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 3201-3300 of 4097 total codes
U0XXX Network Communication Systems
U0C80
U0C80 indicates a communication issue between vehicle control modules.
U0C81
U0C81 signifies a communication fault in the vehicle's internal network.
U0C82
U0C82 indicates a communication error within vehicle control modules.
U0C83
U0C83 indicates a communication error between vehicle control modules.
U0C84
U0C84 indicates a communication failure in the vehicle's electronic systems,
U0C85
U0C85 indicates a communication failure between vehicle control modules.
U0C86
U0C86 indicates a communication error between control modules,
U0C87
The U0C87 code signifies a communication error between the body control modul...
U0C88
U0C88 indicates a communication error within the vehicle's network,
U0C89
U0C89 indicates a communication error in the vehicle's control modules,
U0C8A
U0C8A indicates a communication issue in the vehicle's battery management sys...
U0C8B
DTC U0C8B indicates a communication error within the vehicle's control modules.
U0C8C
U0C8C indicates a communication error between vehicle modules.
U0C8D
U0C8D indicates a communication error in your vehicle's control modules.
U0C8E
DTC U0C8E indicates a communication fault between vehicle control modules.
U0C8F
U0C8F indicates a communication issue between the body control module and oth...
U0C90
The DTC U0C90 is a communication error code that indicates a malfunction rela...
U0C91
U0C91 indicates a communication error in the CAN bus system.
U0C92
U0C92 indicates a communication failure between vehicle control modules.
U0C93
DTC U0C93 indicates a communication failure between vehicle modules,
U0C94
U0C94 indicates a communication fault in the vehicle's control modules.
U0C95
U0C95 signals a communication failure in the body control module,
U0C96
DTC U0C96 indicates a CAN communication failure between vehicle modules.
U0C97
The U0C97 code signifies a communication error between vehicle modules.
U0C98
DTC U0C98 indicates a communication fault within the vehicle's network,
U0C99
U0C99 indicates a communication failure between control modules in your vehic...
U0C9A
U0C9A indicates a communication error between the vehicle's electronic contro...
U0C9B
U0C9B indicates a communication failure between control modules in your vehicle.
U0C9C
U0C9C indicates a communication fault between control modules in your vehicle.
U0C9D
U0C9D indicates a communication error between the Body Control Module and oth...
U0C9E
U0C9E indicates a communication error in the vehicle's control modules.
U0C9F
U0C9F indicates a communication issue among control modules in your vehicle.
U0CA0
U0CA0 signifies a communication failure between vehicle control modules,
U0CA1
U0CA1 indicates a communication issue within your vehicle's advanced driver-a...
U0CA2
U0CA2 indicates a hybrid battery voltage error in vehicles, usually in Toyota...
U0CA3
U0CA3 is a communication error code indicating issues between vehicle control...
U0CA4
DTC U0CA4 indicates a communication issue between the Battery Management Syst...
U0CA5
U0CA5 indicates a communication error within the vehicle's control modules.
U0CA6
DTC U0CA6 signifies a malfunction in the Advanced Driver Assistance System.
U0CA7
The U0CA7 code indicates a communication error within the vehicle's network,
U0CA8
U0CA8 signifies a communication error in the vehicle’s CAN bus system.
U0CA9
Indicates there is a problem with the communication between the electronic co...
U0CAA
U0CAA indicates a communication failure between vehicle control modules,
U0CAB
Indicates an issue with the communication between the body control module (BC...
U0CAC
U0CAC indicates a communication error between the vehicle's engine control mo...
U0CAD
U0CAD indicates a communication fault between vehicle modules.
U0CAE
U0CAE indicates a communication issue among vehicle control modules,
U0CAF
U0CAF indicates a communication error in your vehicle's control modules.
U0CB0
U0CB0 indicates a communication problem between vehicle control modules.
U0CB1
U0CB1 indicates a communication issue within the vehicle's electronic systems.
U0CB2
U0CB2 signifies a communication breakdown in the vehicle's control modules.
U0CB3
U0CB3 indicates a communication problem in the vehicle's network,
U0CB4
U0CB4 indicates a communication failure between control modules in your vehicle.
U0CB5
The U0CB5 code indicates a communication issue in your vehicle's electronic s...
U0CB6
DTC U0CB6 indicates a communication error between control modules in your veh...
U0CB7
U0CB7 signifies a communication issue between vehicle control modules.
U0CB8
U0CB8 indicates a communication failure in the power steering control module.
U0CB9
U0CB9 indicates a communication failure between the body control module and o...
U0CBA
DTC U0CBA indicates a communication error among vehicle control modules.
U0CBB
U0CBB indicates a communication error between vehicle modules.
U0CBC
U0CBC indicates a communication failure between vehicle control modules,
U0CBD
U0CBD indicates a communication error within the vehicle's control area netwo...
U0CBE
U0CBE indicates a communication failure between vehicle control modules.
U0CBF
U0CBF indicates a malfunction in the communication circuit between vehicle co...
U0CC0
U0CC0 signifies a communication error between vehicle control modules.
U0CC1
U0CC1 indicates a communication error between the body control module and oth...
U0CC2
U0CC2 indicates a communication problem between vehicle control modules.
U0CC3
U0CC3 indicates a communication error within the vehicle’s CAN network.
U0CC4
U0CC4 indicates a communication failure within the body control module.
U0CC5
DTC U0CC5 signifies a communication error between control modules.
U0CC6
U0CC6 indicates a communication error in your vehicle's network.
U0CC7
U0CC7 indicates a network communication error among vehicle control modules.
U0CC8
U0CC8 indicates a communication error between vehicle control modules.
U0CC9
U0CC9 indicates a communication problem between vehicle control modules,
U0CCA
U0CCA indicates a communication issue between control modules in your vehicle.
U0CCB
U0CCB indicates a communication issue between your vehicle's electronic contr...
U0CCC
U0CCC indicates a communication error between vehicle control modules.
U0CCD
U0CCD indicates a communication error within the vehicle's control modules.
U0CCE
U0CCE signifies a communication error in the vehicle's CAN network.
U0CCF
U0CCF indicates a communication failure in your vehicle's electronic control ...
U0CD0
U0CD0 indicates a malfunction in the vehicle's communication network,
U0CD1
U0CD1 indicates a communication issue within the vehicle's control modules.
U0CD2
The U0CD2 code signifies a communication error between control modules in you...
U0CD3
U0CD3 signifies a communication failure between control modules in your vehicle.
U0CD4
DTC U0CD4 indicates a communication problem between vehicle modules.
U0CD5
DTC U0CD5 indicates a communication issue between vehicle control modules.
U0CD6
U0CD6 indicates a communication issue between vehicle control modules.
U0CD7
U0CD7 indicates a communication error within the vehicle's body control modul...
U0CD8
U0CD8 indicates a communication error with the vehicle dynamic control module.
U0CD9
U0CD9 indicates a communication failure between control modules in your vehicle.
U0CDA
U0CDA indicates a communication problem between vehicle control modules relat...
U0CDB
U0CDB indicates a communication error in the vehicle's network systems.
U0CDC
U0CDC indicates a communication error between vehicle control modules.
U0CDD
U0CDD indicates a communication issue between the engine control module and o...
U0CDE
U0CDE signifies a communication failure in vehicle modules, commonly affectin...
U0CDF
U0CDF indicates a communication issue with the chassis control module in your...
U0CE0
U0CE0 indicates a communication issue between control modules in your vehicle.
U0CE1
U0CE1 indicates a communication issue within the vehicle's network systems.
U0CE2
U0CE2 indicates a communication error within the vehicle's onboard systems.
U0CE3
Indicates a communication issue within the vehicle's electronic control units...
Page 33 of 41