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

U0100

Lost Communication with ECM

Lost Communication with Engine Control Module

U0101

Lost Communication with TCM

Lost Communication with Transmission Control Module

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 301-400 of 4097 total codes

U0XXX Network Communication Systems

U012C
U012C indicates a communication issue between the ECM and ABS control module.
U012D
U012D signifies a communication failure with the steering angle sensor.
U012E
DTC U012E indicates a communication failure between control modules in your v...
U012F
U012F indicates a lost communication with the steering angle sensor module.
U0130
U0130 indicates a communication failure with the Body Control Module.
U0131
DTC U0131 signifies a communication error with the battery energy control mod...
U0132
U0132 indicates a lost communication with the steering angle sensor,
U0133
U0133 indicates a communication breakdown between the Powertrain Control Modu...
U0134
The DTC U0134 code indicates a loss of communication with the Body Control Mo...
U0135
U0135 means there's a communication problem between the vehicle's control mod...
U0136
DTC U0136 signifies a communication failure with the Steering Angle Sensor Mo...
U0137
U0137 indicates a loss of communication between the engine control module and...
U0138
U0138 indicates a communication failure with the Vehicle Control Module.
U0139
U0139 signifies a communication breakdown with the Vehicle Dynamics Control M...
U013A
U013A indicates a loss of communication with the Body Control Module (BCM).
U013B
U013B signifies a loss of communication with the steering angle sensor,
U013C
U013C signifies a communication failure with the steering angle sensor module...
U013D
U013D indicates a communication failure with the Battery Energy Control Module.
U013E
DTC U013E indicates a communication loss with the steering angle sensor module.
U013F
U013F indicates a communication error with the Battery Energy Control Module,...
U0140
U0140 indicates a loss of communication with the Body Control Module,
U0141
U0141 indicates a communication loss between the ECM and BCM.
U0142
Indicates a loss of communication between the vehicle's onboard diagnostic sy...
U0143
Indicates the ECM has lost communication with the BCM, which can lead to vari...
U0144
U0144 indicates a lost communication with the Body Control Module.
U0145
U0145 indicates a communication failure between the PCM and the door control ...
U0146
U0146 indicates a lost communication error between the ECM and BCM.
U0147
DTC U0147 indicates a communication error between the Body Control Module and...
U0148
DTC U0148 signifies a failure to communicate with the Body Control Module,
U0149
DTC U0149 means there's a communication failure between the Engine Control Mo...
U014A
DTC U014A indicates a communication failure between the BCM and PCM.
U014B
U014B indicates a loss of communication with the Body Control Module (BCM).
U014C
U014C indicates a communication failure between the vehicle's ECU and the BCM.
U014D
U014D signifies a lost communication with the Body Control Module (BCM).
U014E
U014E indicates a communication failure between vehicle control modules.
U014F
U014F signifies a lost communication with the Body Control Module,
U0150
U0150 indicates a lost communication with the Instrument Panel Cluster.
U0151
U0151 signifies a communication failure between the Body Control Module and o...
U0152
U0152 indicates a communication issue with the Body Control Module.
U0153
U0153 indicates a communication failure with the Vehicle Dynamics Control Mod...
U0154
The DTC U0154 code signifies a loss of communication between the vehicle's co...
U0155
U0155 indicates a communication loss between the engine control module and th...
U0156
DTC U0156 indicates a communication failure between the Body Control Module a...
U0157
DTC U0157 signifies a communication failure between the ECM and BCM.
U0158
U0158 indicates a communication failure with the Instrument Panel Control Mod...
U0159
U0159 indicates a communication failure between the ECM and BCM.
U015A
U015A signifies a communication failure with the Body Control Module,
U015B
U015B indicates a lost communication with the Body Control Module (BCM).
U015C
U015C indicates a communication failure with the Body Control Module (BCM).
U015D
U015D indicates a loss of communication with the instrument cluster,
U015E
DTC U015E indicates a communication issue with the vehicle's Instrument Panel...
U015F
U015F indicates a loss of communication with the Instrument Panel Cluster.
U0160
U0160 indicates a communication malfunction between vehicle control modules.
U0161
DTC U0161 indicates a communication failure between control modules in your v...
U0162
U0162 indicates a communication failure between your vehicle's powertrain con...
U0163
U0163 means there's a lost communication with the body control module.
U0164
U0164 indicates a communication failure between the Engine Control Module and...
U0165
U0165 indicates a lost communication signal between the engine and body contr...
U0166
DTC U0166 signifies that there is a communication issue between the vehicle's...
U0167
Indicates a loss of communication with the body control module (BCM) of your ...
U0168
U0168 indicates a communication failure between the steering column control m...
U0169
U0169 indicates a communication failure between the engine control module and...
U016A
U016A indicates a lost communication with the seat control module.
U016B
U016B indicates a communication failure between the Engine Control Module and...
U016C
U016C indicates a communication failure between vehicle control modules,
U016D
U016D indicates a communication error between the Body Control Module and oth...
U016E
DTC U016E is a diagnostic trouble code that indicates a communication issue b...
U016F
U016F signifies a communication failure between vehicle control modules.
U0170
U0170 indicates a communication issue between the Engine Control Module and t...
U0171
DTC U0171 signifies a communication failure between the engine control module...
U0172
U0172 indicates a communication failure between the ECM and the fuel level se...
U0173
U0173 signifies a communication error between the instrument cluster and the ...
U0174
U0174 indicates a lost communication with the Body Control Module (BCM),
U0175
DTC U0175 indicates a communication error between the Engine Control Module a...
U0176
U0176 indicates a communication failure between the engine control module and...
U0177
U0177 indicates a communication issue between the Body Control Module and ano...
U0178
U0178 means there's a communication issue between the ECM and the fuel pump c...
U0179
The diagnostic trouble code (DTC) U0179 indicates a communication breakdown b...
U017A
Indicates a communication issue between the Body Control Module (BCM) and the...
U017B
U017B signals a communication issue between the PCM and RCM, affecting airbag...
U017C
U017C is a communication error code indicating a fault in the vehicle's data ...
U017D
U017D indicates a communication failure between vehicle control modules.
U017E
U017E indicates a communication loss between vehicle control modules.
U017F
U017F indicates a lost communication with the Vehicle Communication Module.
U0180
U0180 indicates a communication failure between vehicle modules.
U0181
DTC U0181 indicates a communication failure between the Instrument Cluster an...
U0182
U0182 indicates a loss of communication between the Body Control Module and t...
U0183
U0183 indicates a communication issue between the ECM and BCM.
U0184
U0184 indicates a communication failure between the Instrument Cluster and th...
U0185
The U0185 code indicates a communication issue with the vehicle's bus 'A' net...
U0186
U0186 indicates a communication failure between the main control unit and the...
U0187
DTC U0187 indicates a communication breakdown between the ECM and ABS module ...
U0188
U0188 indicates a communication loss between the vehicle's control modules.
U0189
U0189 indicates a communication loss between the OBD-II system and the ABS co...
U018A
U018A indicates a communication error between the PCM and the instrument clus...
U018B
U018B signifies a communication error with the body control module,
U018C
U018C is a communication error with the Body Control Module.
U018D
DTC U018D indicates a communication failure between the BCM and PCM.
U018E
U018E indicates a communication error in the vehicle's network,
U018F
U018F indicates a communication error between vehicle modules.
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