Network Communication Codes (U0XXX)
Complete list of network communication diagnostic trouble codes (U0XXX). Browse codes for CAN bus and module communication issues.
Popular Network Communication Codes
U0121
Lost Communication with ABS
Lost Communication with Anti-Lock Brake System Control Module
U0202
Lost Communication with Instrument Panel
Lost Communication with Instrument Panel Control Module
U0300
Lost Communication with Infotainment
Lost Communication with Infotainment Control Module
Complete Network Codes Index
Browse all available network communication diagnostic trouble codes (U0XXX) organized by series:
Showing codes 7801-7900 of 8192 total codes
U1XXX Network Communication Systems
U1E78
DTC U1E78 signifies a communication failure in the electric parking brake sys...
U1E79
U1E79 indicates a communication error between different vehicle control modules.
U1E7A
U1E7A indicates a communication issue within the vehicle's electronic control...
U1E7B
U1E7B indicates a communication error among vehicle control modules.
U1E7C
Indicates a fault in the vehicle's body control module (BCM) or a related com...
U1E7D
The U1E7D diagnostic trouble code (DTC) is a communication error specifically...
U1E7E
U1E7E indicates a communication error between vehicle modules.
U1E7F
The U1E7F code indicates a communication error within the vehicle's control m...
U1E80
U1E80 means there's a communication issue between vehicle modules.
U1E81
U1E81 indicates a communication error between vehicle control modules.
U1E82
Indicates one or more modules within the vehicle are unable to communicate pr...
U1E83
DTC U1E83 indicates a communication issue within your vehicle's electronic co...
U1E84
U1E84 indicates a communication error between vehicle control modules.
U1E85
U1E85 indicates a communication issue between vehicle control modules.
U1E86
DTC U1E86 signifies a communication issue within the vehicle's control modules.
U1E87
U1E87 indicates a communication failure between vehicle modules.
U1E88
U1E88 indicates a communication error between control modules in your vehicle.
U1E89
U1E89 signifies a communication error between vehicle control modules.
U1E8A
U1E8A indicates a communication fault in the vehicle's electronic control units.
U1E8B
The U1E8B code signifies a communication error within the vehicle's network,
U1E8C
U1E8C indicates a communication error between vehicle modules,
U1E8D
U1E8D indicates a communication failure between vehicle control modules,
U1E8E
U1E8E indicates a communication fault in the body control module network.
U1E8F
U1E8F indicates a communication failure between vehicle control units,
U1E90
The U1E90 code signifies a communication failure between control modules.
U1E91
U1E91 indicates a communication error between control modules in your vehicle.
U1E92
U1E92 indicates a communication issue within the vehicle's network,
U1E93
U1E93 indicates a communication failure between vehicle control modules.
U1E94
Indicates there is a failure in the data communication network,
U1E95
U1E95 indicates a communication problem between vehicle control modules.
U1E96
U1E96 indicates a communication issue between vehicle control modules.
U1E97
U1E97 indicates a communication issue between vehicle control modules.
U1E98
U1E98 indicates a communication error between the vehicle's control modules.
U1E99
DTC U1E99 indicates a communication problem in your vehicle's control modules.
U1E9A
U1E9A indicates a communication failure between vehicle control modules,
U1E9B
U1E9B indicates a communication error in the vehicle's electronic systems.
U1E9C
DTC U1E9C indicates a communication failure in the vehicle's control modules.
U1E9D
U1E9D indicates a communication error between vehicle control modules.
U1E9E
DTC U1E9E indicates a communication error between vehicle control modules.
U1E9F
DTC U1E9F indicates a communication issue within the vehicle's network,
U1EA0
DTC U1EA0 signifies a communication error between the body control module and...
U1EA1
U1EA1 indicates a communication error between vehicle modules,
U1EA2
U1EA2 means there's a communication issue within your vehicle's network.
U1EA3
U1EA3 indicates a communication problem between vehicle control modules.
U1EA4
U1EA4 indicates a communication issue between vehicle control modules.
U1EA5
DTC U1EA5 signifies a communication error between vehicle control modules.
U1EA6
U1EA6 indicates a communication error between control modules in your vehicle.
U1EA7
The U1EA7 code signals a communication error between vehicle modules.
U1EA8
U1EA8 indicates a communication issue between vehicle control modules.
U1EA9
U1EA9 indicates a communication error in the vehicle's ADAS network.
U1EAA
U1EAA indicates a communication issue between vehicle control modules.
U1EAB
The U1EAB code indicates a communication failure between the body control mod...
U1EAC
U1EAC signifies a communication error within the vehicle's network,
U1EAD
U1EAD indicates a communication problem between vehicle control modules.
U1EAE
U1EAE indicates a communication error between vehicle control modules.
U1EAF
U1EAF indicates a communication error in the vehicle's network.
U1EB0
U1EB0 indicates a communication issue within the vehicle's control modules.
U1EB1
U1EB1 indicates a communication error involving the Battery Energy Control Mo...
U1EB2
U1EB2 indicates a communication fault between vehicle control modules.
U1EB3
U1EB3 indicates a communication failure in the body control module's network.
U1EB4
U1EB4 indicates a communication error between vehicle modules,
U1EB5
U1EB5 indicates a communication error between vehicle control modules.
U1EB6
U1EB6 indicates a communication issue within the vehicle's control modules.
U1EB7
The U1EB7 code indicates a communication problem in the Body Control Module.
U1EB8
U1EB8 indicates a communication problem within the vehicle's electronics,
U1EB9
U1EB9 indicates a communication error within the vehicle's control modules.
U1EBA
U1EBA indicates a communication issue between vehicle modules.
U1EBB
The U1EBB code indicates a communication failure between the body control mod...
U1EBC
U1EBC indicates a communication error within the vehicle's network,
U1EBD
The U1EBD code signifies a communication issue within the vehicle's control m...
U1EBE
DTC U1EBE indicates a communication error between the Vehicle Control Module ...
U1EBF
U1EBF indicates a communication fault within the hybrid system of your vehicle.
U1EC0
U1EC0 indicates a communication fault within your vehicle's control module ne...
U1EC1
U1EC1 indicates a communication issue with the Body Control Module (BCM).
U1EC2
U1EC2 indicates a communication issue within the vehicle's control modules.
U1EC3
U1EC3 indicates a communication failure in the vehicle's advanced systems.
U1EC4
U1EC4 indicates a communication error in the vehicle's control modules.
U1EC5
U1EC5 indicates a communication error between vehicle control modules,
U1EC6
U1EC6 indicates a communication error within the vehicle's control modules.
U1EC7
U1EC7 indicates a communication malfunction within the vehicle's electronic s...
U1EC8
The U1EC8 code indicates a communication error in the vehicle's control modules.
U1EC9
U1EC9 indicates a communication error within vehicle control modules.
U1ECA
U1ECA indicates a communication failure in the vehicle's electronic systems.
U1ECB
U1ECB indicates a communication issue within the vehicle's electronic control...
U1ECC
U1ECC indicates a communication problem between control modules in your vehicle.
U1ECD
Indicates a communication issue within the vehicle's network.
U1ECE
U1ECE signifies a communication error within your vehicle’s control modules.
U1ECF
U1ECF indicates a communication issue between the body control module and oth...
U1ED0
U1ED0 signifies a communication error within the vehicle's network,
U1ED1
U1ED1 indicates a communication issue between vehicle modules,
U1ED2
DTC U1ED2 indicates a communication issue between control modules in your veh...
U1ED3
U1ED3 indicates a communication issue within the vehicle's control modules.
U1ED4
U1ED4 indicates a fault in the vehicle's communication system,
U1ED5
U1ED5 indicates a communication issue within the vehicle's control modules.
U1ED6
U1ED6 indicates a communication issue among the vehicle's control modules.
U1ED7
U1ED7 indicates a communication error between control modules in your vehicle.
U1ED8
Indicates manufacturer-specific code that typically pertains to communication...
U1ED9
U1ED9 signifies a communication fault within your vehicle's network,
U1EDA
The U1EDA code indicates a communication error between electronic control mod...
U1EDB
U1EDB indicates a communication fault in the vehicle's electronic network.
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