DFFS fault codes
7,984 codes · 47 vehicle records · 0 ECU records · 0 live-data parameters
Codes 7,984
| Code | Description | Brands | System |
|---|---|---|---|
| B1784 | Passive entry ECU, left LIN 3 - communication failure | 8 | Body |
| B1785 | Passive entry ECU, left - ECU internal fault | 14 | Body |
| B1786 | Keyless entry ECU, left: upper antenna failure | 8 | Body |
| B1787 | Keyless entry ECU, left: lower antenna failure | 7 | Body |
| B1788 | Passive entry ECU, left - ECU power failure | 6 | Body |
| B1789 | The electric child safety lock configuration in the intelligent control box is inconsistent | 4 | Body |
| B178A | Hinged rear door handle circuit | 3 | Body |
| B1794 | Hinged rear door electric child safety lock indicator light control or activation status readout circuit | 6 | Body |
| B1796 | Trunk external antenna circuit (inductive entry and start function) | 13 | Body |
| B1797 | Front area internal antenna circuit (inductive entry and start function) | 5 | Body |
| B1798 | Rear area internal antenna circuit (inductive entry and start function) | 3 | Body |
| B1799 | Trunk internal antenna circuit (passive entry passive start function) | 5 | Body |
| B179A | Front passenger stage 2 seatbelt pretensioner not connected | 2 | Body |
| B179B | Middle right seatbelt pretensioner resistance value too high | 2 | Body |
| B179C | Middle right seatbelt pretensioner not present | 8 | Body |
| B179D | Middle right seatbelt pretensioner short to power | 8 | Body |
| B179E | Middle right seatbelt pretensioner short to ground | 8 | Body |
| B179F | Keyless entry ECU, left: download incorrect or not performed | 2 | Body |
| B17A0 | Keyless entry ECU, right or rear: switches the function to protection mode when excessive door operation requests are detected within a specified time | 7 | Body |
| B17A1 | Keyless entry ECU, left: Switches this function to protection mode when excessive door operation requests are detected within a specified time | 1 | Body |
| B1805 | Starter failure | 24 | Body |
| B1806 | Engine shuts down while driving | 22 | Body |
| B1807 | Fault in immobilizer device unlocking through hybrid power management ECU 1 | 19 | Body |
| B1808 | Fault in anti-starting device unlocking through engine management electronic control unit | 21 | Body |
| B180B | Passive entry identifier verification/identification backup antenna circuit failure | 8 | Body |
| B1811 | Diesel additive pump failure | 17 | Body |
| B1812 | Engine start switch signal failure. | 15 | Body |
| B1813 | Start signal or ignition signal from ignition switch failure | 16 | Body |
| B1814 | Consistency fault between the wire transmission signal from the engine start switch and the multiplex transmission signal from the electronic key reader | 16 | Body |
| B1815 | Engine start switch indicator light failure | 15 | Body |
| B1816 | Loss of hybrid powertrain status information or start authorization information from the engine electronic control unit | 16 | Body |
| B1817 | Starting circuit fault | 15 | Body |
| B1818 | Engine oil level failure | 16 | Body |
| B1819 | Brake fluid level failure | 7 | Body |
| B181A | Response failure when electronic steering lock requesting lock/unlock | 10 | Body |
| B181C | Brake pedal switch status fault | 11 | Body |
| B181D | ABS or electronic stability program ECU relay control failure | 4 | Body |
| B181E | Electric steering electronic control unit power relay control failure | 10 | Body |
| B181F | The brake pedal is not detected during sharp deceleration | 7 | Body |
| B1825 | Engine oil level information failure | 17 | Body |
| B1826 | Engine oil pressure alarm failure | 19 | Body |
| B1827 | Downshift paddle stuck | 12 | Body |
| B1828 | Upshift paddle stuck | 13 | Body |
| B1829 | Traction battery charging status fault | 14 | Body |
| B182A | Reversible alternator operating status fault | 9 | Body |
| B182B | Power failure between rear wheel and electric motor | 3 | Body |
| B182C | Power supply failure between front wheel and internal combustion engine | 4 | Body |
| B182F | Detection of brake pedal depression during acceleration | 8 | Body |
| B1830 | High frequency function failure | 19 | Body |
| B1831 | High frequency function failure | 19 | Body |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.