Hafei fault codes
5,198 codes · 12 vehicle records · 0 ECU records · 0 live-data parameters
Codes 5,198
| Code | Description | Brands | System |
|---|---|---|---|
| P0472 | Exhaust Pressure Sensor A Circuit Low | 29 | Powertrain |
| P0473 | Exhaust Pressure Sensor A Circuit High | 29 | Powertrain |
| P0474 | Exhaust Pressure Sensor A Circuit Intermittent/Erratic | 23 | Powertrain |
| P0475 | Exhaust Pressure Control Valve A | 30 | Powertrain |
| P0476 | Exhaust Pressure Control Valve A Range/Performance | 28 | Powertrain |
| P0477 | Exhaust Pressure Control Valve A Low | 26 | Powertrain |
| P0478 | Exhaust Pressure Control Valve A High | 25 | Powertrain |
| P0479 | Exhaust Pressure Control Valve A Intermittent | 23 | Powertrain |
| P047A | Exhaust Pressure Sensor B Circuit | 24 | Powertrain |
| P047B | Exhaust Pressure Sensor B Circuit Range/Performance | 23 | Powertrain |
| P047C | Exhaust Pressure Sensor B Circuit Low | 20 | Powertrain |
| P047D | Exhaust Pressure Sensor B Circuit High | 21 | Powertrain |
| P047E | Exhaust Pressure Sensor B Circuit Intermittent/Erratic | 20 | Powertrain |
| P047F | Exhaust pressure control valve 'A' stuck open | 19 | Powertrain |
| P0480 | Cooling Fan 1 Control Circuit | 39 | Powertrain |
| P0481 | Cooling Fan 2 Control Circuit | 38 | Powertrain |
| P0482 | Cooling Fan 3 Control Circuit | 31 | Powertrain |
| P0483 | Cooling Fan Rationality Check | 32 | Powertrain |
| P0484 | Fan Circuit Current High | 26 | Powertrain |
| P0485 | Fan Power/Ground Circuit | 30 | Powertrain |
| P0486 | EGR Sensor B Circuit | 29 | Powertrain |
| P0487 | EGR Throttle Control Circuit A /Open | 33 | Powertrain |
| P0488 | EGR Throttle Control Circuit A Range/Performance | 35 | Powertrain |
| P0489 | EGR A Control Circuit Low | 34 | Powertrain |
| P048A | Exhaust pressure control valve 'A' stuck closed | 24 | Powertrain |
| P048B | Exhaust Pressure Control Valve Position Sensor/Switch Circuit | 21 | Powertrain |
| P048C | Exhaust Pressure Control Valve Position Sensor/Switch Circuit Range/Performance | 20 | Powertrain |
| P048D | Exhaust Pressure Control Valve Position Sensor/Switch Circuit Low | 24 | Powertrain |
| P048E | Exhaust Pressure Control Valve Position Sensor/Switch Circuit High | 24 | Powertrain |
| P048F | Exhaust Pressure Control Valve Position Sensor/Switch Circuit Intermittent/Erratic | 19 | Powertrain |
| P0490 | EGR A Control Circuit High | 34 | Powertrain |
| P0491 | AIR System Insufficient Flow (Bank 1) | 31 | Powertrain |
| P0492 | AIR System Insufficient Flow (Bank 2) | 29 | Powertrain |
| P0493 | Fan Overspeed | 24 | Powertrain |
| P0494 | Fan 1 Underspeed | 28 | Powertrain |
| P0495 | Fan 1 Overspeed | 26 | Powertrain |
| P0496 | EVAP System High Purge Flow | 30 | Powertrain |
| P0497 | EVAP System Low Purge Flow | 30 | Powertrain |
| P0498 | EVAP System Vent Valve Control Circuit Low | 29 | Powertrain |
| P0499 | EVAP System Vent Valve Control Circuit High | 29 | Powertrain |
| P049A | EGR 'B' flow | 22 | Powertrain |
| P049B | EGR 'B' flow insufficient detected | 27 | Powertrain |
| P049C | EGR 'B' flow excessive detected | 20 | Powertrain |
| P049D | Exhaust gas recirculation (EGR) position learning failure | 28 | Powertrain |
| P049E | EGR 'B' control position exceeded learning limit | 23 | Powertrain |
| P049F | Exhaust pressure control valve 'B' | 21 | Powertrain |
| P04A0 | Exhaust pressure control valve 'B' range/performance | 22 | Powertrain |
| P04A1 | Front/rear door control light control failure | 19 | Powertrain |
| P04A2 | Heated rear window indicator light malfunction | 19 | Powertrain |
| P04A3 | Hazard warning lamp lighting output failure | 19 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.