Vent Valve Control Circuit Low
- P0499 EVAP Vent Valve Control Circuit High