OBD2 trouble code reference
8,155 codes across 1 prefix groups on this page.
P2xxx
- P233C Knock Sensor 2 Range/Performance Problem (Bank 2) powertrain
- P233D Knock Sensor 2 Range/Performance Problem (Bank 2) powertrain
- P233E Knock Sensor 2 Range/Performance Problem (Bank 2) powertrain
- P233F ISO/SAE Reserved powertrain
- P2340 Cylinder 5 Above Knock Threshold powertrain
- P2341 Cylinder 6 Above Knock Threshold powertrain
- P2342 Cylinder 7 Above Knock Threshold powertrain
- P2343 Cylinder 8 Above Knock Threshold powertrain
- P2344 Cylinder 9 Above Knock Threshold powertrain
- P2345 Cylinder 10 Above Knock Threshold powertrain
- P2346 Cylinder 11 Above Knock Threshold powertrain
- P2347 Turbocharger/Supercharger Boost Control 'A' Range/Performance Problem powertrain
- P2348 through P23FF ISO/SAE Reserved powertrain
- P240D Evaporative Emission System Leak Detection Pump Control Circuit Low powertrain
- P240E Evaporative Emission System Leak Detection Pump Control Circuit Low powertrain
- P240F ISO/SAE Reserved powertrain
- P2413 Secondary Air Injection System Switching Valve A Stuck Open powertrain
- P241A Evaporative Emission System Switching Valve Control Circuit Range/Performance Problem powertrain
- P241B Evaporative Emission System Switching Valve Control Circuit Range/Performance Problem (Bank 1) powertrain
- P241C Evaporative Emission System Switching Valve Control Circuit Range/Performance Problem powertrain
- P241D Evaporative Emission System Switching Valve Control Circuit Range/Performance Problem powertrain
- P241E Evaporative Emission System Switching Valve Control Circuit Range/Performance Problem powertrain
- P241F ISO/SAE Reserved powertrain
- P2425 Exhaust Gas Recirculation Cooling Valve Control Circuit/Open powertrain
- P2426 Exhaust Gas Recirculation Cooling Valve Control Circuit Low powertrain
- P2427 Exhaust Gas Recirculation Cooling Valve Control Circuit High powertrain
- P242F Diesel Particulate Filter Restriction Ash Accumulation powertrain
- P2430 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance Problem powertrain
- P2431 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance Problem (Bank 1) powertrain
- P2432 Secondary Air Injection System Switching Valve A Stuck Open powertrain
- P2433 Secondary Air Injection System Air Flow/Pressure Sensor Circuit High Bank 1 powertrain
- P2434 Secondary Air Injection System Switching Valve A Stuck Open powertrain
- P2435 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Bank 2 powertrain
- P2436 Secondary Air Injection System Switching Valve A Range/Performance Problem powertrain
- P2437 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low Bank 2 powertrain
- P2438 Secondary Air Injection System Switching Valve A Range/Performance Problem powertrain
- P2439 Secondary Air Injection System Switching Valve A Range/Performance Problem powertrain
- P243A Secondary Air Injection System Air Flow/Pressure Sensor Range/Performance Problem powertrain
- P243B Secondary Air Injection System Switching Valve Stuck Open (Bank 1) powertrain
- P243C Secondary Air Injection System Switching Valve Stuck Open (Bank 1) powertrain
- P243D Secondary Air Injection System Switching Valve Stuck Open (Bank 1) powertrain
- P243E Secondary Air Injection System Switching Valve Stuck Open (Bank 1) powertrain
- P243F ISO/SAE Reserved indicates that it is a reserved code and does not have a specific definition or application in standard diagnostic trouble codes powertrain
- P2452 Diesel Particulate Filter Pressure Sensor "A" Circuit powertrain
- P2453 Diesel Particulate Filter Pressure Sensor "A" Circuit Range/Performance powertrain
- P2454 Diesel Particulate Filter Pressure Sensor "A" Circuit Low powertrain
- P2455 Diesel Particulate Filter Pressure Sensor "A" Circuit High powertrain
- P2456 Diesel Particulate Filter Pressure Sensor "A" Circuit Intermittent/Erratic powertrain
- P2457 Diesel Particulate Filter (DPF) Pressure Sensor Range/Performance Problem powertrain
- P2458 Diesel Particulate Filter (DPF) Pressure Sensor Range/Performance Problem powertrain