U30xx OBD-II Codes (U3000–U3099)

U3000 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3001 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3002 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3003 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3004 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3005 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3006 low

Control Module Input Power "A" — generic SAE/ISO control-module power-supply circuit fault

U3007 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3008 low

Control Module Ground "A" (generic SAE U30xx control-module-power/ground family)

U3009 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3010 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3011 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3012 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3013 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3014 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3015 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3016 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3017 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3018 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3019 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3020 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3021 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3022 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3023 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3024 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3025 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3026 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3027 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3028 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3029 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3030 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3031 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3032 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3033 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3034 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3035 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3036 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3037 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3038 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3039 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3040 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3041 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3042 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3043 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3044 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3045 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3046 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3047 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3048 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3049 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3050 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3051 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3052 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3053 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3054 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3055 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3056 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3057 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3058 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3059 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3060 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3061 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3062 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3063 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3064 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3065 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3066 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3067 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3068 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3069 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3070 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3071 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3072 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3073 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3074 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3075 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3076 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3077 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3078 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3079 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3080 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3081 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3082 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3083 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3084 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3085 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3086 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3087 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3088 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3089 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3090 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3091 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3092 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3093 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3094 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3095 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3096 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3097 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3098 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U3099 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information