All OBD2 Diagnostic Codes

Browse our complete database of 16000 diagnostic trouble codes.

U3000 Medium

Network Communication Code U3000 - Data Link

Network communication diagnostic trouble code related to data link communication.
U3001 Medium

Network Communication Code U3001 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U3002 Medium

Network Communication Code U3002 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U3003 Medium

Network Communication Code U3003 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U3004 Medium

Network Communication Code U3004 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U3005 Medium

Network Communication Code U3005 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U3006 Medium

Network Communication Code U3006 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U3007 Medium

Network Communication Code U3007 - Data Link

Network communication diagnostic trouble code related to data link communication.
U3008 Medium

Network Communication Code U3008 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U3009 Medium

Network Communication Code U3009 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U3010 Medium

Network Communication Code U3010 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U3011 Medium

Network Communication Code U3011 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U3012 Medium

Network Communication Code U3012 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U3013 Medium

Network Communication Code U3013 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U3014 Medium

Network Communication Code U3014 - Data Link

Network communication diagnostic trouble code related to data link communication.
U3015 Medium

Network Communication Code U3015 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U3016 Medium

Network Communication Code U3016 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U3017 Medium

Network Communication Code U3017 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U3018 Medium

Network Communication Code U3018 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U3019 Medium

Network Communication Code U3019 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U3020 Medium

Network Communication Code U3020 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U3021 Medium

Network Communication Code U3021 - Data Link

Network communication diagnostic trouble code related to data link communication.
U3022 Medium

Network Communication Code U3022 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U3023 Medium

Network Communication Code U3023 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U3024 Medium

Network Communication Code U3024 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U3025 Medium

Network Communication Code U3025 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U3026 Medium

Network Communication Code U3026 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U3027 Medium

Network Communication Code U3027 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U3028 Medium

Network Communication Code U3028 - Data Link

Network communication diagnostic trouble code related to data link communication.
U3029 Medium

Network Communication Code U3029 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U3030 Medium

Network Communication Code U3030 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U3031 Medium

Network Communication Code U3031 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U3032 Medium

Network Communication Code U3032 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U3033 Medium

Network Communication Code U3033 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U3034 Medium

Network Communication Code U3034 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U3035 Medium

Network Communication Code U3035 - Data Link

Network communication diagnostic trouble code related to data link communication.
U3036 Medium

Network Communication Code U3036 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U3037 Medium

Network Communication Code U3037 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U3038 Medium

Network Communication Code U3038 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U3039 Medium

Network Communication Code U3039 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U3040 Medium

Network Communication Code U3040 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U3041 Medium

Network Communication Code U3041 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U3042 Medium

Network Communication Code U3042 - Data Link

Network communication diagnostic trouble code related to data link communication.
U3043 Medium

Network Communication Code U3043 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U3044 Medium

Network Communication Code U3044 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U3045 Medium

Network Communication Code U3045 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U3046 Medium

Network Communication Code U3046 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U3047 Medium

Network Communication Code U3047 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U3048 Medium

Network Communication Code U3048 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U3049 Medium

Network Communication Code U3049 - Data Link

Network communication diagnostic trouble code related to data link communication.
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