Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| B1740 | driver seat front down switch circuit malfunction | 20 | Body |
| B1741 | L Turn signal lamp bulb outage | 20 | Body |
| B1742 | Turn signal switch fail | 11 | Body |
| B1743 | Hazard lamp fuse blowing out | 19 | Body |
| B1744 | Hazard button fail | 18 | Body |
| B1750 | driver seat rear down switch circuit malfunction | 16 | Body |
| B1751 | Driver door is not in 'lock' | 18 | Body |
| B1752 | Driver door is not in 'unlock' | 17 | Body |
| B1753 | Driver door is not in 'deadlock' | 16 | Body |
| B1760 | Mechanical key, passive entry reader or remote control verification error (depends on equipment) | 20 | Body |
| B1761 | Current VIN data not written | 16 | Body |
| B1762 | IOD fuse open | 20 | Body |
| B1763 | Lighting switch | 15 | Body |
| B1764 | Start Stop Button Signal Fault | 14 | Body |
| B1765 | Motor Seat-height Circuit Open | 19 | Body |
| B1766 | Already learned by other vehicle | 13 | Body |
| B1767 | Rear right side curtain airbag short to power | 8 | Body |
| B1770 | Lf/driver seat motor 2 circuit | 13 | Body |
| B1775 | Lf/driver seat motor 3 circuit | 15 | Body |
| B1776 | Driver's door mirror movement up drive circuit fault | 9 | Body |
| B1777 | Gateway ECU analog SW | 7 | Body |
| B1778 | Gateway ECU analog SW | 7 | Body |
| B1779 | Sunroof relay control | 13 | Body |
| B1780 | Passive entry ECU, right or rear - ECU internal fault | 16 | Body |
| B1785 | Passive entry ECU, left - ECU internal fault | 14 | Body |
| B1786 | Keyless entry ECU, left: upper antenna failure | 8 | Body |
| B1792 | Left Rear Lamp Diagnostic Line-Circuit Short to Ground | 7 | 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 |
| 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 |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.