DFFS fault codes
7,984 codes · 47 vehicle records · 0 ECU records · 0 live-data parameters
Codes 7,984
| Code | Description | Brands | System |
|---|---|---|---|
| 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 |
| P04A4 | Lock actuator cut-off relay unit failure (BCAP) | 20 | Powertrain |
| P04A5 | Right turn lamp lighting failure | 20 | Powertrain |
| P04A6 | Left turn lamp lighting failure | 20 | Powertrain |
| P04A7 | License plate light illumination failure | 19 | Powertrain |
| P04A8 | Exhaust pressure control valve 'B' position sensor/switch circuit low | 20 | Powertrain |
| P04A9 | Rear window glass open | 20 | Powertrain |
| P04AA | Heated rear window glass circuit failure | 19 | Powertrain |
| P04AB | Cooling fan assembly control failure | 14 | Powertrain |
| P04AC | Footwell lighting control failure | 13 | Powertrain |
| P04AE | Vehicle locking failure | 15 | Powertrain |
| P04BA | Transponder (without hands-free start) or badge (with hands-free start) identification failure | 12 | Powertrain |
| P04BB | System status indicator light failure | 12 | Powertrain |
| P04BC | Right rear turn lamp failure | 12 | Powertrain |
| P04BD | Left rear turn lamp failure | 12 | Powertrain |
| P04BE | Right rear brake light failure | 12 | Powertrain |
| P04BF | Left rear brake light failure | 14 | Powertrain |
| P04C0 | Right rear side light failure | 12 | Powertrain |
| P04C1 | Left rear position light failure | 15 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.