All OBD2 Diagnostic Codes

Browse our complete database of 16000 diagnostic trouble codes.

U2100 Medium

Network Communication Code U2100 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U2101 Medium

Network Communication Code U2101 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U2102 Medium

Network Communication Code U2102 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U2103 Medium

Network Communication Code U2103 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U2104 Medium

Network Communication Code U2104 - Data Link

Network communication diagnostic trouble code related to data link communication.
U2105 Medium

Network Communication Code U2105 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U2106 Medium

Network Communication Code U2106 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U2107 Medium

Network Communication Code U2107 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U2108 Medium

Network Communication Code U2108 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U2109 Medium

Network Communication Code U2109 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U2110 Medium

Network Communication Code U2110 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U2111 Medium

Network Communication Code U2111 - Data Link

Network communication diagnostic trouble code related to data link communication.
U2112 Medium

Network Communication Code U2112 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U2113 Medium

Network Communication Code U2113 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U2114 Medium

Network Communication Code U2114 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U2115 Medium

Network Communication Code U2115 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U2116 Medium

Network Communication Code U2116 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U2117 Medium

Network Communication Code U2117 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U2118 Medium

Network Communication Code U2118 - Data Link

Network communication diagnostic trouble code related to data link communication.
U2119 Medium

Network Communication Code U2119 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U2120 Medium

Network Communication Code U2120 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U2121 Medium

Network Communication Code U2121 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U2122 Medium

Network Communication Code U2122 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U2123 Medium

Network Communication Code U2123 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U2124 Medium

Network Communication Code U2124 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U2125 Medium

Network Communication Code U2125 - Data Link

Network communication diagnostic trouble code related to data link communication.
U2126 Medium

Network Communication Code U2126 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U2127 Medium

Network Communication Code U2127 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U2128 Medium

Network Communication Code U2128 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U2129 Medium

Network Communication Code U2129 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U2130 Medium

Network Communication Code U2130 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U2131 Medium

Network Communication Code U2131 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U2132 Medium

Network Communication Code U2132 - Data Link

Network communication diagnostic trouble code related to data link communication.
U2133 Medium

Network Communication Code U2133 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U2134 Medium

Network Communication Code U2134 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U2135 Medium

Network Communication Code U2135 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U2136 Medium

Network Communication Code U2136 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U2137 Medium

Network Communication Code U2137 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U2138 Medium

Network Communication Code U2138 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U2139 Medium

Network Communication Code U2139 - Data Link

Network communication diagnostic trouble code related to data link communication.
U2140 Medium

Network Communication Code U2140 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U2141 Medium

Network Communication Code U2141 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U2142 Medium

Network Communication Code U2142 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
U2143 Medium

Network Communication Code U2143 - Module Communication

Network communication diagnostic trouble code related to module communication communication.
U2144 Medium

Network Communication Code U2144 - Gateway

Network communication diagnostic trouble code related to gateway communication.
U2145 Medium

Network Communication Code U2145 - Network Hub

Network communication diagnostic trouble code related to network hub communication.
U2146 Medium

Network Communication Code U2146 - Data Link

Network communication diagnostic trouble code related to data link communication.
U2147 Medium

Network Communication Code U2147 - Protocol Error

Network communication diagnostic trouble code related to protocol error communication.
U2148 Medium

Network Communication Code U2148 - Bus Fault

Network communication diagnostic trouble code related to bus fault communication.
U2149 Medium

Network Communication Code U2149 - CAN Bus

Network communication diagnostic trouble code related to can bus communication.
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