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 701-800 of 4097 total codes
U0XXX Network Communication Systems
U02BC
U02BC indicates a communication failure between control modules in your vehicle.
U02BD
U02BD indicates a communication issue between vehicle control modules.
U02BE
U02BE signifies a communication failure in the vehicle's communication bus A.
U02BF
DTC U02BF indicates a communication failure between multiple vehicle control ...
U02C0
U02C0 indicates a communication issue within the vehicle's control modules.
U02C1
U02C1 indicates a communication issue between vehicle control modules.
U02C2
U02C2 indicates a communication error between vehicle modules.
U02C3
U02C3 indicates a communication error between the vehicle's control modules.
U02C4
DTC U02C4 indicates a communication error between vehicle control modules.
U02C5
DTC U02C5 indicates a communication issue between vehicle control modules.
U02C6
U02C6 indicates a communication error between vehicle modules.
U02C7
The U02C7 code indicates a communication failure within the vehicle's control...
U02C8
U02C8 indicates a communication error between vehicle control modules,
U02C9
U02C9 indicates a lost communication issue within the vehicle's network.
U02CA
U02CA indicates a communication error within the vehicle's control modules.
U02CB
U02CB indicates a communication error between vehicle control modules.
U02CC
Indicates a communication issue between control modules in your vehicle.
U02CD
U02CD indicates a communication issue between vehicle control modules.
U02CE
U02CE indicates a communication failure in the vehicle's network,
U02CF
DTC U02CF indicates a communication failure between control modules,
U02D0
U02D0 indicates a communication issue between vehicle control modules.
U02D1
DTC U02D1 indicates a communication failure between vehicle control modules.
U02D2
U02D2 indicates a communication error between vehicle control modules.
U02D3
DTC U02D3 indicates a communication problem between control modules in your v...
U02D4
U02D4 indicates a communication error between vehicle control modules,
U02D5
U02D5 indicates a communication error between steering-related control modules.
U02D6
DTC U02D6 indicates a communication failure within the vehicle's control modu...
U02D7
U02D7 signifies a communication issue between vehicle control modules.
U02D8
U02D8 indicates a communication failure between vehicle control modules,
U02D9
U02D9 indicates a communication error between vehicle control modules.
U02DA
The U02DA code indicates a communication problem between vehicle modules,
U02DB
U02DB signifies a communication error between control modules.
U02DC
U02DC indicates a communication error among vehicle control modules.
U02DD
DTC U02DD indicates a communication failure between the body control module a...
U02DE
U02DE indicates a communication error between vehicle control modules.
U02DF
U02DF indicates a communication error within the vehicle's control modules.
U02E0
U02E0 indicates a communication error between vehicle control modules.
U02E1
U02E1 indicates a communication error between control modules in your vehicle.
U02E2
U02E2 denotes a communication fault between vehicle modules.
U02E3
U02E3 indicates a communication error between vehicle control modules.
U02E4
U02E4 indicates a communication failure between the Engine Control Module and...
U02E5
U02E5 indicates a communication failure between the PCM and other modules in ...
U02E6
U02E6 indicates a communication error between vehicle control modules.
U02E7
DTC U02E7 indicates a communication failure between control modules in the ve...
U02E8
U02E8 signifies a communication failure between the PCM and the instrument cl...
U02E9
U02E9 indicates a communication error between vehicle control modules.
U02EA
U02EA indicates a communication error in the vehicle's electronic system.
U02EB
U02EB refers to a communication error between vehicle control modules.
U02EC
U02EC indicates a communication issue among vehicle control modules.
U02ED
U02ED indicates a communication issue between control modules in your vehicle.
U02EE
DTC U02EE indicates a communication fault between vehicle control modules,
U02EF
U02EF indicates a communication failure between vehicle control modules,
U02F0
U02F0 indicates a communication failure between vehicle modules.
U02F1
U02F1 signifies a communication fault between vehicle control modules.
U02F2
DTC U02F2 indicates a communication error between vehicle control modules.
U02F3
U02F3 indicates a communication error between different vehicle control modules.
U02F4
U02F4 indicates a communication error between vehicle control modules.
U02F5
U02F5 indicates a communication malfunction between control modules in your v...
U02F6
DTC U02F6 indicates a communication issue between control modules in your veh...
U02F7
DTC U02F7 signifies a communication problem between vehicle control modules.
U02F8
U02F8 indicates a communication failure between vehicle control modules.
U02F9
DTC U02F9 indicates a communication issue within the vehicle's electronic con...
U02FA
U02FA means there's a communication error between control modules in your veh...
U02FB
U02FB indicates a communication failure between control modules in the vehicle.
U02FC
U02FC indicates a communication failure between vehicle control modules,
U02FD
U02FD indicates a communication failure between vehicle control modules.
U02FE
The U02FE diagnostic trouble code (DTC) indicates a communication issue betwe...
U02FF
U02FF indicates a communication failure between vehicle control modules,
U0300
U0300 indicates a communication error between vehicle control modules.
U0301
U0301 indicates invalid data from a control module, often related to communic...
U0302
U0302 signifies that the engine control module has received invalid data from...
U0303
U0303 signifies a software incompatibility issue between control modules.
U0304
U0304 indicates a software version issue in the vehicle's control module.
U0305
DTC U0305 signifies a communication issue with a control module in your vehicle.
U0306
DTC U0306 indicates a communication issue between the PCM and other vehicle m...
U0307
The U0307 code means there's invalid data received from a vehicle control mod...
U0308
DTC U0308 indicates a communication error between the engine control module a...
U0309
U0309 indicates a software incompatibility issue between vehicle modules.
U030A
U030A means the vehicle's control module is not communicating properly.
U030B
U030B indicates a communication error between the ECM and another control mod...
U030C
U030C indicates a communication error between control modules in your vehicle.
U030D
U030D indicates invalid data received from a control module, resulting in pot...
U030E
U030E indicates a communication error between vehicle control modules.
U030F
U030F means a communication error between control modules, often due to softw...
U0310
U0310 indicates a communication error between vehicle control modules.
U0311
U0311 indicates a communication problem between vehicle control modules.
U0312
U0312 indicates a communication failure between the ECM and BCM.
U0313
U0313 indicates invalid data from the body control module, affecting vehicle ...
U0314
U0314 indicates a communication error between vehicle control modules.
U0315
U0315 indicates that the vehicle's control module is receiving invalid data f...
U0316
DTC U0316 indicates an issue with invalid data being received from the vehicl...
U0317
U0317 means your vehicle's ECM is receiving invalid data from the BCM,
U0318
U0318 indicates a communication error between the body control module and oth...
U0319
The DTC U0319 is a diagnostic trouble code indicating that the vehicle's cont...
U031A
DTC U031A signifies a communication failure within the vehicle's network,
U031B
U031B indicates a communication failure with Control Module A in your vehicle.
U031C
U031C indicates a communication error between vehicle control modules.
U031D
DTC U031D indicates a communication fault between vehicle control modules,
U031E
U031E indicates a communication issue between control modules,
U031F
U031F indicates a communication issue between control modules regarding the s...
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