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 3501-3600 of 4097 total codes
U0XXX Network Communication Systems
U0DAC
U0DAC indicates a communication issue within the vehicle’s data network.
U0DAD
DTC U0DAD indicates a communication fault within the vehicle's control modules.
U0DAE
U0DAE indicates a communication error in the vehicle's control modules.
U0DAF
U0DAF indicates a communication failure in the vehicle's electrical system.
U0DB0
U0DB0 indicates a communication issue between vehicle control modules.
U0DB1
U0DB1 indicates a communication issue within the vehicle's control modules.
U0DB2
DTC U0DB2 indicates a communication problem within the vehicle's control modu...
U0DB3
U0DB3 indicates a communication error within the vehicle control modules.
U0DB4
U0DB4 indicates a communication error in the vehicle's network,
U0DB5
U0DB5 indicates a communication issue within the vehicle's control systems.
U0DB6
U0DB6 is a communication error code indicating issues with the vehicle's elec...
U0DB7
U0DB7 indicates a communication error between vehicle control modules.
U0DB8
DTC U0DB8 indicates a communication issue between vehicle modules,
U0DB9
U0DB9 indicates a communication error within the vehicle's network,
U0DBA
U0DBA signifies a communication error between vehicle control modules,
U0DBB
U0DBB indicates a communication issue within the vehicle's central gateway mo...
U0DBC
Indicates a communication issue within the vehicle's data bus system.
U0DBD
U0DBD indicates a communication failure between vehicle modules.
U0DBE
U0DBE indicates a communication error between vehicle control modules.
U0DBF
U0DBF indicates a communication failure within the vehicle's control modules.
U0DC0
U0DC0 indicates a communication issue between control modules in your vehicle.
U0DC1
U0DC1 signifies a communication error in the vehicle's network,
U0DC2
U0DC2 indicates a communication error between vehicle control modules,
U0DC3
U0DC3 indicates a communication issue between control modules in your vehicle.
U0DC4
U0DC4 signifies a communication issue within the vehicle's CAN bus network.
U0DC5
DTC U0DC5 indicates a communication issue within the steering system's contro...
U0DC6
U0DC6 indicates a communication issue between vehicle modules.
U0DC7
U0DC7 indicates a communication issue within the vehicle's network,
U0DC8
U0DC8 indicates a communication issue between control modules in your vehicle.
U0DC9
U0DC9 indicates a communication problem with the Body Control Module (BCM).
U0DCA
DTC U0DCA indicates a communication error within the vehicle's body control m...
U0DCB
U0DCB indicates a communication error between control modules in your vehicle.
U0DCC
U0DCC signifies a communication fault in the vehicle's CAN bus system.
U0DCD
DTC U0DCD indicates a communication issue between vehicle control modules.
U0DCE
The U0DCE code indicates a communication issue between vehicle control modules.
U0DCF
U0DCF indicates a communication error between vehicle modules.
U0DD0
U0DD0 indicates a communication error between vehicle control modules.
U0DD1
U0DD1 indicates a communication failure between control modules in your vehic...
U0DD2
U0DD2 indicates a communication error within the vehicle's network,
U0DD3
U0DD3 indicates a communication error between vehicle ECUs.
U0DD4
U0DD4 indicates a communication failure with the vehicle's control module,
U0DD5
U0DD5 signifies a communication error within the vehicle's control modules,
U0DD6
U0DD6 indicates a communication issue between vehicle control modules.
U0DD7
U0DD7 indicates a communication error between vehicle control modules.
U0DD8
U0DD8 indicates a communication issue between vehicle control modules.
U0DD9
U0DD9 indicates a communication error between vehicle control modules,
U0DDA
U0DDA indicates a communication issue with the vehicle's diagnostic modules.
U0DDB
U0DDB indicates a communication issue within your vehicle's data network,
U0DDC
U0DDC signifies a communication error between control modules in your vehicle...
U0DDD
U0DDD indicates a communication error in the vehicle's control modules,
U0DDE
U0DDE indicates a communication error between vehicle control modules.
U0DDF
U0DDF indicates a communication failure within the vehicle's network,
U0DE0
U0DE0 is a communication error code indicating a failure in the vehicle's con...
U0DE1
U0DE1 indicates a communication issue related to the vehicle speed signal.
U0DE2
U0DE2 indicates a communication issue between vehicle control units.
U0DE3
U0DE3 indicates a communication issue between control modules in your vehicle.
U0DE4
U0DE4 indicates a communication failure between control modules in your vehic...
U0DE5
U0DE5 indicates a communication error in the vehicle's ADAS network.
U0DE6
DTC U0DE6 indicates a communication error between the vehicle's electronic co...
U0DE7
U0DE7 indicates a communication bus malfunction, typically in Ford and Lincol...
U0DE8
U0DE8 indicates a communication issue between control modules in your vehicle...
U0DE9
U0DE9 refers to a communication failure between control units in your vehicle.
U0DEA
Indicates n OBD2 diagnostic trouble code that relates to issues with communic...
U0DEB
DTC U0DEB refers to a communication issue between control modules in your veh...
U0DEC
U0DEC indicates a communication error in the vehicle's control systems,
U0DED
DTC U0DED signifies a communication error between the vehicle's control modules.
U0DEE
U0DEE indicates a communication failure with the steering control module.
U0DEF
U0DEF indicates a communication error between vehicle control modules.
U0DF0
U0DF0 indicates a communication failure between vehicle control modules.
U0DF1
U0DF1 indicates a communication error between vehicle modules.
U0DF2
U0DF2 indicates a communication error between vehicle control modules.
U0DF3
U0DF3 indicates a communication error between vehicle modules.
U0DF4
U0DF4 indicates a communication error between control modules in your vehicle.
U0DF5
U0DF5 indicates a communication failure between vehicle control modules.
U0DF6
U0DF6 indicates a communication error between vehicle control modules.
U0DF7
U0DF7 signifies a communication failure between vehicle modules.
U0DF8
U0DF8 signifies a communication error between control modules in your vehicle.
U0DF9
U0DF9 indicates a communication malfunction between vehicle modules.
U0DFA
U0DFA indicates a communication failure between vehicle control modules.
U0DFB
U0DFB indicates a communication error within the vehicle's electronic systems.
U0DFC
The U0DFC code indicates a communication error in the vehicle's electronic co...
U0DFD
U0DFD indicates a communication error between vehicle control modules.
U0DFE
The U0DFE code indicates a communication issue in your vehicle's electronic s...
U0DFF
U0DFF indicates a communication failure among vehicle control modules.
U0E00
U0E00 indicates a communication failure between control modules in your vehicle.
U0E01
DTC U0E01 indicates a communication error between vehicle control modules.
U0E02
U0E02 indicates a communication fault within vehicle control modules,
U0E03
U0E03 indicates a communication error in the electric power steering system,
U0E04
U0E04 signifies a communication problem within the vehicle's control modules.
U0E05
U0E05 indicates a communication issue between vehicle control modules.
U0E06
U0E06 indicates a communication error between vehicle control modules.
U0E07
U0E07 indicates a communication issue between the body control module and oth...
U0E08
U0E08 indicates a communication error between vehicle control modules.
U0E09
U0E09 indicates a communication issue between electronic control units in the...
U0E0A
U0E0A indicates a communication error between vehicle control modules.
U0E0B
U0E0B indicates a communication error between vehicle control modules.
U0E0C
U0E0C indicates a communication failure between vehicle control modules.
U0E0D
U0E0D indicates a communication problem with the Body Control Module (BCM).
U0E0E
U0E0E signifies a communication failure between vehicle control modules.
U0E0F
U0E0F indicates a communication error between vehicle modules.
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