Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| P2457 | EGR Cooler A Efficiency Below Threshold | 30 | Powertrain |
| P2459 | Particulate filter regeneration frequency bank 1 | 28 | Powertrain |
| P245A | EGR cooler bypass control circuit/open bank 1 | 27 | Powertrain |
| P245C | EGR cooler bypass control circuit low bank 1 | 27 | Powertrain |
| P245D | EGR cooler bypass control circuit high bank 1 | 27 | Powertrain |
| P2463 | Particulate Filter Restriction - Soot Accumulation (Bank 1) | 34 | Powertrain |
| P24A4 | Gasoline Particulate Filter (GPF) blocked | 26 | Powertrain |
| P24AE | Particulate Matter Sensor Circuit | 18 | Powertrain |
| P24AF | Particulate Matter Sensor Circuit Range/Performance | 19 | Powertrain |
| P24B0 | Particulate matter sensor circuit low | 15 | Powertrain |
| P24B1 | Particulate Matter Sensor Circuit High | 17 | Powertrain |
| P24B3 | Particulate matter sensor heater control circuit/open | 16 | Powertrain |
| P24B6 | Particulate Matter Sensor Heater Control Circuit High | 16 | Powertrain |
| P24B7 | Particulate Matter Sensor Heater Resistance | 15 | Powertrain |
| P24B8 | EVAP system leak detection pump pressure sensor circuit | 6 | Powertrain |
| P24B9 | EVAP System Leak Detection Pump Pressure Sensor Circuit Range/Performance | 14 | Powertrain |
| P24BA | EVAP System Leak Detection Pump Pressure Sensor Circuit Low | 14 | Powertrain |
| P24BB | EVAP System Leak Detection Pump Pressure Sensor Circuit High | 14 | Powertrain |
| P24BD | EVAP system leak detection pump switching valve control circuit/open | 6 | Powertrain |
| P24BE | EVAP system leak detection pump switching valve control circuit low | 7 | Powertrain |
| P24BF | EVAP system leak detection pump switching valve control circuit high | 7 | Powertrain |
| P24C0 | EVAP system leak detection pump switching valve stuck on | 7 | Powertrain |
| P24C1 | EVAP system leak detection pump switching valve performance/stuck off | 7 | Powertrain |
| P24C6 | Particulate Matter Sensor Temperature Circuit | 17 | Powertrain |
| P24C7 | Particulate Matter Sensor Temperature Circuit Range/performance | 17 | Powertrain |
| P24D1 | Particulate matter sensor regeneration incomplete | 15 | Powertrain |
| P24D6 | EVAP System Pressure Sensor/Switch B Circuit Range/Performance | 19 | Powertrain |
| P24D7 | EVAP System Pressure Sensor/Switch B Circuit Low | 16 | Powertrain |
| P24D8 | EVAP System Pressure Sensor/Switch B Circuit High | 16 | Powertrain |
| P24DA | Particulate Matter Sensor Exhaust Sample Error (Bank 1) | 17 | Powertrain |
| P2500 | Generator Lamp/L-Terminal Circuit Low | 31 | Powertrain |
| P2501 | Generator Lamp/L-Terminal Circuit High | 32 | Powertrain |
| P2503 | Charging system voltage is low | 30 | Powertrain |
| P250A | Oil level sensor signal failure | 24 | Powertrain |
| P250B | Engine oil level sensor circuit range/performance | 24 | Powertrain |
| P250C | Engine oil level sensor circuit low | 25 | Powertrain |
| P250D | Engine oil level sensor circuit high | 25 | Powertrain |
| P250E | Engine oil level sensor circuit intermittent/erratic | 21 | 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 |
| P252F | Engine oil level too high | 22 | Powertrain |
| P2530 | Ignition Switch Run Position Circuit | 28 | Powertrain |
| P2531 | Ignition Switch Run Position Circuit Low | 31 | Powertrain |
| P2532 | Ignition Switch Run Position Circuit High | 31 | Powertrain |
| P2533 | Ignition Switch On/Start Position Circuit | 33 | Powertrain |
| P2534 | Ignition Switch On/Start Position Circuit Low | 28 | Powertrain |
| P2535 | Ignition switch ON/START position circuit high | 30 | Powertrain |
| P253F | Engine oil deteriorated | 24 | Powertrain |
| P2552 | Throttle/Fuel Inhibit Circuit | 27 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.