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 7701-7800 of 8192 total codes
U1XXX Network Communication Systems
U1E14
The U1E14 code indicates a communication error between vehicle control modules.
U1E15
U1E15 indicates a communication error in the vehicle's body control module.
U1E16
U1E16 indicates a communication issue within the vehicle's network,
U1E17
U1E17 indicates a communication error between vehicle systems,
U1E18
U1E18 refers to a communication error in the vehicle's network,
U1E19
The U1E19 code signifies a communication error between vehicle control module...
U1E1A
U1E1A indicates a communication failure in the vehicle's ADAS.
U1E1B
The U1E1B code indicates a communication issue between vehicle modules,
U1E1C
U1E1C indicates a communication error between vehicle control modules.
U1E1D
U1E1D signifies a communication failure in the vehicle's network,
U1E1E
U1E1E indicates a communication failure between the Body Control Module and o...
U1E1F
U1E1F indicates a communication error among vehicle control modules.
U1E20
U1E20 indicates a communication issue between vehicle modules.
U1E21
U1E21 indicates a communication error in the vehicle's electronic systems.
U1E22
U1E22 indicates a communication error in the vehicle's network.
U1E23
DTC U1E23 indicates a communication fault between vehicle control modules.
U1E24
U1E24 indicates a communication issue within the battery management system of...
U1E25
U1E25 indicates a network communication error between vehicle modules.
U1E26
DTC U1E26 indicates a communication error between vehicle control modules.
U1E27
U1E27 indicates a communication error between vehicle control modules.
U1E28
U1E28 signifies a communication error within your vehicle's electronic systems.
U1E29
U1E29 indicates a communication error between control modules in your vehicle.
U1E2A
U1E2A indicates a network communication error between vehicle control modules.
U1E2B
U1E2B indicates a communication issue within the vehicle's internal network,
U1E2C
U1E2C means there's a communication issue within your vehicle's electronic sy...
U1E2D
U1E2D signifies a communication fault in the steering control system of your ...
U1E2E
U1E2E indicates a communication fault in the vehicle's CAN bus system.
U1E2F
U1E2F indicates a communication issue in your vehicle's network,
U1E30
DTC U1E30 indicates a communication error between control modules in your veh...
U1E31
U1E31 indicates a communication issue in the vehicle's telematics system.
U1E32
U1E32 indicates a communication issue between control modules in your vehicle.
U1E33
U1E33 indicates a communication error between vehicle control modules.
U1E34
U1E34 indicates a communication issue between vehicle control modules.
U1E35
U1E35 indicates a communication fault between modules in your vehicle.
U1E36
U1E36 indicates a communication issue between electronic control units in you...
U1E37
U1E37 indicates a communication failure between vehicle control modules.
U1E38
U1E38 indicates a communication failure in the vehicle's electronic control m...
U1E39
U1E39 indicates a communication issue within the vehicle's modules.
U1E3A
The U1E3A code signals a communication issue in the Body Control Module of ce...
U1E3B
U1E3B indicates a communication issue in the vehicle's network,
U1E3C
DTC U1E3C indicates a communication issue within the vehicle's electronic con...
U1E3D
DTC U1E3D indicates a communication failure within the vehicle's electronic c...
U1E3E
U1E3E indicates a communication problem within your vehicle's electronic syst...
U1E3F
U1E3F indicates a communication issue within the vehicle’s body control modul...
U1E40
U1E40 indicates a communication error among the vehicle's control modules.
U1E41
U1E41 indicates a communication issue within your vehicle's network,
U1E42
U1E42 indicates a communication problem within the vehicle's network.
U1E43
U1E43 indicates a communication error within the vehicle's electronic systems.
U1E44
DTC U1E44 signifies a communication error in the vehicle's electronic systems.
U1E45
U1E45 indicates a communication failure in the vehicle's control area network.
U1E46
DTC U1E46 indicates a communication error between vehicle control modules.
U1E47
U1E47 indicates a communication issue among vehicle control modules.
U1E48
U1E48 indicates a communication fault within the vehicle's ADAS network.
U1E49
U1E49 indicates a communication error between vehicle control modules.
U1E4A
The U1E4A code signifies a communication issue between vehicle modules,
U1E4B
U1E4B indicates a communication fault within the vehicle's network.
U1E4C
U1E4C indicates a communication fault within vehicle modules, affecting perfo...
U1E4D
U1E4D indicates a communication issue within the vehicle's electronic control...
U1E4E
DTC U1E4E indicates a communication failure within the vehicle's Body Control...
U1E4F
U1E4F indicates a communication error with the Body Control Module.
U1E50
U1E50 indicates a communication error between control modules.
U1E51
U1E51 signifies a communication error between vehicle control modules.
U1E52
U1E52 indicates a hybrid battery communication error, affecting performance.
U1E53
U1E53 denotes a communication failure between vehicle control modules.
U1E54
U1E54 indicates a communication problem between vehicle control modules.
U1E55
U1E55 indicates a communication error between vehicle modules.
U1E56
U1E56 indicates a communication issue between control modules,
U1E57
U1E57 indicates an Automatic Emergency Braking (AEB) system malfunction.
U1E58
U1E58 indicates a communication failure within the vehicle's data bus network.
U1E59
DTC U1E59 signifies a communication error in the vehicle's control modules.
U1E5A
DTC U1E5A indicates a communication failure between vehicle control modules.
U1E5B
U1E5B indicates a communication failure between vehicle control modules.
U1E5C
U1E5C indicates a communication failure between electronic control units.
U1E5D
U1E5D indicates a communication error in the vehicle’s Low Speed CAN network.
U1E5E
U1E5E indicates a communication error between vehicle control modules.
U1E5F
U1E5F indicates a communication issue between vehicle systems.
U1E60
U1E60 signifies a communication failure within the vehicle's network,
U1E61
U1E61 indicates a communication problem between vehicle control modules.
U1E62
U1E62 indicates a communication issue within the vehicle's advanced driver-as...
U1E63
U1E63 signifies a communication fault in the vehicle’s control modules.
U1E64
DTC U1E64 indicates a communication error between the powertrain control modu...
U1E65
U1E65 signifies a communication error within your vehicle's network,
U1E66
U1E66 indicates a communication malfunction between control modules in your v...
U1E67
U1E67 indicates a malfunction in the Advanced Driver Assistance System,
U1E68
DTC U1E68 indicates a communication fault between vehicle control modules.
U1E69
U1E69 indicates a communication fault in the vehicle's body control module,
U1E6A
U1E6A indicates a communication problem in the vehicle's electronic control m...
U1E6B
U1E6B indicates a communication fault within the vehicle's communication bus.
U1E6C
DTC U1E6C indicates a communication issue with the telematics control unit.
U1E6D
U1E6D indicates a communication error within the vehicle's network,
U1E6E
U1E6E indicates a communication issue with the Body Control Module.
U1E6F
U1E6F signifies a communication fault in the vehicle's control modules,
U1E70
U1E70 indicates a communication error in the vehicle's control modules,
U1E71
U1E71 indicates a communication error between control modules,
U1E72
U1E72 indicates a communication issue within your vehicle's network,
U1E73
DTC U1E73 indicates a communication issue within the vehicle's network.
U1E74
U1E74 indicates a communication fault in the vehicle’s CAN bus,
U1E75
U1E75 indicates a communication issue between vehicle control modules.
U1E76
DTC U1E76 signifies a failure in communication between vehicle modules.
U1E77
U1E77 indicates a high voltage power supply fault in hybrid vehicles.
Page 78 of 82