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 4301-4400 of 8192 total codes
U1XXX Network Communication Systems
U10CC
U10CC indicates a communication failure between control modules.
U10CD
U10CD indicates a communication failure between vehicle control modules.
U10CE
U10CE indicates a communication error between vehicle modules.
U10CF
The U10CF code indicates a communication issue within the vehicle's control s...
U10D0
U10D0 indicates a communication error between vehicle control modules.
U10D1
U10D1 indicates a communication fault in the vehicle's control systems,
U10D2
U10D2 indicates a communication failure between vehicle control modules.
U10D3
The U10D3 code signifies a communication issue within the vehicle network,
U10D4
U10D4 indicates a communication failure within the vehicle's battery manageme...
U10D5
The diagnostic trouble code (DTC) U10D5 indicates a communication issue withi...
U10D6
U10D6 indicates a communication error within the vehicle's control modules.
U10D7
DTC U10D7 indicates a communication issue with the vehicle's network,
U10D8
U10D8 indicates a communication error between vehicle modules,
U10D9
Indicates a problem with the communication between the vehicle's control modu...
U10DA
U10DA indicates a communication failure between control modules in your vehicle.
U10DB
U10DB indicates a communication failure between control modules in your vehicle.
U10DC
U10DC is a communication error code indicating issues between the ECM and oth...
U10DD
The U10DD code indicates a communication problem between control modules in y...
U10DE
The U10DE code indicates a communication failure between the ECM and BCM,
U10DF
U10DF indicates a communication error in your vehicle's network,
U10E0
U10E0 is a communication error code indicating issues between the body contro...
U10E1
U10E1 indicates a communication error between control modules.
U10E2
U10E2 refers to a communication error between control modules in your vehicle.
U10E3
U10E3 indicates a communication failure in your vehicle's Gateway Module.
U10E4
The U10E4 code indicates a communication error in the vehicle's Body Control ...
U10E5
U10E5 indicates a communication issue in the vehicle's network,
U10E6
U10E6 indicates a communication issue in the vehicle's battery monitoring sys...
U10E7
U10E7 is a communication error between vehicle control modules.
U10E8
DTC U10E8 signifies a communication failure between vehicle control modules.
U10E9
U10E9 indicates a communication failure between vehicle control modules.
U10EA
U10EA indicates a loss of communication with the Body Control Module in some ...
U10EB
U10EB signifies a communication error between the Body Control Module and oth...
U10EC
The U10EC code indicates a communication error with the Electric Power Steeri...
U10ED
DTC U10ED signifies a network communication error between vehicle control mod...
U10EE
U10EE indicates a communication failure in the vehicle's network,
U10EF
U10EF indicates a communication failure between vehicle modules.
U10F0
U10F0 signifies a communication error between electronic control units in you...
U10F1
U10F1 indicates a communication failure in the vehicle's control modules.
U10F2
U10F2 indicates a communication problem between control modules in your vehicle.
U10F3
U10F3 indicates a communication failure between vehicle control modules.
U10F4
DTC U10F4 points to a communication failure between the ECM and BCM.
U10F5
U10F5 indicates a communication error among vehicle control modules.
U10F6
U10F6 indicates a communication failure between vehicle control modules.
U10F7
U10F7 indicates a communication error between vehicle control modules.
U10F8
U10F8 indicates a communication error between vehicle control modules.
U10F9
U10F9 indicates a communication error between vehicle control modules.
U10FA
The diagnostic trouble code (DTC) U10FA indicates a communication error relat...
U10FB
U10FB indicates a communication error between the PCM and other modules.
U10FC
U10FC indicates a communication error in the vehicle's network,
U10FD
U10FD indicates a communication failure between the body control module and o...
U10FE
U10FE indicates a communication error between vehicle control modules.
U10FF
U10FF indicates a communication error in the vehicle's control modules.
U1100
U1100 indicates a communication failure between control modules in your vehicle.
U1101
U1101 indicates a communication error between vehicle control modules.
U1102
U1102 indicates a communication error in the vehicle's CAN bus system,
U1103
U1103 indicates a communication fault between control modules in your vehicle.
U1104
U1104 indicates a communication error in the vehicle's control modules.
U1105
U1105 indicates a communication failure between control modules in your vehicle.
U1106
U1106 indicates a communication error in the CAN bus system.
U1107
U1107 indicates a communication error between control modules.
U1108
U1108 indicates a communication error within the vehicle's network,
U1109
U1109 indicates a communication failure between the powertrain control module...
U110A
U110A indicates a lost communication with the fuel pump control module.
U110B
U110B indicates a communication error between control modules in your vehicle.
U110C
U110C indicates a communication failure within the vehicle's CAN bus system.
U110D
U110D signifies a communication error between control modules in your vehicle.
U110E
U110E indicates a communication failure between vehicle control modules.
U110F
U110F indicates a loss of communication with the Fuel Pump Control Module.
U1110
U1110 indicates a communication issue within the vehicle's control modules.
U1111
DTC U1111 indicates a loss of communication with one or more control modules ...
U1112
U1112 indicates a communication failure with the hybrid powertrain control mo...
U1113
U1113 indicates a communication error between vehicle control modules,
U1114
U1114 indicates a communication error between control modules in your vehicle.
U1115
U1115 indicates a communication error between vehicle control modules,
U1116
U1116 indicates a loss of communication between control modules in your vehic...
U1117
Indicates a communication issue in your vehicle's network, particularly relat...
U1118
U1118 signifies a communication issue within the vehicle's control modules.
U1119
U1119 indicates a communication issue between control modules in your vehicle.
U111A
The U111A code signifies a communication failure between vehicle control modu...
U111B
U111B signifies a communication error in the vehicle's control modules,
U111C
U111C indicates a communication failure between vehicle control modules.
U111D
U111D indicates a communication failure between vehicle control modules.
U111E
U111E indicates a communication error between vehicle control modules.
U111F
U111F indicates a communication issue between the ECM and other control units...
U1120
U1120 indicates that there's a communication error between control modules in...
U1121
DTC U1121 indicates a communication issue between vehicle control modules.
U1122
U1122 indicates a communication failure between vehicle control modules.
U1123
U1123 is a communication error code indicating a problem with vehicle network...
U1124
U1124 indicates a communication failure between the ECM and VDCM.
U1125
The U1125 code indicates a communication failure between vehicle control modu...
U1126
U1126 indicates a communication error within the vehicle's CAN bus system.
U1127
U1127 signifies a communication error between control modules in your vehicle.
U1128
U1128 means there's a communication failure between the ECM and VDC,
U1129
U1129 indicates a communication failure between vehicle control modules.
U112A
U112A indicates lost communication with the wheel speed sensor,
U112B
The U112B code refers to a communication loss between control modules in your...
U112C
U112C indicates a communication failure with the Vehicle Dynamics Control Mod...
U112D
U112D indicates a communication loss between control modules in your vehicle.
U112E
U112E indicates a communication error between vehicle control modules.
U112F
U112F indicates a loss of communication between modules in your vehicle's net...
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