DFFX fault codes
5,361 codes · 6 vehicle records · 0 ECU records · 0 live-data parameters
Codes 5,361
| Code | Description | Brands | System |
|---|---|---|---|
| P2277 | O2 Sensor Signal Stuck Rich Bank 2 Sensor 3 | 20 | Powertrain |
| P2278 | O2 Sensor Signals Swapped Bank 1 Sensor 3/Bank 2 Sensor 3 | 20 | Powertrain |
| P2279 | Intake Air System Leak (Bank 1) | 33 | Powertrain |
| P2280 | Air Flow Restriction/Air Leak Between Air Filter and MAF | 23 | Powertrain |
| P2281 | Air leak between MAF and throttle body | 24 | Powertrain |
| P2282 | Air leakage between throttle valve and intake valve | 25 | Powertrain |
| P2283 | Injector control pressure sensor circuit | 21 | Powertrain |
| P2284 | Injector control pressure sensor circuit range/performance | 22 | Powertrain |
| P2285 | Injector control pressure sensor circuit low | 21 | Powertrain |
| P2286 | Injector control pressure sensor circuit high | 23 | Powertrain |
| P2287 | Injector control pressure sensor circuit intermittent | 21 | Powertrain |
| P2288 | Injector control pressure too high | 28 | Powertrain |
| P2289 | Injector Control Pressure Too High - Engine Off | 26 | Powertrain |
| P228A | Fuel Pressure Regulator 1 - Forced Engine Shutdown | 22 | Powertrain |
| P228B | Fuel Pressure Regulator 2 - Forced Engine Shutdown | 21 | Powertrain |
| P228C | Fuel Pressure Regulator 1 Exceeded Control Limits - Pressure Too Low | 25 | Powertrain |
| P228D | Fuel Pressure Regulator 1 Exceeded Control Limits - Pressure Too High | 28 | 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 |
| P2290 | Injector control pressure too low | 23 | Powertrain |
| P2291 | Fuel pressure measurement value on the fuel high-pressure common rail | 25 | Powertrain |
| P2292 | Injector control pressure erratic | 22 | Powertrain |
| P2293 | Fuel Pressure Regulator 2 Performance | 27 | Powertrain |
| P2294 | Fuel Pressure Regulator 2 Control Circuit | 31 | Powertrain |
| P2295 | Fuel Pressure Regulator 2 Control Circuit Low | 31 | Powertrain |
| P2296 | Fuel Pressure Regulator B Control Circuit High | 33 | 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 |
| P229A | Fuel Pressure Regulator 2 Exceeded Control Limits - Pressure Too Low | 25 | Powertrain |
| P229B | Fuel Pressure Regulator 2 Exceeded Control Limits - Pressure Too High | 25 | Powertrain |
| P229C | Fuel Pressure Regulator 2 Exceeded Learning Limits - Too Low | 19 | Powertrain |
| P229D | Fuel Pressure Regulator 2 Exceeded Learning Limits - Too High | 19 | Powertrain |
| P2300 | Ignition coil A short to low voltage (cylinder 1) | 35 | Powertrain |
| P2301 | Ignition coil A short to high voltage (cylinder 1) | 35 | Powertrain |
| P2302 | Shift lever signal is invalid | 22 | Powertrain |
| P2303 | Ignition coil B short to low voltage (cylinder 3) | 34 | Powertrain |
| P2304 | Vacuum sensor failure | 34 | Powertrain |
| P2305 | Vacuum pump terminal voltage is high | 22 | Powertrain |
| P2306 | Ignition coil C circuit short to low voltage (cylinder 4) | 35 | Powertrain |
| P2307 | Ignition coil C circuit short to high voltage (cylinder 4) | 34 | Powertrain |
| P2308 | Vacuum pump relay sticking | 22 | Powertrain |
| P2309 | Ignition coil D circuit short to low voltage (cylinder 2) | 32 | Powertrain |
| P2310 | Vacuum pump pressure increases abnormally or leaks slowly | 33 | Powertrain |
| P2311 | Vacuum pump is damaged or leaking rapidly | 26 | Powertrain |
| P2312 | Vacuum pump overheating | 31 | Powertrain |
| P2313 | Vacuum pump relay control signal failure | 31 | Powertrain |
| P2314 | PCAN bus fault | 25 | Powertrain |
| P2315 | Control circuit for ignition coil 6: short to GND; Open or short to ground | 31 | Powertrain |
| P2316 | Brake pedal switch signal mutual exclusion fault | 31 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.