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 2501-2600 of 4097 total codes
U0XXX Network Communication Systems
U09C4
U09C4 indicates a communication issue between vehicle control modules.
U09C5
U09C5 indicates a communication error in the vehicle's control systems.
U09C6
DTC U09C6 signifies a communication error between vehicle control modules.
U09C7
U09C7 signifies a communication error between the body control module and oth...
U09C8
U09C8 indicates a communication error between control modules.
U09C9
U09C9 indicates a fault in the vehicle's communication network,
U09CA
U09CA indicates a communication error between vehicle control modules.
U09CB
The U09CB code indicates a communication failure within the vehicle's CAN bus...
U09CC
U09CC is a code indicating a communication problem between vehicle control mo...
U09CD
U09CD indicates a communication error between vehicle control modules.
U09CE
The U09CE code indicates a communication failure between vehicle control modu...
U09CF
U09CF indicates a communication issue within the vehicle's electronic control...
U09D0
U09D0 indicates a communication issue within the vehicle's network,
U09D1
U09D1 indicates a communication error between control modules in your vehicle.
U09D2
U09D2 indicates a communication issue among vehicle control modules.
U09D3
U09D3 indicates a loss of communication with the Transmission Control Module.
U09D4
U09D4 indicates a communication problem with the fuel pump control module.
U09D5
U09D5 indicates a communication error between vehicle control modules.
U09D6
U09D6 indicates a communication issue in the CAN bus system.
U09D7
U09D7 indicates a communication error between control modules in your vehicle.
U09D8
U09D8 indicates a communication error between vehicle control modules,
U09D9
U09D9 indicates a communication failure between the PCM and other vehicle mod...
U09DA
U09DA indicates a communication failure between control modules within the ve...
U09DB
DTC U09DB indicates a communication error in the vehicle's network,
U09DC
U09DC is a communication error code between vehicle control modules.
U09DD
U09DD indicates a communication fault between the engine control module and b...
U09DE
U09DE indicates a communication error between vehicle modules,
U09DF
U09DF indicates a communication error in the vehicle's CAN bus system.
U09E0
U09E0 signifies a communication error within the vehicle's network,
U09E1
The U09E1 code signifies a communication error with the Hybrid Control Module...
U09E2
DTC U09E2 indicates a communication problem between control modules.
U09E3
U09E3 indicates a communication error between vehicle modules.
U09E4
U09E4 indicates a communication error between vehicle control modules.
U09E5
U09E5 indicates a communication failure between vehicle modules,
U09E6
DTC U09E6 indicates a communication error between vehicle control modules.
U09E7
The U09E7 code indicates a communication failure between vehicle control modu...
U09E8
U09E8 indicates a communication failure between the transmission control modu...
U09E9
U09E9 indicates a communication error between the vehicle's control modules.
U09EA
U09EA indicates a communication error between control modules in your vehicle.
U09EB
The U09EB code signifies a communication failure between vehicle control modu...
U09EC
DTC U09EC indicates a communication error between control modules in your veh...
U09ED
U09ED indicates a communication error in the vehicle's steering system.
U09EE
U09EE indicates a communication issue between vehicle modules.
U09EF
U09EF indicates a communication failure between the steering angle sensor and...
U09F0
DTC U09F0 indicates a communication issue within the vehicle's control modules.
U09F1
U09F1 indicates a communication failure between vehicle modules.
U09F2
U09F2 indicates a communication issue between vehicle control modules.
U09F3
U09F3 indicates a communication failure between various vehicle control modules.
U09F4
U09F4 indicates a communication error between vehicle control modules.
U09F5
The U09F5 code indicates a communication failure between control modules in y...
U09F6
U09F6 indicates a communication fault between vehicle control modules.
U09F7
U09F7 indicates a communication error within the vehicle's control modules.
U09F8
U09F8 indicates a communication failure among vehicle modules.
U09F9
DTC U09F9 indicates a communication failure with a vehicle control module.
U09FA
DTC U09FA indicates a communication fault between vehicle modules.
U09FB
U09FB indicates a communication failure between control modules in your vehicle.
U09FC
U09FC indicates a communication error between vehicle control modules.
U09FD
U09FD indicates a communication fault in the powertrain system,
U09FE
U09FE indicates a communication issue between vehicle control modules.
U09FF
The U09FF code indicates a communication error between your vehicle's control...
U0A00
U0A00 indicates a communication error between vehicle control modules.
U0A01
U0A01 indicates a communication failure between vehicle modules.
U0A02
Indicates a communication error between the vehicle's control modules,
U0A03
U0A03 indicates a communication failure between vehicle control modules.
U0A04
U0A04 signifies a communication error in the vehicle's electronic systems.
U0A05
DTC U0A05 signifies a communication issue between vehicle control modules.
U0A06
Indicates a communication issue within the vehicle's control modules.
U0A07
U0A07 indicates a communication fault among vehicle control modules.
U0A08
U0A08 indicates a communication issue within the vehicle's data network,
U0A09
U0A09 indicates a communication failure between control modules.
U0A0A
U0A0A indicates a communication error between vehicle control modules.
U0A0B
U0A0B refers to a communication error between vehicle control modules.
U0A0C
U0A0C indicates a lost communication with the Powertrain Control Module.
U0A0D
U0A0D indicates a communication error within the vehicle's hybrid or electric...
U0A0E
U0A0E indicates a communication error in the battery management system.
U0A0F
U0A0F means there's a communication error with the Battery Energy Control Mod...
U0A10
U0A10 indicates a communication issue between vehicle control modules.
U0A11
U0A11 indicates a communication issue between vehicle modules.
U0A12
U0A12 indicates a communication error within the vehicle's data bus.
U0A13
U0A13 indicates a communication error between control modules.
U0A14
U0A14 indicates a communication issue between vehicle modules,
U0A15
U0A15 indicates a communication problem within the vehicle's electronic systems.
U0A16
U0A16 indicates a communication error in the battery management system.
U0A17
DTC U0A17 indicates a communication error between the control modules in your...
U0A18
DTC U0A18 indicates a communication failure between the vehicle's control mod...
U0A19
U0A19 indicates a communication failure between vehicle control modules.
U0A1A
U0A1A signifies a communication issue in the vehicle's network,
U0A1B
U0A1B indicates a communication error between vehicle control modules.
U0A1C
U0A1C indicates a communication issue between control modules in your vehicle...
U0A1D
DTC U0A1D is a diagnostic trouble code that indicates a problem with the comm...
U0A1E
U0A1E indicates a communication error in the vehicle's network.
U0A1F
U0A1F indicates a communication error between vehicle modules,
U0A20
U0A20 indicates a communication error between control modules in your vehicle.
U0A21
The U0A21 code signifies a communication issue with the vehicle's control mod...
U0A22
U0A22 indicates a communication issue within the vehicle's electronic systems.
U0A23
U0A23 indicates a communication issue between vehicle control modules.
U0A24
U0A24 indicates a communication error in the vehicle's module network.
U0A25
U0A25 signifies a communication failure within the battery monitoring system.
U0A26
U0A26 indicates a communication error between vehicle modules on the CAN bus.
U0A27
U0A27 indicates a communication problem within the vehicle's network,
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