Smart fault codes
2,388 codes · 84 vehicle records · 75 ECU records · 14,877 live-data parameters
Codes 2,388
| Code | Description | Brands | System |
|---|---|---|---|
| P2400 | Evaporative Emissions (EVAP) System Leak Detection Pump Control Loop Open Circuit | 32 | Powertrain |
| P2401 | Short circuit to negative or open circuit | 33 | Powertrain |
| P2402 | EVAP System Leak Detection Pump Control Circuit High | 35 | Powertrain |
| P2403 | EVAP system leak detection pump sense circuit/open | 25 | Powertrain |
| P2404 | EVAP system leak detection pump sense circuit range/performance | 30 | Powertrain |
| P2405 | EVAP system leak detection pump sense circuit low | 26 | Powertrain |
| P2406 | EVAP system leak detection pump sense circuit high | 26 | Powertrain |
| P2407 | Evaporative Emissions (EVAP) System Leak Detection Pump Detection Circuit Intermittent/Unstable | 28 | Powertrain |
| P2408 | Fuel cap sensor/switch circuit | 27 | Powertrain |
| P2409 | Fuel cap sensor/switch circuit range/performance | 26 | Powertrain |
| P240A | Evaporative Emissions (EVAP) System Leak Detection Pump Heating Circuit Open Circuit | 25 | Powertrain |
| P240B | Evaporative Emissions (EVAP) System Leak Detection Pump Heating Circuit Low Voltage | 25 | Powertrain |
| P240C | Evaporative Emissions (EVAP) System Leak Detection Pump Heating Circuit High Voltage | 25 | Powertrain |
| P240D | Alternative Fuel Low Pressure System Leak | 13 | Powertrain |
| P2410 | Fuel cap sensor/switch circuit low | 25 | Powertrain |
| P2411 | Fuel cap sensor/switch circuit high | 25 | Powertrain |
| P2412 | Fuel cap sensor/switch circuit intermittent/erratic | 23 | Powertrain |
| P2413 | EGR System Performance | 32 | Powertrain |
| P2414 | O2 Sensor Exhaust Sample Error Bank 1 Sensor 1 | 28 | Powertrain |
| P2415 | O2 Sensor Exhaust Sample Error Bank 2 Sensor 1 | 27 | Powertrain |
| P2418 | The control circuit of the oil and gas isolation valve of the evaporation system is open. | 27 | Powertrain |
| P2421 | EVAP system vent valve stuck open | 29 | Powertrain |
| P2422 | Fuel evaporation system ventilation solenoid clogged | 30 | Powertrain |
| P2430 | Fault, secondary-air hot-film air-mass sensor | 27 | Powertrain |
| P2440 | Air system switching valve stuck open bank 1 | 32 | Powertrain |
| P2450 | EVAP System Switching Valve Performance/Stuck Open | 30 | Powertrain |
| P2451 | The oil and gas isolation valve of the evaporation system is stuck in the normally closed position. | 26 | Powertrain |
| P2452 | Particulate Filter Pressure Sensor A Circuit | 32 | Powertrain |
| P2460 | Particulate Filter Pressure Sensor B Circuit Low | 28 | Powertrain |
| P2500 | Generator Lamp/L-Terminal Circuit Low | 31 | Powertrain |
| P2501 | Generator Lamp/L-Terminal Circuit High | 32 | Powertrain |
| P2502 | Charging system voltage | 31 | Powertrain |
| P2503 | Charging system voltage is low | 30 | Powertrain |
| P2507 | ECM/PCM power input signal low | 26 | Powertrain |
| P2508 | ECM/PCM power input signal high | 25 | Powertrain |
| P2510 | ECM/PCM power relay sense circuit range/performance | 25 | Powertrain |
| P2511 | ECM/PCM power relay sense circuit intermittent | 27 | Powertrain |
| P2512 | Event data recorder request circuit/ open | 24 | Powertrain |
| P2514 | Event data recorder request circuit high | 24 | Powertrain |
| P2519 | A/C Request A Circuit | 28 | Powertrain |
| P2520 | A/C Request A Circuit Low | 27 | Powertrain |
| P2521 | A/C Request A Circuit High | 28 | Powertrain |
| P2522 | A/C Request B Circuit | 24 | Powertrain |
| P2523 | A/C Request B Circuit Low | 22 | Powertrain |
| P2524 | A/C Request B Circuit High | 23 | Powertrain |
| P2526 | Vacuum reservoir pressure sensor circuit range/performance | 24 | Powertrain |
| P2527 | Vacuum reservoir pressure sensor circuit low | 28 | Powertrain |
| P2528 | Vacuum reservoir pressure sensor circuit high | 26 | Powertrain |
| P2529 | Vacuum reservoir pressure sensor circuit intermittent | 24 | Powertrain |
| P2531 | Ignition Switch Run Position Circuit Low | 31 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.