C30xx OBD-II Codes (C3000–C3099)
100 fault codes in the C30xx range. Click any code for causes, diagnostic steps, severity, and common fixes.
C3000 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
C3001 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
C3002 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
C3003 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
C3004 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
C3005 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
C3006 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
C3007 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
C3008 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
C3009 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
C3010 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
C3011 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
C3012 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
C3013 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
C3014 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
C3015 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
C3016 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
C3017 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
C3018 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
C3019 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
C3020 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
C3021 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
C3022 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
C3023 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
C3024 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
C3025 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
C3026 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
C3027 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
C3028 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
C3029 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
C3030 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
C3031 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
C3032 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
C3033 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
C3034 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
C3035 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
C3036 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
C3037 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
C3038 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
C3039 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
C3040 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
C3041 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
C3042 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
C3043 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
C3044 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
C3045 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
C3046 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
C3047 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
C3048 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
C3049 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
C3050 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
C3051 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
C3052 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
C3053 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
C3054 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
C3055 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
C3056 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
C3057 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
C3058 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
C3059 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
C3060 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
C3061 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
C3062 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
C3063 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
C3064 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
C3065 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
C3066 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
C3067 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
C3068 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
C3069 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
C3070 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
C3071 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
C3072 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
C3073 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
C3074 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
C3075 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
C3076 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
C3077 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
C3078 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
C3079 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
C3080 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
C3081 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
C3082 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
C3083 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
C3084 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
C3085 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
C3086 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
C3087 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
C3088 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
C3089 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
C3090 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
C3091 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
C3092 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
C3093 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
C3094 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
C3095 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
C3096 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
C3097 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
C3098 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
C3099 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