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 7601-7700 of 8192 total codes
U1XXX Network Communication Systems
U1DB0
U1DB0 indicates a communication issue within the vehicle's network,
U1DB1
U1DB1 signifies a communication issue in the vehicle's control modules.
U1DB2
U1DB2 indicates a communication error within your vehicle's control modules.
U1DB3
U1DB3 signifies a communication failure between vehicle control modules,
U1DB4
DTC U1DB4 is a manufacturer-specific diagnostic trouble code that primarily i...
U1DB5
U1DB5 indicates a communication error between vehicle control modules.
U1DB6
U1DB6 indicates a communication issue between vehicle control modules.
U1DB7
U1DB7 indicates a communication problem within the vehicle's battery manageme...
U1DB8
U1DB8 indicates a communication failure between vehicle control modules.
U1DB9
The U1DB9 code indicates a communication fault between control modules,
U1DBA
U1DBA indicates a communication error between vehicle control modules.
U1DBB
U1DBB indicates a communication issue among control modules in your vehicle.
U1DBC
U1DBC indicates a communication malfunction between vehicle control modules.
U1DBD
U1DBD indicates a communication issue with the Electric Power Steering system.
U1DBE
The U1DBE code indicates a communication issue between vehicle control modules.
U1DBF
U1DBF indicates a communication issue among control modules in your vehicle.
U1DC0
The U1DC0 diagnostic trouble code indicates a communication issue within the ...
U1DC1
U1DC1 indicates a communication failure in the vehicle's driver assistance sy...
U1DC2
U1DC2 indicates a communication failure between vehicle control modules.
U1DC3
U1DC3 indicates a communication issue between control modules in your vehicle.
U1DC4
U1DC4 indicates a communication failure between vehicle control modules.
U1DC5
U1DC5 indicates a communication fault in the vehicle's camera or radar system.
U1DC6
Indicates there is a malfunction or interruption in the data communication pr...
U1DC7
U1DC7 indicates a communication error in the vehicle's control modules.
U1DC8
U1DC8 indicates a communication fault in the vehicle's network,
U1DC9
U1DC9 indicates a communication error in the electric parking brake system.
U1DCA
The U1DCA code signifies a communication failure between control modules in y...
U1DCB
U1DCB indicates a communication issue within the vehicle's control modules.
U1DCC
U1DCC indicates a communication error between the Body Control Module and oth...
U1DCD
U1DCD indicates a communication error between vehicle control modules.
U1DCE
U1DCE indicates a communication error within the vehicle's CAN bus system.
U1DCF
U1DCF indicates a communication problem within the vehicle's control units,
U1DD0
U1DD0 signifies communication issues between various vehicle control modules.
U1DD1
U1DD1 indicates a communication fault between the Body Control Module and oth...
U1DD2
U1DD2 signifies a communication error within the vehicle's electronic systems...
U1DD3
U1DD3 indicates a communication issue between ECUs in the vehicle.
U1DD4
U1DD4 indicates a communication failure between vehicle modules.
U1DD5
U1DD5 indicates a communication issue in the vehicle's electronic systems.
U1DD6
U1DD6 indicates a communication issue between control modules in your vehicle.
U1DD7
U1DD7 indicates a network communication issue between vehicle control modules.
U1DD8
U1DD8 is a communication error code indicating a failure in data transfer bet...
U1DD9
U1DD9 signifies a communication fault within the vehicle's control modules.
U1DDA
U1DDA signifies a communication error between vehicle control modules.
U1DDB
U1DDB indicates a communication failure between vehicle systems,
U1DDC
The U1DDC code indicates a communication problem between vehicle control modu...
U1DDD
U1DDD indicates a communication error between vehicle control modules.
U1DDE
U1DDE indicates a communication loss with the steering angle sensor in vehicl...
U1DDF
U1DDF indicates a communication error within the vehicle's Integration Contro...
U1DE0
U1DE0 indicates a communication issue within the vehicle's network system.
U1DE1
U1DE1 signifies a communication breakdown in the vehicle's control modules.
U1DE2
U1DE2 indicates a communication error between the body control module and the...
U1DE3
U1DE3 indicates a communication issue between vehicle modules,
U1DE4
U1DE4 indicates a communication fault within the battery management system.
U1DE5
The U1DE5 code indicates a communication error in the vehicle's internal netw...
U1DE6
U1DE6 signifies a communication error with the body control module.
U1DE7
DTC U1DE7 indicates a communication error within the vehicle's network,
U1DE8
U1DE8 indicates a fault in the communication network between the vehicle's el...
U1DE9
U1DE9 indicates a communication failure between vehicle control modules,
U1DEA
U1DEA indicates a communication issue between vehicle modules.
U1DEB
U1DEB indicates a communication fault between vehicle control modules.
U1DEC
U1DEC indicates a communication error between vehicle control modules,
U1DED
The U1DED code indicates a communication failure between the body control mod...
U1DEE
The U1DEE diagnostic trouble code is a manufacturer-specific code that usuall...
U1DEF
U1DEF indicates a communication error between vehicle modules.
U1DF0
U1DF0 indicates a communication failure between control modules in your vehicle.
U1DF1
U1DF1 indicates a communication error between vehicle modules.
U1DF2
U1DF2 indicates a communication issue between control modules in your vehicle.
U1DF3
U1DF3 signifies a communication error between vehicle modules.
U1DF4
U1DF4 indicates a communication error within the vehicle's network,
U1DF5
U1DF5 indicates a communication error between vehicle control modules.
U1DF6
DTC U1DF6 indicates a communication error between vehicle control modules.
U1DF7
U1DF7 indicates a communication error between vehicle control modules.
U1DF8
U1DF8 indicates a communication failure within the vehicle's Body Control Mod...
U1DF9
U1DF9 signifies a communication fault in your vehicle's data bus system.
U1DFA
Indicates a problem with the vehicle's network, specifically associated with ...
U1DFB
U1DFB indicates a communication error within vehicle systems, particularly ADAS.
U1DFC
U1DFC indicates a communication issue with the Integrated Control Panel.
U1DFD
U1DFD indicates a communication failure between vehicle control modules.
U1DFE
U1DFE indicates a communication problem between vehicle control modules.
U1DFF
U1DFF indicates a communication error between control modules,
U1E00
U1E00 indicates a communication issue within your vehicle's control modules.
U1E01
U1E01 signifies a communication failure between vehicle control modules.
U1E02
U1E02 indicates a communication fault within the vehicle’s electronic control...
U1E03
U1E03 indicates a communication error between vehicle control modules.
U1E04
U1E04 indicates a communication error in the vehicle's electronic systems.
U1E05
U1E05 indicates a communication error between modules in your vehicle.
U1E06
U1E06 indicates a communication fault in the vehicle's electronic systems,
U1E07
The U1E07 code signifies a communication error between vehicle control modules.
U1E08
U1E08 indicates a communication issue between vehicle modules.
U1E09
The U1E09 code indicates a communication error between control modules in you...
U1E0A
DTC U1E0A refers to a communication issue between control modules in your veh...
U1E0B
U1E0B indicates a communication error between control modules in your vehicle.
U1E0C
U1E0C indicates a communication error within the vehicle's network,
U1E0D
U1E0D indicates a communication failure in the electric power steering system.
U1E0E
U1E0E indicates a communication error within the vehicle's ADAS modules.
U1E0F
U1E0F indicates a communication problem between vehicle modules.
U1E10
U1E10 indicates a communication issue between vehicle control modules.
U1E11
U1E11 indicates a communication error between vehicle control modules.
U1E12
U1E12 indicates a communication failure in the vehicle's control modules,
U1E13
U1E13 indicates a communication issue within the vehicle's Advanced Driver As...
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