Hafei fault codes
5,198 codes · 12 vehicle records · 0 ECU records · 0 live-data parameters
Codes 5,198
| Code | Description | Brands | System |
|---|---|---|---|
| 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 |
| P2424 | HC adsorption catalyst efficiency below threshold bank 2 | 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 |
| P2429 | Exhaust gas temperature too high bank 2 | 20 | 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 |
| P242E | Exhaust gas temperature sensor circuit intermittent/erratic bank 1 sensor 3 | 21 | Powertrain |
| P242F | Diesel Particulate Filter Restriction Ash Accumulation | 34 | Powertrain |
| P2430 | Fault, secondary-air hot-film air-mass sensor | 27 | Powertrain |
| P2431 | Air system air flow/pressure sensor circuit range/performance bank 1 | 27 | Powertrain |
| P2432 | Air system air flow/pressure sensor circuit low bank 1 | 28 | Powertrain |
| P2433 | Air system air flow/pressure sensor circuit high bank 1 | 28 | Powertrain |
| P2434 | Air system air flow/pressure sensor circuit intermittent/erratic bank 1 | 21 | Powertrain |
| P2435 | Air system air flow/pressure sensor circuit bank 2 | 23 | Powertrain |
| P2436 | Air system air flow/pressure sensor circuit range/performance bank 2 | 24 | Powertrain |
| P2437 | Air system air flow/pressure sensor circuit low bank 2 | 24 | Powertrain |
| P2438 | Air system air flow/pressure sensor circuit high bank 2 | 24 | Powertrain |
| P2439 | Air system air flow/pressure sensor circuit intermittent/erratic bank 2 | 21 | Powertrain |
| P2440 | Air system switching valve stuck open bank 1 | 32 | Powertrain |
| P2441 | Air system switching valve stuck closed bank 1 | 24 | Powertrain |
| P2442 | Air system switching valve stuck open bank 2 | 27 | Powertrain |
| P2443 | Air system switching valve stuck closed bank 2 | 22 | Powertrain |
| P2444 | Air system pump stuck on bank 1 | 26 | Powertrain |
| P2445 | Air system pump stuck off bank 1 | 28 | Powertrain |
| P2446 | Air system pump stuck on bank 2 | 20 | Powertrain |
| P2447 | Air system pump stuck off bank 2 | 21 | Powertrain |
| P2448 | Air system high air flow bank 1 | 24 | Powertrain |
| P2449 | Air system high air flow bank 2 | 19 | Powertrain |
| P244A | Gasoline Particulate Filter (GPF) differential pressure is too low | 27 | Powertrain |
| P244B | Gasoline Particulate Filter (GPF) differential pressure sensor plausibility | 29 | Powertrain |
| P244C | Exhaust temperature too low for particulate filter regeneration bank 1 | 23 | Powertrain |
| P244D | Exhaust temperature too high for particulate filter regeneration bank 1 | 26 | Powertrain |
| P244E | Exhaust temperature too low for particulate filter regeneration bank 2 | 18 | Powertrain |
| P244F | Exhaust temperature too high for particulate filter regeneration bank 2 | 19 | 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.