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 4001-4097 of 4097 total codes
U0XXX Network Communication Systems
U0FA0
U0FA0 indicates a communication issue between the body control module and oth...
U0FA1
U0FA1 indicates a communication fault in the vehicle's control network.
U0FA2
U0FA2 indicates a communication error between vehicle control modules.
U0FA3
DTC U0FA3 indicates a communication issue among control modules in your vehicle.
U0FA4
U0FA4 indicates a communication issue between vehicle modules.
U0FA5
U0FA5 indicates a communication error between vehicle control modules.
U0FA6
U0FA6 indicates a communication issue between vehicle control modules.
U0FA7
U0FA7 indicates a communication issue in ADAS modules in Ford and Lincoln veh...
U0FA8
U0FA8 indicates a communication issue between vehicle modules.
U0FA9
U0FA9 indicates a communication fault in the vehicle's network,
U0FAA
U0FAA indicates a communication failure in the Body Control Module (BCM) of y...
U0FAB
U0FAB indicates a communication failure between vehicle control modules,
U0FAC
U0FAC indicates a communication error between control modules in your vehicle.
U0FAD
U0FAD indicates a communication failure in the vehicle's network,
U0FAE
U0FAE indicates a communication problem between vehicle control modules.
U0FAF
U0FAF indicates a communication issue between vehicle control modules.
U0FB0
The U0FB0 code refers to a communication error on the vehicle's data bus,
U0FB1
U0FB1 indicates a communication error between control modules in your vehicle.
U0FB2
U0FB2 indicates a communication problem in the vehicle's electronic control m...
U0FB3
U0FB3 indicates a network communication malfunction within your vehicle's sys...
U0FB4
U0FB4 indicates a communication failure within the vehicle's control modules.
U0FB5
U0FB5 indicates a communication error in the vehicle's control modules.
U0FB6
U0FB6 signifies a communication error within the vehicle's body control modul...
U0FB7
U0FB7 indicates a communication issue between vehicle control modules.
U0FB8
U0FB8 indicates a communication issue within the vehicle's electronic systems.
U0FB9
U0FB9 indicates a communication error between vehicle control modules.
U0FBA
U0FBA indicates a communication error between control modules in your vehicle.
U0FBB
U0FBB indicates a communication failure between vehicle control modules.
U0FBC
U0FBC indicates a communication error in the vehicle's network,
U0FBD
DTC U0FBD indicates a communication issue within the vehicle's electronic sys...
U0FBE
U0FBE indicates a communication issue between vehicle control modules.
U0FBF
U0FBF indicates a communication error between vehicle control modules,
U0FC0
U0FC0 indicates a communication fault within the vehicle's control modules.
U0FC1
U0FC1 indicates a communication error between vehicle control modules.
U0FC2
U0FC2 indicates a communication issue between vehicle control modules.
U0FC3
U0FC3 indicates a communication failure between vehicle control modules.
U0FC4
U0FC4 means there's a communication issue between vehicle control modules.
U0FC5
DTC U0FC5 indicates a communication failure between control modules in your v...
U0FC6
U0FC6 indicates a communication failure between vehicle control modules.
U0FC7
U0FC7 indicates a communication fault between vehicle control modules.
U0FC8
U0FC8 indicates a communication issue within the vehicle's network,
U0FC9
DTC U0FC9 signals a communication failure between vehicle modules.
U0FCA
U0FCA indicates a communication problem between vehicle control modules.
U0FCB
U0FCB indicates a communication issue within the vehicle's control system,
U0FCC
U0FCC indicates a communication error across the vehicle's control modules.
U0FCD
U0FCD indicates a communication issue between vehicle control modules,
U0FCE
U0FCE indicates a communication error within the vehicle's control module net...
U0FCF
U0FCF signifies a communication error among vehicle modules, particularly in ...
U0FD0
U0FD0 indicates a communication error within the vehicle's network,
U0FD1
U0FD1 indicates a communication error between control modules in the vehicle.
U0FD2
U0FD2 signifies a communication error in vehicle control modules.
U0FD3
U0FD3 indicates a communication error between vehicle modules.
U0FD4
U0FD4 indicates a communication error between vehicle control modules,
U0FD5
U0FD5 indicates a communication failure among control modules in the vehicle.
U0FD6
U0FD6 indicates a communication error within the vehicle's electronic systems.
U0FD7
U0FD7 indicates a communication error between vehicle control modules.
U0FD8
U0FD8 indicates a communication issue with the Body Control Module.
U0FD9
U0FD9 indicates a communication issue between control modules in the vehicle,...
U0FDA
DTC U0FDA indicates a communication issue between vehicle modules.
U0FDB
U0FDB indicates a communication problem between control modules in your vehicle.
U0FDC
U0FDC indicates a communication error within the vehicle's electronic systems...
U0FDD
U0FDD indicates a communication error between vehicle control modules.
U0FDE
U0FDE indicates a communication error in the vehicle's network,
U0FDF
U0FDF indicates a fault in vehicle communication networks, affecting module i...
U0FE0
U0FE0 indicates a communication issue between vehicle control modules.
U0FE1
U0FE1 indicates a communication issue within the vehicle's electronic modules.
U0FE2
U0FE2 indicates a communication error between vehicle modules.
U0FE3
U0FE3 indicates a communication error between vehicle control modules.
U0FE4
U0FE4 indicates a communication issue in the vehicle's electronic systems,
U0FE5
U0FE5 indicates a communication error between vehicle control modules.
U0FE6
U0FE6 is a communication error among control modules in your vehicle.
U0FE7
U0FE7 indicates a communication issue within your vehicle's electronic system...
U0FE8
U0FE8 signifies a communication error within the vehicle's network,
U0FE9
DTC U0FE9 indicates a communication issue within the vehicle's control modules.
U0FEA
U0FEA indicates a communication error between modules in your vehicle's network.
U0FEB
U0FEB indicates a communication error between control modules in your vehicle.
U0FEC
U0FEC is a communication error code indicating issues in the vehicle's networ...
U0FED
U0FED is a communication error code indicating issues between vehicle control...
U0FEE
U0FEE indicates a communication issue within the vehicle's control modules.
U0FEF
U0FEF indicates a communication failure within vehicle networks,
U0FF0
U0FF0 indicates a communication error within vehicle control systems.
U0FF1
The U0FF1 code indicates a communication issue within the vehicle's electroni...
U0FF2
U0FF2 indicates a communication error between control modules in your vehicle.
U0FF3
DTC U0FF3 indicates a communication failure between the body control module a...
U0FF4
U0FF4 indicates a communication error between vehicle control modules.
U0FF5
U0FF5 indicates a communication fault between control modules in your vehicle.
U0FF6
U0FF6 indicates a communication error between control modules in your vehicle.
U0FF7
DTC U0FF7 indicates a communication error within the vehicle's control modules.
U0FF8
U0FF8 indicates a communication error between control modules in your vehicle.
U0FF9
U0FF9 indicates a communication failure between vehicle control modules.
U0FFA
U0FFA indicates a communication failure in the body control module of your ve...
U0FFB
U0FFB indicates a communication error between control modules in the vehicle.
U0FFC
U0FFC indicates a communication error in the vehicle's onboard systems.
U0FFD
U0FFD indicates an undefined communication error among vehicle control modules.
U0FFE
DTC U0FFE indicates a communication failure between vehicle control modules.
U0FFF
U0FFF indicates a communication issue in your vehicle's network,
U1XXX Network Communication Systems
U1000
U1000 indicates a communication fault within the vehicle's control modules.
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