EOBD fault codes
14,315 codes · 0 vehicle records · 0 ECU records · 0 live-data parameters
Codes 14,315
| Code | Description | Brands | System |
|---|---|---|---|
| P0414 | AIR System Switching Valve A Circuit Shorted | 31 | Powertrain |
| P0415 | AIR System Switching Valve B Circuit | 29 | Powertrain |
| P0416 | AIR System Switching Valve B Circuit Open | 27 | Powertrain |
| P0417 | AIR System Switching Valve B Circuit Shorted | 26 | Powertrain |
| P0418 | AIR System Control A Circuit | 31 | Powertrain |
| P0419 | AIR System Control B Circuit | 27 | Powertrain |
| P041A | EGR temperature sensor 'B' circuit | 22 | Powertrain |
| P041B | Exhaust gas recirculation (EGR) temperature sensor B range/performance failure | 22 | Powertrain |
| P041C | Exhaust gas recirculation (EGR) temperature sensor B short circuit to ground | 23 | Powertrain |
| P041D | Exhaust gas recirculation (EGR) temperature sensor B short circuit to power supply | 23 | Powertrain |
| P041E | EGR temperature sensor 'B' circuit intermittent/erratic | 22 | Powertrain |
| P041F | Air system switching valve 'A' circuit low | 22 | Powertrain |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) | 42 | Powertrain |
| P0421 | Warm Up Catalyst Efficiency Below Threshold (Bank 1) | 31 | Powertrain |
| P0422 | Main Catalyst Efficiency Below Threshold (Bank 1) | 33 | Powertrain |
| P0423 | Heated Catalyst Efficiency Below Threshold (Bank 1) | 26 | Powertrain |
| P0424 | Heated Catalyst Temperature Below Threshold (Bank 1) | 23 | Powertrain |
| P0425 | Catalyst Temperature Sensor Circuit (Bank 1 Sensor 1) | 27 | Powertrain |
| P0426 | Catalyst Temperature Sensor Circuit Range/Performance (Bank 1 Sensor 1) | 26 | Powertrain |
| P0427 | Catalyst Temperature Sensor Circuit Low (Bank 1 Sensor 1) | 28 | Powertrain |
| P0428 | Catalyst Temperature Sensor Circuit High (Bank 1 Sensor 1) | 28 | Powertrain |
| P0429 | Catalyst Heater Control Circuit/Open (Bank 1) | 26 | Powertrain |
| P042A | Catalyst temperature sensor circuit bank 1 sensor 2 | 23 | Powertrain |
| P042B | Catalyst temperature sensor circuit range/performance bank 1 sensor 2 | 22 | Powertrain |
| P042C | Catalyst temperature sensor circuit low bank 1 sensor 2 | 22 | Powertrain |
| P042D | Catalyst temperature sensor circuit high bank 1 sensor 2 | 22 | Powertrain |
| P042E | EGR 'A' control stuck open | 30 | Powertrain |
| P042F | EGR 'A' control stuck closed | 30 | Powertrain |
| P0430 | Catalyst System Efficiency Below Threshold (Bank 2) | 39 | Powertrain |
| P0431 | Warm Up Catalyst Efficiency Below Threshold (Bank 2) | 27 | Powertrain |
| P0432 | Catalyst 2 Efficiency Below Threshold (Bank 2) | 30 | Powertrain |
| P0433 | Heated Catalyst Efficiency Below Threshold (Bank 2) | 23 | Powertrain |
| P0434 | Heated Catalyst Temperature Below Threshold (Bank 2) | 23 | Powertrain |
| P0435 | Catalyst Temperature Sensor Circuit (Bank 2 Sensor 1) | 24 | Powertrain |
| P0436 | Catalyst Temperature Sensor Circuit Range/Performance (Bank 2 Sensor 1) | 25 | Powertrain |
| P0437 | Catalyst Temperature Sensor Circuit Low (Bank 2 Sensor 1) | 24 | Powertrain |
| P0438 | Catalyst Temperature Sensor Circuit High (Bank 2 Sensor 1) | 23 | Powertrain |
| P0439 | Catalyst Heater Control Circuit/Open (Bank 2) | 22 | Powertrain |
| P043A | Catalyst temperature sensor circuit bank 2 sensor 2 | 20 | Powertrain |
| P043B | Catalyst temperature sensor circuit range/performance bank 2 sensor 2 | 21 | Powertrain |
| P043C | Catalyst temperature sensor circuit low bank 2 sensor 2 | 20 | Powertrain |
| P043D | Catalyst temperature sensor circuit high bank 2 sensor 2 | 20 | Powertrain |
| P043E | Evaporative Emissions (EVAP) System Leak Detection Reference Orifice Low Flow | 28 | Powertrain |
| P043F | Evaporative Emissions (EVAP) System Leak Detection Reference Orifice High Flow | 28 | Powertrain |
| P0440 | Evaporative Emission Control System | 40 | Powertrain |
| P0441 | Evaporative Emission Control System Incorrect Purge Flow | 40 | Powertrain |
| P0442 | Evaporative Emission Control System Leak Detected (Small Leak) | 43 | Powertrain |
| P0443 | Evaporative Emission Control System Purge Control Valve Circuit | 41 | Powertrain |
| P0444 | Evaporative Emission Control System Purge Control Valve Circuit Open | 36 | Powertrain |
| P0445 | Evaporative Emission Control System Purge Control Valve Circuit Shorted | 37 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.