Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| P2271 | O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 2) | 37 | Powertrain |
| P2272 | Rich-mixture voltage not reached | 37 | Powertrain |
| P2273 | Lean-mixture voltage not reached | 36 | Powertrain |
| P2279 | Intake Air System Leak (Bank 1) | 33 | Powertrain |
| P228E | Fuel Pressure Regulator 1 Exceeded Learning Limits - Too Low | 23 | Powertrain |
| P228F | Fuel Pressure Regulator 1 Exceeded Learning Limits - Too High | 25 | Powertrain |
| P2291 | Fuel pressure measurement value on the fuel high-pressure common rail | 25 | Powertrain |
| P2297 | O2 Sensor Out of Range During Deceleration Bank 1 Sensor 1 | 35 | Powertrain |
| P2298 | O2 Sensor Out of Range During Deceleration Bank 2 Sensor 1 | 31 | Powertrain |
| P2299 | Brake Pedal Position/Accelerator Pedal Position Incompatible | 35 | Powertrain |
| P22AB | Oxygen sensor positive current control circuit/open bank 1 sensor 2 | 14 | Powertrain |
| P22AE | Oxygen sensor reference voltage circuit/open bank 1 sensor 2 | 13 | Powertrain |
| P22B1 | Oxygen sensor reference voltage circuit high bank 1 sensor 2 | 12 | Powertrain |
| P22B2 | Oxygen sensor negative current control circuit/open bank 1 sensor 2 | 14 | Powertrain |
| P22B3 | Oxygen sensor negative current control circuit low bank 1 sensor 2 | 12 | Powertrain |
| P22B4 | Oxygen sensor negative current control circuit high bank 1 sensor 2 | 12 | Powertrain |
| P22B5 | Oxygen sensor pumping current trim circuit/open bank 1 sensor 2 | 6 | Powertrain |
| P22D1 | Turbocharger turbine inlet valve control circuit high | 14 | Powertrain |
| P22D2 | Turbocharger turbine inlet valve stuck open | 8 | Powertrain |
| P22D3 | Turbocharger turbine inlet valve stuck closed | 8 | Powertrain |
| P22D4 | Turbocharger turbine inlet valve position sensor circuit | 9 | Powertrain |
| 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 |
| P2408 | Fuel cap sensor/switch circuit | 27 | Powertrain |
| P2413 | EGR System Performance | 32 | Powertrain |
| P2419 | The control circuit voltage of the oil and gas isolation valve in the evaporation system is low. | 28 | Powertrain |
| P2420 | Short circuit to positive | 28 | Powertrain |
| P2421 | EVAP system vent valve stuck open | 29 | Powertrain |
| P2422 | Fuel evaporation system ventilation solenoid clogged | 30 | Powertrain |
| P2423 | HC adsorption catalyst efficiency below threshold bank 1 | 23 | Powertrain |
| P2425 | EGR cooling valve control circuit/open | 29 | Powertrain |
| P2426 | EGR cooling valve control circuit low | 28 | Powertrain |
| P2427 | EGR Cooling Valve Control Circuit High | 28 | Powertrain |
| P2428 | Exhaust Gas Temperature Too High (Bank 1) | 27 | Powertrain |
| P242A | Exhaust gas temperature sensor circuit bank 1 sensor 3 | 28 | Powertrain |
| P242B | Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 1 Sensor 3) | 31 | Powertrain |
| P242C | Exhaust gas temperature sensor circuit low bank 1 sensor 3 | 32 | Powertrain |
| P242D | Exhaust gas temperature sensor circuit high bank 1 sensor 3 | 31 | Powertrain |
| P242F | Diesel Particulate Filter Restriction Ash Accumulation | 34 | Powertrain |
| P2445 | Air system pump stuck off bank 1 | 28 | Powertrain |
| P244A | Gasoline Particulate Filter (GPF) differential pressure is too low | 27 | Powertrain |
| P244B | Gasoline Particulate Filter (GPF) differential pressure sensor plausibility | 29 | 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 |
| P2453 | Particulate Filter Pressure Sensor A Circuit Range/Performance | 35 | Powertrain |
| P2454 | Particulate Filter Pressure Sensor A Circuit Low | 34 | Powertrain |
| P2455 | Particulate Filter Pressure Sensor A Circuit High | 33 | Powertrain |
| P2456 | Gasoline Particulate Filter (GPF) pressure sensor signal error | 28 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.