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 7901-8000 of 8192 total codes
U1XXX Network Communication Systems
U1EDC
U1EDC indicates a communication issue within the vehicle's network.
U1EDD
U1EDD indicates a communication error between vehicle control modules.
U1EDE
The U1EDE code indicates a communication failure within the vehicle's electro...
U1EDF
DTC U1EDF signifies a communication error between vehicle control modules.
U1EE0
U1EE0 indicates a communication error between vehicle control modules.
U1EE1
U1EE1 indicates a communication error in the vehicle's control network.
U1EE2
U1EE2 indicates a communication issue in the vehicle's energy management system.
U1EE3
U1EE3 indicates a communication error between vehicle control modules.
U1EE4
U1EE4 indicates a communication issue within the vehicle's network,
U1EE5
U1EE5 indicates a communication error within the vehicle's electronic systems.
U1EE6
U1EE6 indicates a communication fault within the vehicle's control modules.
U1EE7
DTC U1EE7 indicates a communication failure in the vehicle's bus system.
U1EE8
DTC U1EE8 indicates a communication fault within the vehicle's electronic mod...
U1EE9
U1EE9 indicates a communication error between the battery control module and ...
U1EEA
U1EEA indicates a communication error among vehicle control modules.
U1EEB
The U1EEB code indicates a communication fault within the vehicle's electroni...
U1EEC
U1EEC indicates a communication issue within the vehicle's electronic control...
U1EED
The U1EED code indicates a communication fault between vehicle modules,
U1EEE
U1EEE signifies a communication issue within the vehicle's electronic control...
U1EEF
U1EEF indicates a communication error between vehicle modules,
U1EF0
U1EF0 indicates a communication error between control modules.
U1EF1
U1EF1 indicates a communication failure within the vehicle's ADAS network.
U1EF2
Indicates manufacturer-specific code related to communication issues within t...
U1EF3
U1EF3 indicates a communication error between vehicle control modules.
U1EF4
U1EF4 signifies a communication failure between the vehicle's control modules.
U1EF5
The U1EF5 code indicates a communication error between control modules in you...
U1EF6
DTC U1EF6 indicates a communication error within the vehicle's control modules.
U1EF7
U1EF7 indicates a communication error between vehicle control modules.
U1EF8
DTC U1EF8 indicates a communication issue within the vehicle's control modules.
U1EF9
U1EF9 indicates a communication issue within the vehicle's network of control...
U1EFA
U1EFA is a communication error code that affects the vehicle's control modules.
U1EFB
U1EFB indicates a communication issue between vehicle control modules.
U1EFC
DTC U1EFC signifies a communication error between vehicle control modules.
U1EFD
U1EFD indicates a communication failure in the vehicle's electronic control m...
U1EFE
DTC U1EFE indicates a communication issue between vehicle modules.
U1EFF
U1EFF indicates a communication problem between vehicle control units.
U1F00
U1F00 indicates a communication failure within the vehicle's control modules.
U1F01
U1F01 indicates a communication issue between vehicle control modules.
U1F02
U1F02 indicates a communication error between the Vehicle Control Module and ...
U1F03
The U1F03 code indicates a communication failure between the Body Control Mod...
U1F04
U1F04 indicates a communication error between vehicle modules,
U1F05
U1F05 denotes a communication error between vehicle control modules.
U1F06
U1F06 indicates a communication issue within the vehicle's control modules.
U1F07
U1F07 indicates a communication failure between control modules,
U1F08
U1F08 signifies a communication error in your vehicle's control modules.
U1F09
U1F09 indicates a communication error between vehicle modules.
U1F0A
U1F0A indicates a communication error among vehicle control modules.
U1F0B
U1F0B indicates a communication error between vehicle modules.
U1F0C
U1F0C signals a communication error between vehicle control modules.
U1F0D
U1F0D indicates a communication error between vehicle control modules.
U1F0E
U1F0E indicates a communication fault between vehicle control modules.
U1F0F
U1F0F indicates a communication error in the adaptive cruise control system.
U1F10
U1F10 indicates a communication bus fault affecting vehicle systems.
U1F11
U1F11 indicates a communication issue among vehicle control modules.
U1F12
U1F12 indicates a communication issue within the vehicle's control modules.
U1F13
U1F13 indicates a communication error between vehicle control modules.
U1F14
U1F14 indicates a communication failure between control modules in your vehicle.
U1F15
U1F15 indicates a communication failure between vehicle control modules.
U1F16
U1F16 indicates a communication error within the vehicle's network,
U1F17
U1F17 indicates a communication failure in the hybrid battery management system.
U1F18
The U1F18 code indicates a communication issue between the body control modul...
U1F19
U1F19 indicates a communication issue with the body control module (BCM).
U1F1A
U1F1A indicates a communication issue with the Battery Management System Cont...
U1F1B
The diagnostic trouble code (DTC) U1F1B signifies a communication issue withi...
U1F1C
U1F1C indicates a communication error in the vehicle's body control module.
U1F1D
U1F1D indicates a communication error within the vehicle's battery management...
U1F1E
U1F1E indicates a communication fault in the body control module,
U1F1F
U1F1F indicates a communication error within the vehicle's control modules.
U1F20
U1F20 indicates a communication issue between vehicle modules.
U1F21
U1F21 indicates a communication fault between control modules in your vehicle.
U1F22
DTC U1F22 indicates a communication fault in the vehicle's body control module.
U1F23
U1F23 indicates a communication error between vehicle control modules.
U1F24
U1F24 indicates a communication error in the vehicle's control modules,
U1F25
U1F25 indicates a communication malfunction in the vehicle's control network.
U1F26
DTC U1F26 indicates a communication issue between the Body Control Module and...
U1F27
U1F27 indicates a communication failure between vehicle control modules.
U1F28
U1F28 indicates a communication issue within the vehicle's network,
U1F29
U1F29 indicates a communication issue between vehicle control modules.
U1F2A
U1F2A indicates a communication error between vehicle control modules.
U1F2B
DTC U1F2B indicates a communication issue with the headlamp control module.
U1F2C
U1F2C indicates a communication failure within the vehicle's network,
U1F2D
U1F2D indicates a communication error between vehicle control modules.
U1F2E
U1F2E indicates a communication problem within the vehicle's electronic modules.
U1F2F
U1F2F indicates a communication failure between vehicle control modules,
U1F30
U1F30 signifies a communication line fault within the vehicle's network,
U1F31
U1F31 indicates a communication error in the vehicle's network,
U1F32
U1F32 signifies a communication error in the Electric Power Steering system.
U1F33
U1F33 indicates a communication problem within the vehicle's control modules.
U1F34
U1F34 indicates a communication issue between vehicle control modules.
U1F35
U1F35 indicates a communication error between vehicle control modules.
U1F36
U1F36 indicates a communication error between vehicle control modules.
U1F37
U1F37 indicates a communication error between the body control module and the...
U1F38
DTC U1F38 indicates a communication failure in the vehicle's Body Control Mod...
U1F39
U1F39 indicates a communication fault in vehicle control modules,
U1F3A
The U1F3A code signifies a communication error within the vehicle's CAN syste...
U1F3B
U1F3B indicates a network communication issue within the vehicle's control sy...
U1F3C
U1F3C indicates a communication error between vehicle control modules.
U1F3D
U1F3D indicates a communication issue with the Body Control Module.
U1F3E
U1F3E indicates a communication fault between multiple vehicle control modules.
U1F3F
U1F3F indicates a communication issue between electronic control modules in y...
Page 80 of 82