C10xx OBD-II Codes (C1000–C1099)
62 fault codes in the C10xx range. Click any code for causes, diagnostic steps, severity, and common fixes.
C1000 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1001 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1002 critical
Brake-Lamp Switch / Brake Switch Stuck High (Dodge/Chrysler)
C1003 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1004 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1005 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1006 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1007 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1008 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1009 critical
Brake Fluid Level Low / Circuit Low (Dodge/Chrysler)
C1010 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1011 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1012 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1013 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1014 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1015 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1016 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1017 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1018 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1019 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1020 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1021 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1022 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1023 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1024 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1025 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1026 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1027 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1028 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1029 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1030 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1031 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1032 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1033 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1034 moderate
Wheel-Speed Sensor / Electronic Parking Brake Circuit (Ford EPB; rear wheel-speed on others)
C1035 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1036 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1037 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1038 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1039 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1040 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1041 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1042 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1043 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1044 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1045 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1046 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1047 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1048 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1049 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1050 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1051 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1052 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1053 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1054 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1055 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1056 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1057 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1058 moderate
Lateral Acceleration (Yaw) Sensor Fault (ABS/VSC; manufacturer-specific)
C1059 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1060 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1095 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information