C18xx
Chassis
Mechanical systems outside the powertrain: braking, ABS, traction and stability control, wheel speed sensing, steering and suspension. This dataset cannot narrow a chassis code further - the groupings behind the third character are not standardised across makes, and no free source covers them.
No open-source descriptions exist for this system, so its codes are read from their structure.
Manufacturer-specific. Check a source specific to your make and model year.
C1800
C1801
C1802
C1803
C1804
C1805
C1806
C1807
C1808
C1809
C180A
C180B
C180C
C180D
C180E
C180F
C1810
C1811
C1812
C1813
C1814
C1815
C1816
C1817
C1818
C1819
C181A
C181B
C181C
C181D
C181E
C181F
C1820
C1821
C1822
C1823
C1824
C1825
C1826
C1827
C1828
C1829
C182A
C182B
C182C
C182D
C182E
C182F
C1830
C1831
C1832
C1833
C1834
C1835
C1836
C1837
C1838
C1839
C183A
C183B
C183C
C183D
C183E
C183F
C1840
C1841
C1842
C1843
C1844
C1845
C1846
C1847
C1848
C1849
C184A
C184B
C184C
C184D
C184E
C184F
C1850
C1851
C1852
C1853
C1854
C1855
C1856
C1857
C1858
C1859
C185A
C185B
C185C
C185D
C185E
C185F
C1860
C1861
C1862
C1863
C1864
C1865
C1866
C1867
C1868
C1869
C186A
C186B
C186C
C186D
C186E
C186F
C1870
C1871
C1872
C1873
C1874
C1875
C1876
C1877
C1878
C1879
C187A
C187B
C187C
C187D
C187E
C187F
C1880
C1881
C1882
C1883
C1884
C1885
C1886
C1887
C1888
C1889
C188A
C188B
C188C
C188D
C188E
C188F
C1890
C1891
C1892
C1893
C1894
C1895
C1896
C1897
C1898
C1899
C189A
C189B
C189C
C189D
C189E
C189F
C18A0
C18A1
C18A2
C18A3
C18A4
C18A5
C18A6
C18A7
C18A8
C18A9
C18AA
C18AB
C18AC
C18AD
C18AE
C18AF
C18B0
C18B1
C18B2
C18B3
C18B4
C18B5
C18B6
C18B7
C18B8
C18B9
C18BA
C18BB
C18BC
C18BD
C18BE
C18BF
C18C0
C18C1
C18C2
C18C3
C18C4
C18C5
C18C6
C18C7
C18C8
C18C9
C18CA
C18CB
C18CC
C18CD
C18CE
C18CF
C18D0
C18D1
C18D2
C18D3
C18D4
C18D5
C18D6
C18D7
C18D8
C18D9
C18DA
C18DB
C18DC
C18DD
C18DE
C18DF
C18E0
C18E1
C18E2
C18E3
C18E4
C18E5
C18E6
C18E7
C18E8
C18E9
C18EA
C18EB
C18EC
C18ED
C18EE
C18EF
C18F0
C18F1
C18F2
C18F3
C18F4
C18F5
C18F6
C18F7
C18F8
C18F9
C18FA
C18FB
C18FC
C18FD
C18FE
C18FF
Read this code from your own car
Plug an ELM327 adapter into the OBD-II port under the dashboard. Pin16 reads every stored, pending and permanent code, explains each one like this page does — offline, with no account — and shows what the car recorded when the fault was set.