Check-engine codes
Look up any check-engine code — what it means for your car, what usually causes it, and whether you can keep driving.
AllTransmission · 142Wiring / network · 109Oxygen sensors · 85Fuel · 84Air intake · 74Sensors · 70Valve timing · 57Electrical · 35Emissions · 30Fuel vapour (EVAP) · 28Ignition · 28Cooling · 22Misfire · 16Turbo · 16Brakes / ABS · 10EGR · 10Air conditioning · 7Catalytic converter · 6Airbags / seat belts · 5
emissions codes
P0410
Secondary Air Injection System
EmissionsMedium
P0411
Secondary Air Injection System Incorrect Flow Detected
EmissionsMedium
P0412
Secondary Air Injection System Switching Valve A Circuit
EmissionsMedium
P2000
NOx Trap Efficiency Below Threshold (Bank 1)
EmissionsMedium
P2001
NOx Trap Efficiency Below Threshold (Bank 2)
EmissionsMedium
P2002
Diesel Particulate Filter Efficiency Below Threshold (Bank 1)
EmissionsHigh
P2003
Diesel Particulate Filter Efficiency Below Threshold (Bank 2)
EmissionsHigh
P2031
Exhaust Gas Temperature Sensor Circuit (Bank 1 Sensor 2)
EmissionsMedium
P2032
Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2)
EmissionsMedium
P2033
Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2)
EmissionsMedium
P2047
Reductant Injector Circuit/Open (Bank 1)
EmissionsHigh
P2048
Reductant Injector Circuit Low (Bank 1)
EmissionsHigh
P2049
Reductant Injector Circuit High (Bank 1)
EmissionsHigh
P2050
Reductant Injector Control Performance (Bank 1)
EmissionsHigh
P2080
Exhaust Gas Temperature Sensor Range/Performance (Bank 1 Sensor 1)
EmissionsMedium
P2084
Exhaust Gas Temperature Sensor Range/Performance (Bank 2 Sensor 1)
EmissionsMedium
P2200
NOx Sensor Circuit (Bank 1)
EmissionsMedium
P2201
NOx Sensor Circuit Range/Performance (Bank 1)
EmissionsMedium
P2202
NOx Sensor Circuit Low (Bank 1)
EmissionsMedium
P2203
NOx Sensor Circuit High (Bank 1)
EmissionsMedium
P2204
NOx Sensor Circuit Intermittent (Bank 1)
EmissionsMedium
P2205
NOx Sensor Heater Control Circuit/Open (Bank 1)
EmissionsMedium
P2440
Secondary Air Injection Switching Valve Stuck Open (Bank 1)
EmissionsLow
P2441
Secondary Air Injection Switching Valve Stuck Closed (Bank 1)
EmissionsLow
P2442
Secondary Air Injection Switching Valve Stuck Open (Bank 2)
EmissionsLow
P2443
Secondary Air Injection Switching Valve Stuck Closed (Bank 2)
EmissionsLow
P2444
Secondary Air Injection Pump Stuck On (Bank 1)
EmissionsLow
P2445
Secondary Air Injection Pump Stuck Off (Bank 1)
EmissionsLow
P2446
Secondary Air Injection Pump Stuck On (Bank 2)
EmissionsLow
P2447
Secondary Air Injection Pump Stuck Off (Bank 2)
EmissionsLow