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 3301-3400 of 4097 total codes
U0XXX Network Communication Systems
U0CE4
U0CE4 signifies a communication error between control modules in your vehicle.
U0CE5
U0CE5 indicates a communication issue between vehicle modules.
U0CE6
DTC U0CE6 indicates a communication problem between the body control module a...
U0CE7
U0CE7 indicates a communication error within the vehicle's network.
U0CE8
U0CE8 indicates a communication issue between vehicle modules,
U0CE9
U0CE9 indicates a vehicle communication bus malfunction.
U0CEA
U0CEA indicates a communication error between vehicle control modules.
U0CEB
U0CEB indicates a communication error in the vehicle's CAN bus system.
U0CEC
U0CEC indicates a communication issue in your vehicle's electronic network.
U0CED
U0CED indicates a communication error between vehicle modules,
U0CEE
U0CEE indicates a communication error within the vehicle's control modules.
U0CEF
U0CEF indicates a communication issue between vehicle modules,
U0CF0
DTC U0CF0 is a manufacturer-specific trouble code that indicates a communicat...
U0CF1
U0CF1 indicates a communication issue between vehicle control modules.
U0CF2
U0CF2 indicates a communication error within the vehicle's control modules.
U0CF3
U0CF3 indicates a communication failure between vehicle control modules.
U0CF4
U0CF4 indicates a communication issue between your car's modules.
U0CF5
U0CF5 indicates a communication issue within the vehicle's electronic systems...
U0CF6
DTC U0CF6 refers to a communication issue between control modules in your veh...
U0CF7
U0CF7 indicates a communication issue between vehicle control modules,
U0CF8
The U0CF8 code indicates a communication error in the vehicle's CAN bus system.
U0CF9
U0CF9 indicates a communication fault in the vehicle's data bus,
U0CFA
U0CFA indicates a communication failure between vehicle control modules.
U0CFB
U0CFB indicates a communication error in the vehicle's control modules.
U0CFC
U0CFC indicates a communication error between vehicle control modules.
U0CFD
U0CFD indicates a communication error in the vehicle's control modules.
U0CFE
U0CFE indicates a communication failure among vehicle ECUs.
U0CFF
U0CFF indicates a communication failure within the vehicle's network,
U0D00
U0D00 indicates a communication failure between vehicle control modules.
U0D01
U0D01 indicates a communication failure between vehicle modules.
U0D02
U0D02 indicates a communication failure between vehicle modules.
U0D03
U0D03 indicates a communication failure between vehicle network modules.
U0D04
U0D04 refers to a communication error between vehicle modules.
U0D05
U0D05 indicates a communication failure between the powertrain control module...
U0D06
U0D06 indicates a communication issue between the vehicle's control modules.
U0D07
U0D07 indicates a network communication error in the vehicle's electronic sys...
U0D08
U0D08 indicates a communication error between vehicle control modules.
U0D09
U0D09 refers to a communication error in the Electric Power Steering system.
U0D0A
U0D0A indicates a communication issue within the vehicle's control modules.
U0D0B
Indicates a communication issue within the vehicle's network, typically relat...
U0D0C
The U0D0C code signifies a communication error between vehicle control modules.
U0D0D
U0D0D indicates a communication error between control modules.
U0D0E
U0D0E indicates a communication error between vehicle modules.
U0D0F
U0D0F signifies a communication network malfunction between vehicle control m...
U0D10
U0D10 indicates a communication failure between vehicle control modules.
U0D11
U0D11 indicates a communication error in the vehicle's network system,
U0D12
U0D12 indicates a communication error within the vehicle's data bus.
U0D13
U0D13 indicates a communication failure between vehicle control modules.
U0D14
U0D14 indicates a communication failure among the control modules in your veh...
U0D15
DTC U0D15 indicates a communication error between the ECM and TCM,
U0D16
DTC U0D16 indicates a communication error between vehicle control modules,
U0D17
U0D17 indicates a communication error between vehicle modules.
U0D18
U0D18 indicates a communication malfunction between vehicle control modules.
U0D19
U0D19 indicates a communication issue within your vehicle's network,
U0D1A
The U0D1A code indicates a communication error in the vehicle's network.
U0D1B
DTC U0D1B indicates a communication issue between vehicle control modules.
U0D1C
U0D1C indicates a communication error in the vehicle's control modules.
U0D1D
U0D1D indicates a communication issue between vehicle modules.
U0D1E
U0D1E indicates a communication error in the vehicle's electronic control mod...
U0D1F
U0D1F indicates a communication error between vehicle control modules.
U0D20
U0D20 indicates a communication error between control modules in your vehicle.
U0D21
U0D21 indicates a communication error between vehicle control modules.
U0D22
U0D22 indicates a communication issue between vehicle control modules.
U0D23
U0D23 indicates a communication error among vehicle modules.
U0D24
U0D24 indicates a communication issue within the vehicle’s control modules.
U0D25
U0D25 indicates a communication failure between vehicle modules.
U0D26
DTC U0D26 signifies a communication fault between control modules.
U0D27
DTC U0D27 indicates a communication error between control modules.
U0D28
DTC U0D28 indicates a communication failure in the vehicle's data network.
U0D29
U0D29 indicates a communication error between control modules in your vehicle.
U0D2A
U0D2A indicates a communication failure between the engine control module and...
U0D2B
The U0D2B code signifies a communication error between control modules in you...
U0D2C
U0D2C signifies a loss of communication between vehicle control modules.
U0D2D
U0D2D signifies a communication error among vehicle modules.
U0D2E
U0D2E indicates a communication failure between vehicle modules.
U0D2F
U0D2F indicates a communication error between control modules in your vehicle.
U0D30
U0D30 indicates a communication fault in the vehicle's network,
U0D31
U0D31 indicates a communication failure between vehicle modules.
U0D32
U0D32 indicates a communication error between vehicle control modules,
U0D33
U0D33 indicates a communication error between vehicle control modules.
U0D34
U0D34 indicates a communication failure with the Body Control Module.
U0D35
U0D35 indicates a communication error between vehicle control modules.
U0D36
U0D36 indicates a communication fault within the vehicle's control systems.
U0D37
U0D37 indicates a communication problem within the vehicle's Body Control Mod...
U0D38
U0D38 signifies a communication issue within the vehicle's network of control...
U0D39
U0D39 indicates a communication error in the electric power steering system.
U0D3A
U0D3A indicates a vehicle communication network issue.
U0D3B
U0D3B indicates a communication error between vehicle modules.
U0D3C
U0D3C indicates a communication failure in the vehicle's control modules.
U0D3D
U0D3D signifies a communication issue among vehicle control modules.
U0D3E
U0D3E indicates a communication failure between vehicle modules.
U0D3F
The U0D3F code indicates a communication error within the vehicle's body cont...
U0D40
U0D40 indicates a communication fault within the vehicle's advanced systems.
U0D41
U0D41 indicates a communication issue between vehicle control modules.
U0D42
U0D42 indicates a communication error between vehicle control modules.
U0D43
The U0D43 code signifies a communication error between vehicle control module...
U0D44
DTC U0D44 indicates a communication malfunction between vehicle modules.
U0D45
U0D45 indicates a communication failure between vehicle control modules.
U0D46
U0D46 indicates a communication issue within the vehicle's control modules.
U0D47
U0D47 means there is a communication issue between vehicle components.
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