Subaru fault codes
3,683 codes · 317 vehicle records · 0 ECU records · 0 live-data parameters
Codes 3,683
| Code | Description | Brands | System |
|---|---|---|---|
| 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 |
| B178B | SRS ECU fault | 2 | Body |
| B178C | SRS ECU fault | 9 | Body |
| B178D | SRS ECU fault | 3 | Body |
| B178E | Headlamp Switch Input-Circuit Short to Battery or Open | 4 | Body |
| B178F | SRS ECU fault | 3 | Body |
| B1790 | Lumbar Support Motor Circuit | 12 | Body |
| B1791 | SRS ECU fault | 5 | Body |
| B1792 | Left Rear Lamp Diagnostic Line-Circuit Short to Ground | 7 | Body |
| B1793 | Driver stage 2 seatbelt pretensioner resistance high | 5 | Body |
| B1794 | Hinged rear door electric child safety lock indicator light control or activation status readout circuit | 6 | Body |
| B1795 | Driver stage 2 seat belt pretensioner short to power | 13 | 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 |
| B1800 | Rear height sensor fault | 21 | Body |
| B1801 | Initialization not performed | 23 | Body |
| B1802 | Vehicle specification not saved | 23 | Body |
| B1803 | Rear height sensor value out of range at initialization | 25 | Body |
| B1804 | Headlight regulator fault | 21 | 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 |
| B1809 | Vehicle speed signal abnormal | 11 | Body |
| B1810 | Lf/driver seat motor 10 circuit | 17 | 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 |
| B181B | No description available | 3 | 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 |
| B1820 | driver recline rearward switch circuit malfunction | 21 | Body |
| B1821 | R side side ignition system open circuit | 11 | Body |
| B1822 | R side side ignition system ground shorted | 11 | Body |
| B1823 | D seat side side ignition system power short | 12 | Body |
| B1824 | The Lock bolt Motor is not supplied in Direction unLock | 8 | Body |
| B1825 | Engine oil level information failure | 17 | Body |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.