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 901-1000 of 4097 total codes
U0XXX Network Communication Systems
U0384
DTC U0384 indicates a communication error between the body control module and...
U0385
U0385 indicates a communication error between the PCM and the steering angle ...
U0386
U0386 indicates a communication issue with the steering angle sensor.
U0387
U0387 indicates a communication issue between vehicle control modules.
U0388
U0388 signifies a communication failure between the vehicle's control modules.
U0389
U0389 indicates invalid data received from the vehicle’s communication bus,
U038A
U038A indicates a communication error between control modules in the vehicle.
U038B
U038B indicates a communication issue with the steering angle sensor and body...
U038C
U038C indicates a communication issue between vehicle control modules.
U038D
DTC U038D signifies a communication error between control modules in your veh...
U038E
U038E indicates a communication error between the vehicle's control modules.
U038F
U038F signifies a communication fault with a control module in your vehicle.
U0390
DTC code U0390 indicates a loss of communication with the vehicle dynamics co...
U0391
U0391 signifies a communication error between vehicle control modules.
U0392
U0392 indicates a communication issue between vehicle control units,
U0393
U0393 indicates a communication error with the fuel pump control module.
U0394
U0394 indicates a communication error between vehicle control modules.
U0395
U0395 means there's a communication issue with the steering angle sensor module.
U0396
DTC U0396 signifies a communication issue within the vehicle's network,
U0397
U0397 indicates a communication failure between vehicle control modules.
U0398
The U0398 code indicates a communication issue between vehicle modules.
U0399
U0399 indicates a communication failure between vehicle control modules.
U039A
U039A indicates a communication fault between the vehicle's control modules.
U039B
U039B indicates a communication failure between the ECU and the Battery Energ...
U039C
U039C indicates a communication error between vehicle control modules.
U039D
U039D indicates a communication error within the vehicle's control modules.
U039E
U039E indicates a communication failure between control modules in your vehicle.
U039F
U039F indicates a communication issue between vehicle control modules,
U03A0
DTC U03A0 indicates a communication issue between control modules in your veh...
U03A1
U03A1 indicates a communication error in the vehicle's control modules.
U03A2
Indicates a problem with the vehicle's network communication, specifically wi...
U03A3
The U03A3 code indicates a communication error between vehicle modules.
U03A4
U03A4 signifies a communication issue between vehicle control modules.
U03A5
U03A5 indicates a communication fault in the electric power steering system.
U03A6
DTC U03A6 indicates a communication problem between vehicle control modules.
U03A7
U03A7 signifies a communication issue in the vehicle control module.
U03A8
DTC U03A8 is a communication error code indicating issues between your vehicl...
U03A9
U03A9 indicates a communication issue with a vehicle module.
U03AA
The U03AA code indicates a communication issue between vehicle modules,
U03AB
U03AB means there's a communication issue between vehicle modules.
U03AC
The U03AC code signifies a communication issue between control modules in you...
U03AD
U03AD signifies a communication fault with a vehicle module, affecting system...
U03AE
U03AE indicates a communication failure with the vehicle control module.
U03AF
U03AF signifies a communication issue in the Electric Power Steering module.
U03B0
DTC U03B0 signals a communication failure within the vehicle's electronic con...
U03B1
DTC U03B1 indicates a communication error between the control modules in your...
U03B2
U03B2 indicates a communication issue between control modules in your vehicle.
U03B3
U03B3 denotes a communication error between control modules in your vehicle.
U03B4
DTC U03B4 signifies a communication fault among vehicle modules.
U03B5
U03B5 indicates a communication issue between control modules in your vehicle.
U03B6
U03B6 indicates a communication error within the vehicle's electronic modules.
U03B7
U03B7 indicates a communication issue within the vehicle's network,
U03B8
U03B8 indicates a communication error between vehicle control modules.
U03B9
The U03B9 code indicates a communication error between the vehicle's control ...
U03BA
The U03BA code signifies a communication fault between control modules in the...
U03BB
U03BB indicates a communication fault with the body control module.
U03BC
U03BC indicates a communication error with the Battery Energy Control Module.
U03BD
The U03BD code indicates a communication failure between the vehicle's contro...
U03BE
U03BE indicates a communication problem between vehicle control modules.
U03BF
U03BF indicates a communication issue between vehicle control modules.
U03C0
U03C0 indicates a communication failure with a control module in your vehicle.
U03C1
U03C1 indicates a control module communication failure.
U03C2
U03C2 indicates a loss of communication with the steering angle sensor,
U03C3
U03C3 indicates a communication fault between vehicle modules.
U03C4
U03C4 indicates a communication error between the transmission control module...
U03C5
U03C5 indicates a communication error among vehicle control modules,
U03C6
DTC U03C6 indicates a communication error between vehicle modules.
U03C7
U03C7 indicates a communication error between vehicle modules.
U03C8
The U03C8 code indicates a communication fault between vehicle control modules.
U03C9
U03C9 indicates a communication error in the vehicle's network,
U03CA
U03CA indicates a communication failure with the battery management system's ...
U03CB
DTC U03CB indicates a communication error between control modules on your veh...
U03CC
DTC U03CC indicates a communication issue between vehicle modules.
U03CD
U03CD indicates a communication failure between control modules in your vehic...
U03CE
The U03CE code indicates a communication failure between the Engine Control M...
U03CF
U03CF indicates a communication error between vehicle control modules.
U03D0
U03D0 indicates a communication error within your vehicle's network.
U03D1
U03D1 indicates a communication failure between control modules.
U03D2
U03D2 indicates a communication failure within the vehicle's network system.
U03D3
DTC U03D3 indicates a communication error between vehicle control modules.
U03D4
U03D4 indicates a communication error in the electric power steering system.
U03D5
U03D5 indicates a communication issue between vehicle control modules.
U03D6
The U03D6 code indicates a communication issue between vehicle control modules.
U03D7
U03D7 indicates a communication failure between the Body Control Module and o...
U03D8
U03D8 signifies a communication error between vehicle control modules.
U03D9
U03D9 indicates a communication failure within the vehicle's electronic systems.
U03DA
U03DA indicates a communication problem between the vehicle's control modules.
U03DB
U03DB indicates a communication failure with a vehicle module.
U03DC
U03DC signifies a communication error between vehicle modules.
U03DD
The U03DD code indicates a communication error between the body control modul...
U03DE
U03DE indicates a communication failure in the vehicle's control modules.
U03DF
U03DF indicates a communication error between electronic control modules in y...
U03E0
DTC U03E0 signifies a communication issue within the vehicle's computer modules.
U03E1
U03E1 indicates a communication error with the electric control module.
U03E2
U03E2 indicates a communication failure between vehicle modules.
U03E3
U03E3 signals a communication failure between control modules in your vehicle.
U03E4
U03E4 indicates a communication failure between control modules in your vehicle.
U03E5
The U03E5 code indicates a communication failure between the vehicle's contro...
U03E6
U03E6 indicates a communication error with a control module in your vehicle.
U03E7
DTC U03E7 signifies a communication issue within the vehicle's control modules.
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