P24xx
Auxiliary emission controls
Systems that treat or recirculate exhaust gases: EGR, catalytic converters, evaporative emission control, secondary air injection and diesel particulate filters.
- P2400Evaporative Emission System Leak Detection Pump Control Circuit/Open
- P2401Evaporative Emission System Leak Detection Pump Control Circuit Low
- P2402Evaporative Emission System Leak Detection Pump Control Circuit High
- P2403Evaporative Emission System Leak Detection Pump Sense Circuit/Open
- P2404Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance
- P2405Evaporative Emission System Leak Detection Pump Sense Circuit Low
- P2406Evaporative Emission System Leak Detection Pump Sense Circuit High
- P2407Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent/Erratic
- P2408Fuel Cap Sensor/Switch Circuit
- P2409Fuel Cap Sensor/Switch Circuit Range/Performance
- P2410Fuel Cap Sensor/Switch Circuit Low
- P2411Fuel Cap Sensor/Switch Circuit High
- P2412Fuel Cap Sensor/Switch Circuit Intermittent/Erratic
- P2413Exhaust Gas Recirculation System Performance
- P2414O2 Sensor Exhaust Sample Error (Bank 1 Sensor 1)
- P2415O2 Sensor Exhaust Sample Error (Bank 2 Sensor 1)
- P2416O2 Sensor Signals Swapped Bank 1 Sensor 2 / Bank 1 Sensor 3
- P2417O2 Sensor Signals Swapped Bank 2 Sensor 2 / Bank 2 Sensor 3
- P2418Evaporative Emission System Switching Valve Control Circuit/Open
- P2419Evaporative Emission System Switching Valve Control Circuit Low
- P2420Evaporative Emission System Switching Valve Control Circuit High
- P2421Evaporative Emission System Vent Valve Stuck Open
- P2422Evaporative Emission System Vent Valve Stuck Closed
- P2423HC Adsorption Catalyst Efficiency Below Threshold (Bank 1)
- P2424HC Adsorption Catalyst Efficiency Below Threshold (Bank 2)
- P2425Exhaust Gas Recirculation Cooling Valve Control Circuit/Open
- P2426Exhaust Gas Recirculation Cooling Valve Control Circuit Low
- P2427Exhaust Gas Recirculation Cooling Valve Control Circuit High
- P2428Exhaust Gas Temperature Too High (Bank 1)
- P2429Exhaust Gas Temperature Too High (Bank 2)
- P2430Secondary Air Injection System Air Flow/Pressure Sensor Circuit (Bank 1)
- P2431Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance (Bank 1)
- P2432Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low (Bank 1)
- P2433Secondary Air Injection System Air Flow/Pressure Sensor Circuit High (Bank 1)
- P2434Secondary Air Injection System Air Flow/Pressure Sensor Circuit Intermittent/Erratic (Bank 1)
- P2435Secondary Air Injection System Air Flow/Pressure Sensor Circuit (Bank 2)
- P2436Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance (Bank 2)
- P2437Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low (Bank 2)
- P2438Secondary Air Injection System Air Flow/Pressure Sensor Circuit High (Bank 2)
- P2439Secondary Air Injection System Air Flow/Pressure Sensor Circuit Intermittent/Erratic (Bank 2)
- P2440Secondary Air Injection System Switching Valve Stuck Open (Bank 1)
- P2441Secondary Air Injection System Switching Valve Stuck Closed (Bank 1)
- P2442Secondary Air Injection System Switching Valve Stuck Open (Bank 2)
- P2443Secondary Air Injection System Switching Valve Stuck Closed (Bank 2)
- P2444Secondary Air Injection System Pump Stuck On (Bank 1)
- P2445Secondary Air Injection System Pump Stuck Off (Bank 1)
- P2446Secondary Air Injection System Pump Stuck On (Bank 2)
- P2447Secondary Air Injection System Pump Stuck Off (Bank 2)
Read this code from your own car
Plug an ELM327 adapter into the OBD-II port under the dashboard. Pin16 reads every stored, pending and permanent code, explains each one like this page does — offline, with no account — and shows what the car recorded when the fault was set.