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

U0100

Lost Communication with ECM

Lost Communication with Engine Control Module

U0101

Lost Communication with TCM

Lost Communication with Transmission Control Module

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 3401-3500 of 4097 total codes

U0XXX Network Communication Systems

U0D48
U0D48 signifies a communication error between vehicle control modules.
U0D49
U0D49 indicates a communication error between vehicle modules.
U0D4A
U0D4A indicates a communication error between vehicle control modules.
U0D4B
DTC U0D4B indicates a communication error within the vehicle’s control modules.
U0D4C
U0D4C indicates a communication issue between vehicle modules,
U0D4D
U0D4D indicates a communication error within your vehicle's control modules.
U0D4E
U0D4E indicates a communication failure between vehicle control modules.
U0D4F
U0D4F indicates a communication error within the vehicle's electronic systems.
U0D50
U0D50 is a communication error code related to module connectivity issues.
U0D51
U0D51 indicates a communication issue within the vehicle's electronic control...
U0D52
DTC U0D52 indicates a communication failure between control modules.
U0D53
U0D53 indicates a communication issue between vehicle control modules.
U0D54
U0D54 indicates a communication error between vehicle control modules.
U0D55
U0D55 indicates a communication failure in the vehicle's network,
U0D56
DTC U0D56 signifies a communication fault between vehicle modules.
U0D57
DTC U0D57 indicates a communication failure between the Instrument Panel Clus...
U0D58
U0D58 represents a communication issue between vehicle modules,
U0D59
U0D59 indicates a communication fault in the vehicle's network,
U0D5A
The U0D5A code signifies a communication failure between control modules in y...
U0D5B
U0D5B indicates a communication error within the vehicle's control modules.
U0D5C
U0D5C indicates a communication link failure between vehicle modules.
U0D5D
DTC U0D5D signifies a communication failure between control modules in your v...
U0D5E
U0D5E indicates a communication failure within the vehicle's control modules.
U0D5F
The U0D5F code signifies a communication fault between vehicle control module...
U0D60
Indicates a communication issue between various modules in your vehicle's net...
U0D61
DTC U0D61 indicates a communication error between control modules in your veh...
U0D62
U0D62 indicates a communication error between control modules in the vehicle.
U0D63
U0D63 indicates a communication error between control modules in your vehicle.
U0D64
U0D64 indicates a communication failure between vehicle control modules.
U0D65
U0D65 indicates a communication error in the vehicle's control modules,
U0D66
U0D66 indicates a communication failure within the vehicle's control modules.
U0D67
U0D67 indicates a communication error between vehicle control modules.
U0D68
DTC code U0D68 is a generic OBD-II trouble code that indicates a communicatio...
U0D69
DTC U0D69 indicates a communication failure between vehicle control modules.
U0D6A
U0D6A indicates a communication problem within the vehicle's network,
U0D6B
U0D6B indicates a communication error between vehicle control modules.
U0D6C
U0D6C indicates a communication fault between vehicle modules.
U0D6D
DTC U0D6D indicates a communication issue between control modules in your veh...
U0D6E
The U0D6E code indicates a communication issue among vehicle control modules.
U0D6F
U0D6F signifies a communication error between vehicle ECUs.
U0D70
U0D70 indicates a communication failure in the EPS system.
U0D71
U0D71 indicates a communication error between vehicle modules.
U0D72
U0D72 indicates a communication error within the vehicle's control modules.
U0D73
U0D73 indicates a communication issue between vehicle control modules,
U0D74
DTC U0D74 indicates a communication failure with the Central Gateway Module.
U0D75
U0D75 indicates a communication error in the powertrain control module network.
U0D76
DTC U0D76 indicates a communication failure between the Body Control Module a...
U0D77
U0D77 indicates a communication failure with the Battery Energy Control Module.
U0D78
U0D78 indicates a network communication error between vehicle modules.
U0D79
U0D79 signifies a communication issue between vehicle modules,
U0D7A
DTC U0D7A indicates a communication error within the vehicle's electronic con...
U0D7B
The U0D7B code signifies a communication failure between vehicle control modu...
U0D7C
U0D7C indicates a communication error within the vehicle's control modules.
U0D7D
U0D7D indicates a communication error between vehicle modules,
U0D7E
U0D7E indicates a communication issue between vehicle modules.
U0D7F
Indicates malfunction in the way different electronic components of your vehi...
U0D80
The U0D80 code indicates a communication failure between vehicle control modu...
U0D81
U0D81 indicates a communication problem between vehicle control modules.
U0D82
DTC U0D82 signifies a communication error between the vehicle's control modules.
U0D83
U0D83 indicates a communication error between the body control module and oth...
U0D84
DTC U0D84 refers to a communication error between control modules in the vehi...
U0D85
U0D85 indicates a communication error between vehicle control modules.
U0D86
U0D86 signifies a communication error between vehicle modules.
U0D87
DTC U0D87 indicates a communication fault between vehicle control modules.
U0D88
U0D88 indicates a communication issue with the vehicle's electronic modules.
U0D89
U0D89 indicates a communication error between vehicle modules.
U0D8A
U0D8A indicates a communication error in the vehicle's network.
U0D8B
U0D8B indicates a communication error between vehicle control modules.
U0D8C
U0D8C signifies a communication error between vehicle control modules.
U0D8D
U0D8D indicates a communication error between vehicle modules.
U0D8E
U0D8E indicates a communication error within the vehicle's electronic systems.
U0D8F
U0D8F indicates a communication error between vehicle control modules.
U0D90
U0D90 indicates a communication error in the vehicle's control modules.
U0D91
U0D91 signifies a communication failure within the vehicle's electronic syste...
U0D92
U0D92 indicates a communication failure between vehicle control modules.
U0D93
U0D93 indicates a communication failure in the vehicle's body control module ...
U0D94
The U0D94 code indicates a communication failure between the PCM and BCM.
U0D95
DTC U0D95 indicates a communication fault in the vehicle's control modules.
U0D96
DTC U0D96 indicates a communication failure among vehicle control modules.
U0D97
DTC U0D97 indicates a communication failure between vehicle control modules.
U0D98
U0D98 indicates a communication issue among vehicle modules.
U0D99
U0D99 indicates a communication bus fault affecting vehicle electronic systems.
U0D9A
U0D9A indicates a communication error between vehicle control modules.
U0D9B
U0D9B indicates a communication issue with the Vehicle Control Module.
U0D9C
U0D9C indicates a communication failure between vehicle control modules.
U0D9D
U0D9D indicates a communication error within the vehicle's electronic control...
U0D9E
U0D9E signifies a communication error between vehicle control modules,
U0D9F
U0D9F indicates a communication failure between vehicle modules.
U0DA0
DTC U0DA0 indicates a communication failure between control modules in the ve...
U0DA1
U0DA1 indicates a communication error between vehicle control modules.
U0DA2
U0DA2 indicates a communication error between vehicle control modules.
U0DA3
U0DA3 indicates a communication error in the vehicle's battery management sys...
U0DA4
U0DA4 indicates a communication error between control modules in your vehicle.
U0DA5
U0DA5 signifies a communication error between the Body Control Module and oth...
U0DA6
U0DA6 indicates a communication issue between vehicle modules.
U0DA7
U0DA7 indicates a communication error between control modules in your vehicle...
U0DA8
DTC U0DA8 indicates a communication problem within the vehicle's network,
U0DA9
U0DA9 indicates a communication failure between vehicle control modules.
U0DAA
DTC U0DAA indicates a communication issue between the powertrain control modu...
U0DAB
U0DAB signifies a communication error between vehicle control modules,
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