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 7001-7100 of 8192 total codes
U1XXX Network Communication Systems
U1B58
DTC U1B58 indicates a communication malfunction in the vehicle's control syst...
U1B59
DTC U1B59 is a diagnostic trouble code that indicates a communication issue b...
U1B5A
U1B5A indicates a communication error within the vehicle's network,
U1B5B
U1B5B signifies a communication issue in the vehicle's body control module.
U1B5C
U1B5C indicates a communication error within the ADAS modules of your vehicle.
U1B5D
U1B5D indicates a communication error within the vehicle's electronic control...
U1B5E
U1B5E indicates a communication failure in vehicle electronic systems,
U1B5F
U1B5F indicates a communication issue with the Body Control Module.
U1B60
U1B60 indicates a communication failure in the vehicle's control modules,
U1B61
DTC U1B61 refers to a communication issue within the vehicle's advanced syste...
U1B62
DTC U1B62 indicates a communication issue between vehicle control modules,
U1B63
U1B63 signifies a communication error within the vehicle's network,
U1B64
U1B64 indicates a communication failure within the vehicle's network,
U1B65
U1B65 indicates a communication issue within the vehicle's control modules.
U1B66
U1B66 indicates a communication issue with the Body Control Module.
U1B67
U1B67 indicates a communication error within the vehicle's electronic control...
U1B68
U1B68 indicates a communication fault between the Body Control Module and oth...
U1B69
U1B69 indicates a communication error between vehicle modules.
U1B6A
The U1B6A code indicates a communication issue with the chassis control module.
U1B6B
DTC U1B6B indicates a communication issue within the vehicle's control module...
U1B6C
U1B6C indicates a communication failure between electronic control units in y...
U1B6D
DTC U1B6D indicates a communication fault in the vehicle's electronic systems.
U1B6E
U1B6E indicates a communication error between the Body Control Module and Ins...
U1B6F
U1B6F indicates a communication issue with the Battery Energy Control Module.
U1B70
U1B70 indicates a communication error in the vehicle's network,
U1B71
U1B71 indicates a communication problem between control modules in your vehicle.
U1B72
U1B72 indicates a communication error between vehicle control modules,
U1B73
U1B73 indicates a communication error between vehicle modules.
U1B74
U1B74 indicates a communication failure within the vehicle's electronic modules.
U1B75
U1B75 indicates a communication failure in your vehicle's electronic modules.
U1B76
U1B76 indicates a communication error between vehicle control modules.
U1B77
U1B77 indicates a communication failure in the vehicle's audio/video system.
U1B78
U1B78 indicates a communication error in the vehicle's body control module.
U1B79
U1B79 indicates a communication error in the low-speed CAN bus system of your...
U1B7A
U1B7A indicates a communication failure between the Body Control Module and o...
U1B7B
U1B7B indicates a communication issue within the vehicle's network,
U1B7C
U1B7C indicates a failure in the vehicle's communication network,
U1B7D
U1B7D indicates a communication error in the vehicle's network,
U1B7E
DTC U1B7E is a diagnostic trouble code that indicates a communication issue w...
U1B7F
U1B7F indicates a communication failure within the vehicle's Body Control Mod...
U1B80
U1B80 indicates a communication error within the vehicle's control modules.
U1B81
U1B81 indicates a communication error between vehicle control modules.
U1B82
U1B82 indicates a high voltage battery system fault in hybrid vehicles.
U1B83
U1B83 signifies a communication problem within the vehicle's network,
U1B84
U1B84 is a code indicating a communication link issue within the vehicle's el...
U1B85
U1B85 indicates a communication error in the vehicle's data bus system.
U1B86
DTC U1B86 indicates a communication issue between the body control module and...
U1B87
U1B87 signifies a communication error between vehicle control modules.
U1B88
U1B88 indicates a communication malfunction within the vehicle's control syst...
U1B89
U1B89 indicates a communication problem between vehicle control modules.
U1B8A
U1B8A indicates a communication issue within the vehicle's electronic systems.
U1B8B
U1B8B indicates a communication issue between control modules in your vehicle.
U1B8C
DTC U1B8C indicates a communication issue between vehicle control modules,
U1B8D
U1B8D indicates a communication issue within the vehicle's network,
U1B8E
U1B8E indicates a communication error in the Body Control Module (BCM) of you...
U1B8F
The U1B8F code indicates a communication error in the LIN bus system of your ...
U1B90
U1B90 indicates a communication error between vehicle control modules,
U1B91
U1B91 indicates a communication failure between vehicle modules.
U1B92
U1B92 indicates a high-speed CAN communication error between control modules.
U1B93
U1B93 indicates a communication failure between vehicle modules.
U1B94
U1B94 indicates a communication issue within the vehicle's control modules.
U1B95
U1B95 indicates a communication issue between vehicle modules.
U1B96
U1B96 indicates a communication issue within your vehicle's electronic system...
U1B97
U1B97 indicates a communication fault in the vehicle's network,
U1B98
U1B98 indicates a communication fault within the vehicle's control modules.
U1B99
U1B99 indicates a network communication error in the vehicle's electronic sys...
U1B9A
U1B9A indicates a communication issue within the vehicle's network,
U1B9B
DTC U1B9B indicates a communication error in the vehicle's body control modul...
U1B9C
U1B9C indicates a communication error between vehicle control modules.
U1B9D
U1B9D indicates a communication issue with the body control module.
U1B9E
U1B9E indicates a communication issue in the vehicle's advanced driver-assist...
U1B9F
DTC U1B9F indicates a communication failure in the body control module affect...
U1BA0
U1BA0 indicates a communication issue between vehicle control modules.
U1BA1
U1BA1 indicates a communication error within your vehicle's systems,
U1BA2
U1BA2 indicates a communication issue with the Body Control Module.
U1BA3
DTC U1BA3 indicates a communication failure between vehicle control modules,
U1BA4
U1BA4 indicates a communication failure in the vehicle's ECU related to advan...
U1BA5
U1BA5 indicates a communication error between vehicle control modules.
U1BA6
U1BA6 indicates a communication error between vehicle modules.
U1BA7
Indicates a communication error within the vehicle’s network, specifically re...
U1BA8
DTC U1BA8 indicates a communication fault within the vehicle's network,
U1BA9
U1BA9 indicates a communication error between vehicle control modules.
U1BAA
U1BAA indicates a communication error in the vehicle's driver-assistance syst...
U1BAB
DTC U1BAB refers to a communication issue between vehicle modules.
U1BAC
U1BAC indicates a communication error between vehicle control modules.
U1BAD
U1BAD indicates a communication failure between control modules in your vehicle.
U1BAE
U1BAE indicates a communication failure within the vehicle's Body Control Mod...
U1BAF
U1BAF indicates a communication failure between vehicle control modules.
U1BB0
U1BB0 indicates a communication malfunction within the vehicle's control modu...
U1BB1
The U1BB1 code indicates a communication error within the vehicle's network,
U1BB2
The U1BB2 code indicates a communication issue with the Battery Energy Contro...
U1BB3
U1BB3 indicates a communication issue within the vehicle's network.
U1BB4
U1BB4 indicates a communication issue between control modules.
U1BB5
U1BB5 indicates a communication error within the vehicle's network.
U1BB6
The U1BB6 code indicates a communication error in the vehicle's control modules.
U1BB7
U1BB7 indicates a vehicle communication error between electronic modules.
U1BB8
U1BB8 indicates a communication malfunction between control modules in your v...
U1BB9
U1BB9 indicates a communication issue with the body control module.
U1BBA
U1BBA indicates a communication error in the vehicle's electronic control mod...
U1BBB
U1BBB indicates a communication issue within the vehicle's control modules.
Page 71 of 82