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 2601-2700 of 4097 total codes
U0XXX Network Communication Systems
U0A28
DTC U0A28 means there's a communication issue between the battery energy cont...
U0A29
U0A29 indicates a communication issue with the Battery Energy Control Module ...
U0A2A
U0A2A indicates a communication fault between the Body Control Module and the...
U0A2B
U0A2B indicates a communication problem with the battery management system.
U0A2C
U0A2C indicates a communication issue within the vehicle's CAN network.
U0A2D
Indicates there's a fault in the CAN (Controller Area Network) bus communicat...
U0A2E
U0A2E indicates a communication issue between vehicle control modules.
U0A2F
U0A2F indicates a communication error within the vehicle's network,
U0A30
U0A30 indicates a communication issue between vehicle control modules.
U0A31
DTC U0A31 indicates a fault in the communication between the Battery Energy C...
U0A32
The U0A32 code signifies a communication failure within your vehicle’s electr...
U0A33
DTC U0A33 indicates a communication error in the vehicle's network,
U0A34
U0A34 indicates a fault in the Battery Management System communication.
U0A35
U0A35 signifies a communication fault in the vehicle's control network.
U0A36
U0A36 indicates a communication error between the hybrid battery and the vehi...
U0A37
The U0A37 code indicates a communication issue with the battery energy contro...
U0A38
U0A38 indicates a communication issue within the vehicle's network,
U0A39
U0A39 indicates a communication failure between the central gateway module an...
U0A3A
The U0A3A code indicates a communication issue within the vehicle's hybrid or...
U0A3B
U0A3B indicates a communication issue between vehicle control modules.
U0A3C
U0A3C indicates a communication issue with the battery management system.
U0A3D
U0A3D indicates a communication issue within the vehicle's control modules.
U0A3E
U0A3E indicates a loss of communication with the Battery Energy Control Modul...
U0A3F
U0A3F indicates a communication issue within the vehicle's control modules.
U0A40
U0A40 signifies a communication error between vehicle control modules.
U0A41
U0A41 indicates a communication failure between vehicle control modules.
U0A42
U0A42 refers to a communication issue in the electric drive control module.
U0A43
U0A43 indicates a communication error in the electric vehicle control system.
U0A44
U0A44 indicates a communication error in the vehicle's module network.
U0A45
DTC U0A45 means there's a communication loss between the Hybrid Powertrain Co...
U0A46
U0A46 indicates a communication error between the power steering control modu...
U0A47
U0A47 indicates a communication issue between vehicle modules.
U0A48
U0A48 signifies a communication error between vehicle modules.
U0A49
U0A49 indicates a communication error in your vehicle's electric systems,
U0A4A
U0A4A indicates a communication issue between vehicle control modules.
U0A4B
U0A4B indicates a communication fault between vehicle modules.
U0A4C
U0A4C indicates a communication fault in the vehicle's data bus network.
U0A4D
The U0A4D code indicates a communication fault in the vehicle's battery manag...
U0A4E
The Diagnostic Trouble Code (DTC) U0A4E signifies a communication issue betwe...
U0A4F
U0A4F indicates a communication fault in the vehicle’s battery management sys...
U0A50
U0A50 indicates a communication failure with the Hybrid Control Module.
U0A51
DTC U0A51 indicates a communication error between vehicle control modules.
U0A52
U0A52 indicates a communication failure between vehicle control modules.
U0A53
U0A53 indicates a communication fault in the vehicle's network,
U0A54
U0A54 indicates a communication issue between vehicle modules,
U0A55
U0A55 indicates a communication error with the Battery Energy Control Module.
U0A56
U0A56 indicates a communication error within the vehicle's network system.
U0A57
U0A57 indicates a communication error between vehicle control modules.
U0A58
U0A58 indicates a communication error between vehicle modules.
U0A59
U0A59 means there's a communication issue with a vehicle control module.
U0A5A
DTC U0A5A indicates a communication issue with the Body Control Module (BCM).
U0A5B
DTC U0A5B indicates a communication error in the battery management system of...
U0A5C
U0A5C indicates a communication fault within the vehicle's bus system.
U0A5D
U0A5D indicates a communication problem in the vehicle's network.
U0A5E
U0A5E indicates a communication error between vehicle control modules.
U0A5F
U0A5F signifies a communication fault between control modules in your vehicle.
U0A60
DTC U0A60 signifies a communication problem between vehicle control modules.
U0A61
U0A61 indicates a communication fault in the vehicle's Body Control Module.
U0A62
U0A62 indicates a communication problem within the vehicle's network,
U0A63
U0A63 indicates a communication error with the Battery Energy Control Module.
U0A64
U0A64 signifies a communication failure between vehicle control modules.
U0A65
DTC U0A65 indicates a communication issue between the powertrain control modu...
U0A66
U0A66 is a communication bus error indicating a problem with data exchange be...
U0A67
U0A67 indicates a communication fault between the Battery Energy Control Modu...
U0A68
U0A68 signifies a communication bus fault within your vehicle's network,
U0A69
U0A69 indicates a communication error between vehicle modules.
U0A6A
U0A6A indicates a communication failure with the Battery Energy Control Module.
U0A6B
U0A6B indicates a communication issue between the battery management system a...
U0A6C
The U0A6C code indicates an unrecognized data message in your vehicle's commu...
U0A6D
Indicates there is a problem with the communication between various electroni...
U0A6E
U0A6E indicates a communication error between control modules in your vehicle.
U0A6F
U0A6F refers to a communication error between vehicle modules,
U0A70
U0A70 indicates a communication failure in the vehicle's power management sys...
U0A71
U0A71 indicates a communication error between the PCM and BCM in your vehicle.
U0A72
U0A72 indicates a communication failure between vehicle control modules,
U0A73
U0A73 indicates a communication failure with the Battery Energy Control Module.
U0A74
U0A74 indicates a communication error within the vehicle's network,
U0A75
DTC U0A75 indicates a communication problem between control modules in the ve...
U0A76
The U0A76 code indicates a communication issue between control modules in the...
U0A77
U0A77 indicates a communication bus off issue, disrupting data flow between v...
U0A78
U0A78 indicates a communication issue within the battery management system.
U0A79
DTC U0A79 indicates a communication error within the vehicle's control modules.
U0A7A
The U0A7A code indicates a communication fault between vehicle control modules.
U0A7B
U0A7B indicates a communication fault in the vehicle's bus system,
U0A7C
U0A7C indicates a communication error within the vehicle's ADAS network.
U0A7D
U0A7D indicates a communication error between vehicle control modules.
U0A7E
The U0A7E code indicates a communication failure within the CAN bus system of...
U0A7F
U0A7F indicates a communication error between vehicle modules.
U0A80
The U0A80 code indicates a loss of communication with the Battery Energy Cont...
U0A81
U0A81 indicates a communication fault in the vehicle's body control module.
U0A82
U0A82 signifies a communication failure within the vehicle's network,
U0A83
U0A83 indicates a communication error between vehicle modules.
U0A84
U0A84 indicates a communication error between vehicle modules.
U0A85
U0A85 means there's a communication failure in the vehicle's bus system.
U0A86
U0A86 indicates a communication issue within the vehicle's network,
U0A87
U0A87 indicates a communication failure between vehicle control modules.
U0A88
U0A88 indicates a communication issue with the battery management system.
U0A89
U0A89 indicates a communication breakdown between vehicle control modules.
U0A8A
DTC U0A8A signifies a communication failure with the Battery Energy Control M...
U0A8B
DTC U0A8B indicates a communication failure between control modules,
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