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 3101-3200 of 4097 total codes
U0XXX Network Communication Systems
U0C1C
U0C1C indicates a communication error in the vehicle's network.
U0C1D
The U0C1D code indicates a communication issue between electronic control uni...
U0C1E
U0C1E indicates a communication error between electronic modules.
U0C1F
The U0C1F trouble code is a communication error code that indicates a problem...
U0C20
U0C20 signifies a communication error between vehicle modules.
U0C21
U0C21 indicates a communication error between vehicle control modules.
U0C22
U0C22 is a communication error code indicating that the vehicle's control mod...
U0C23
U0C23 indicates a communication failure within the vehicle's network,
U0C24
U0C24 indicates a communication problem between vehicle control modules.
U0C25
DTC U0C25 indicates an issue with the Electric Power Steering Assist,
U0C26
U0C26 signifies a communication issue between the Body Control Module and oth...
U0C27
U0C27 indicates a communication error between vehicle control modules.
U0C28
DTC U0C28 signifies a communication error between control modules in your veh...
U0C29
Indicates network communication issue that typically relates to the vehicle's...
U0C2A
DTC U0C2A indicates a communication error between control modules in the vehi...
U0C2B
U0C2B indicates a communication issue between your vehicle's control modules.
U0C2C
U0C2C indicates a fault in the vehicle's communication bus, affecting data ex...
U0C2D
U0C2D indicates a communication issue in the vehicle's body control module.
U0C2E
U0C2E indicates a communication failure in the power steering control module.
U0C2F
U0C2F refers to a communication error in your vehicle's CAN system,
U0C30
The U0C30 code signifies a communication problem between vehicle control modu...
U0C31
DTC U0C31 signals a communication issue within the vehicle's body control mod...
U0C32
DTC U0C32 indicates a communication error between control modules,
U0C33
DTC U0C33 indicates a communication fault within the vehicle's ADAS system.
U0C34
U0C34 indicates a communication error in the vehicle's electronic systems.
U0C35
U0C35 indicates a communication failure between vehicle modules.
U0C36
U0C36 indicates a communication fault within vehicle control modules.
U0C37
U0C37 indicates a communication error between the power steering control modu...
U0C38
U0C38 indicates a communication error in your vehicle's network.
U0C39
U0C39 indicates a communication issue with the Body Control Module.
U0C3A
U0C3A indicates a communication error in the vehicle's network,
U0C3B
U0C3B indicates a communication error between vehicle modules,
U0C3C
U0C3C indicates a communication failure between vehicle control modules.
U0C3D
DTC U0C3D indicates a fault in the Advanced Driver Assistance System,
U0C3E
U0C3E indicates a communication failure between control modules in the vehicl...
U0C3F
U0C3F indicates a communication problem between control modules in your vehicle.
U0C40
U0C40 indicates a communication failure between vehicle modules.
U0C41
U0C41 signifies a communication failure within vehicle modules.
U0C42
U0C42 indicates a communication fault between control modules in the vehicle.
U0C43
The U0C43 code indicates a communication error in the vehicle's gateway module.
U0C44
U0C44 indicates a communication error between the Body Control Module and oth...
U0C45
DTC U0C45 signifies a communication error within the vehicle's control modules.
U0C46
DTC U0C46 indicates a communication issue between control units in your vehicle.
U0C47
DTC U0C47 indicates a communication issue within the vehicle's ADAS.
U0C48
U0C48 indicates a communication issue within the vehicle's control modules.
U0C49
U0C49 indicates a communication error between vehicle control modules.
U0C4A
U0C4A indicates a communication failure between the vehicle's control modules.
U0C4B
U0C4B indicates a communication error between the vehicle's control modules.
U0C4C
U0C4C indicates a communication error between vehicle control modules.
U0C4D
U0C4D indicates a communication issue between your vehicle's powertrain contr...
U0C4E
U0C4E signals a communication failure between vehicle control modules,
U0C4F
U0C4F indicates a communication error within the vehicle's control modules.
U0C50
U0C50 is a communication error code indicating a failure in the vehicle's con...
U0C51
U0C51 indicates a communication error between vehicle modules,
U0C52
DTC U0C52 indicates a communication issue between the powertrain control modu...
U0C53
U0C53 indicates a communication issue between your vehicle's control modules.
U0C54
DTC U0C54 indicates a communication failure between control modules in your v...
U0C55
U0C55 indicates a communication error in the vehicle's network,
U0C56
DTC U0C56 indicates a communication error in the vehicle's electronic systems...
U0C57
DTC U0C57 indicates a communication fault within the vehicle's control modules.
U0C58
U0C58 indicates a communication issue between control modules in your vehicle.
U0C59
U0C59 indicates a communication failure between vehicle control modules.
U0C5A
U0C5A indicates a communication error between control modules in your vehicle.
U0C5B
U0C5B indicates a communication error in the body control module of your vehi...
U0C5C
U0C5C denotes a communication error between control modules in the vehicle.
U0C5D
U0C5D indicates a communication failure between the body control module and o...
U0C5E
U0C5E indicates a communication error between vehicle control modules.
U0C5F
U0C5F indicates a communication error between control modules in your vehicle.
U0C60
U0C60 indicates a communication error in the vehicle's control modules.
U0C61
DTC U0C61 signifies a communication error in the vehicle's electronic systems.
U0C62
U0C62 indicates a communication issue in the vehicle's network,
U0C63
U0C63 indicates a communication error in the vehicle's network.
U0C64
DTC U0C64 indicates a communication failure between vehicle control modules.
U0C65
DTC U0C65 indicates a communication error in the vehicle's gateway module.
U0C66
Indicates the PMCM is unable to communicate properly with other modules,
U0C67
U0C67 indicates a communication error in the vehicle's electronic systems.
U0C68
DTC U0C68 indicates a communication error in the vehicle's Advanced Driver As...
U0C69
U0C69 indicates a communication error in the vehicle's electronic systems.
U0C6A
U0C6A indicates a communication error with the Body Control Module in your ve...
U0C6B
U0C6B indicates a communication error between vehicle control modules.
U0C6C
DTC U0C6C signifies a communication error between the Body Control Module and...
U0C6D
DTC U0C6D indicates a communication issue within the vehicle's network,
U0C6E
U0C6E indicates a communication failure between vehicle control modules.
U0C6F
U0C6F indicates a communication link fault within the vehicle's electronic sy...
U0C70
U0C70 indicates a communication issue with the body control module.
U0C71
DTC U0C71 indicates a communication failure between the Body Control Module a...
U0C72
DTC U0C72 indicates a communication error between the Body Control Module and...
U0C73
U0C73 indicates a communication fault between vehicle control modules,
U0C74
DTC U0C74 indicates a communication issue with the Body Control Module in you...
U0C75
U0C75 indicates a communication error between vehicle control modules.
U0C76
U0C76 indicates a communication error between vehicle modules.
U0C77
U0C77 is a communication error related to the hybrid battery control system.
U0C78
U0C78 indicates a communication issue between vehicle control modules.
U0C79
U0C79 indicates a communication issue between vehicle modules,
U0C7A
U0C7A indicates a communication error among vehicle control modules,
U0C7B
U0C7B signifies a communication error between vehicle control modules.
U0C7C
U0C7C indicates a communication fault between vehicle control modules.
U0C7D
U0C7D signifies a communication issue between vehicle control modules.
U0C7E
U0C7E indicates a communication error in the vehicle's control modules.
U0C7F
U0C7F indicates a communication fault between vehicle control modules.
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