CADILLAC fault codes
Coverage shown is GM data: 17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters.
CADILLAC shares fault-code data with GM. Data may not cover CADILLAC-specific systems.
Codes 17,703
| Code | Description | Brands | System |
|---|---|---|---|
| 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 |
| B181A | Response failure when electronic steering lock requesting lock/unlock | 10 | Body |
| B181C | Brake pedal switch status fault | 11 | 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 |
| B1820 | driver recline rearward switch circuit malfunction | 21 | Body |
| B1825 | Engine oil level information failure | 17 | Body |
| B1826 | Engine oil pressure alarm failure | 19 | Body |
| B1829 | Traction battery charging status fault | 14 | Body |
| B182A | Reversible alternator operating status fault | 9 | Body |
| B182E | No description available | 7 | 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 |
| B1832 | ECU internal fault | 18 | Body |
| B1833 | Key transponder failure | 18 | Body |
| B1834 | Transponder malfunction | 15 | Body |
| B1835 | High frequency function failure | 18 | Body |
| B1836 | Transponder antenna failure | 19 | Body |
| B1837 | Communication failure with transponder | 17 | Body |
| B1838 | Centralized steering wheel ECU power failure | 20 | Body |
| B1839 | The function button of the descent control system is stuck | 15 | Body |
| B183A | Driver Seat Massage Switch Circuit | 9 | Body |
| B183B | Seat Lumbar Support Switch Signal Circuit | 9 | Body |
| B183C | Seat Bolster/Massage Switch Signal Circuit | 9 | Body |
| B183D | ECU Main Controller Error | 9 | Body |
| B183E | ECU Main Controller Program Sequence Error | 8 | Body |
| B183F | Engine start and/or restart counter failure | 9 | Body |
| B1840 | Consistency fault between electronic key reader start request and engine start switch pressing | 16 | Body |
| B1841 | USB 1 interface circuit overcurrent | 14 | Body |
| B1842 | USB 2 interface circuit overcurrent | 13 | Body |
| B1844 | No description available | 10 | Body |
| B1845 | driver lumbar down switch circuit malfunction | 11 | Body |
| B1846 | No description available | 12 | Body |
| B1847 | Infotainment Head Unit (IHU) detected to be inconsistent with the gateway network management type | 13 | Body |
| B1848 | No description available | 12 | Body |
| B1849 | No description available | 12 | Body |
| B184A | No description available | 8 | Body |
| B184B | No description available | 8 | Body |
| B184C | Activation active | 9 | Body |
| B184D | No description available | 8 | Body |
| B184E | No description available | 6 | Body |
| B184F | No description available | 6 | Body |
| B1850 | driver lumbar horiz sensor circuit malfunction | 15 | Body |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.