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 6601-6700 of 8192 total codes
U1XXX Network Communication Systems
U19C8
U19C8 indicates a communication failure in the vehicle's electronic modules.
U19C9
U19C9 signifies a communication error between vehicle modules over the CAN bu...
U19CA
U19CA indicates a communication issue between control modules in your vehicle.
U19CB
U19CB indicates a communication error between vehicle control modules.
U19CC
U19CC indicates a communication error between vehicle control modules.
U19CD
U19CD indicates a communication failure in vehicle modules.
U19CE
The U19CE code signifies a communication error between the Body Control Modul...
U19CF
Indicates one or more of these modules are not able to exchange information c...
U19D0
U19D0 indicates a communication error between vehicle control modules.
U19D1
DTC U19D1 indicates a communication failure between control modules in your v...
U19D2
U19D2 indicates a communication problem between vehicle control modules.
U19D3
U19D3 indicates a communication failure in the vehicle's network,
U19D4
DTC U19D4 indicates a communication error between control modules,
U19D5
The U19D5 diagnostic trouble code indicates a communication error between the...
U19D6
U19D6 indicates a communication error in the vehicle's control modules relate...
U19D7
U19D7 indicates a communication failure in vehicle modules.
U19D8
U19D8 indicates a communication fault between vehicle control modules.
U19D9
The U19D9 code indicates a communication issue between vehicle modules,
U19DA
U19DA indicates a communication issue in the battery management system of you...
U19DB
U19DB indicates a communication issue between vehicle control modules.
U19DC
U19DC indicates a communication error between vehicle control modules.
U19DD
U19DD indicates a communication issue in the vehicle's battery management sys...
U19DE
U19DE indicates a vehicle communication network issue.
U19DF
U19DF indicates a communication error between vehicle control modules.
U19E0
U19E0 indicates a communication error within the vehicle's ADAS network.
U19E1
U19E1 indicates a communication failure between vehicle control modules,
U19E2
U19E2 indicates a communication error within the vehicle's network,
U19E3
U19E3 indicates a communication error among vehicle control modules.
U19E4
U19E4 indicates a communication issue within the vehicle's control modules.
U19E5
U19E5 indicates a communication fault in the vehicle's body control module.
U19E6
Indicates the vehicle's modules are unable to exchange information effectivel...
U19E7
U19E7 indicates a communication error between control modules in the vehicle.
U19E8
U19E8 signifies a communication failure between vehicle control modules,
U19E9
U19E9 indicates a communication failure between the body control module and o...
U19EA
U19EA indicates a communication problem between vehicle control modules.
U19EB
U19EB indicates a communication issue within the vehicle's body control module.
U19EC
U19EC indicates a communication issue within the vehicle's electronic modules.
U19ED
U19ED indicates a communication failure between your vehicle's modules,
U19EE
U19EE indicates a communication failure between the Body Control Module and o...
U19EF
U19EF indicates a communication error between vehicle control modules.
U19F0
DTC U19F0 indicates a communication problem between vehicle control modules.
U19F1
U19F1 signifies a communication issue between control modules,
U19F2
The U19F2 code indicates a communication fault between control modules in veh...
U19F3
U19F3 indicates a communication issue between the powertrain control module a...
U19F4
U19F4 indicates a communication error with the Powertrain Control Module.
U19F5
U19F5 indicates a communication error between vehicle modules.
U19F6
The U19F6 code indicates a communication failure within the vehicle's CAN net...
U19F7
U19F7 indicates a malfunction in the vehicle's communication bus,
U19F8
U19F8 indicates a communication error with the Body Control Module in your ve...
U19F9
U19F9 indicates a communication failure in the vehicle's control modules.
U19FA
U19FA indicates a communication failure between vehicle modules.
U19FB
U19FB indicates a communication problem within the vehicle’s network,
U19FC
U19FC indicates a communication failure between the vehicle's control modules.
U19FD
U19FD indicates a communication fault between vehicle control modules.
U19FE
U19FE indicates a communication issue between vehicle control modules.
U19FF
U19FF indicates a communication error in vehicle control systems.
U1A00
U1A00 indicates a communication issue between vehicle modules.
U1A01
U1A01 indicates a communication failure within the vehicle's control modules.
U1A02
U1A02 indicates a communication failure between control modules in your vehicle.
U1A03
U1A03 indicates a communication error between vehicle control modules.
U1A04
U1A04 indicates a communication error between control modules,
U1A05
U1A05 indicates a fault in vehicle network communication.
U1A06
U1A06 indicates a communication error within the vehicle's ADAS modules.
U1A07
U1A07 indicates a communication error within the vehicle's control modules.
U1A08
The U1A08 diagnostic trouble code indicates a communication issue between the...
U1A09
U1A09 indicates a communication error between vehicle modules,
U1A0A
U1A0A indicates a communication error within the vehicle's electronic control...
U1A0B
U1A0B indicates a communication failure between vehicle modules.
U1A0C
U1A0C indicates a communication issue between control modules in your vehicle.
U1A0D
U1A0D indicates a communication failure between the Body Control Module and o...
U1A0E
U1A0E indicates a communication error within the vehicle's ADAS modules.
U1A0F
U1A0F indicates a communication failure between vehicle control modules.
U1A10
U1A10 indicates a communication failure between control modules.
U1A11
U1A11 indicates a communication error within the vehicle's network,
U1A12
The U1A12 code signifies a communication issue between vehicle modules,
U1A13
U1A13 indicates a communication failure within the vehicle's control systems.
U1A14
U1A14 indicates a communication error between control modules in your vehicle.
U1A15
The U1A15 code indicates a communication error between the powertrain control...
U1A16
U1A16 indicates a communication error between vehicle control units.
U1A17
U1A17 indicates a communication issue with the Battery Energy Control Module.
U1A18
U1A18 denotes a communication error within the vehicle's electronic control m...
U1A19
The DTC U1A19 code refers to a communication error within the vehicle's netwo...
U1A1A
U1A1A indicates a communication issue in the vehicle's network,
U1A1B
U1A1B indicates a communication error between vehicle modules.
U1A1C
U1A1C indicates a communication failure in the vehicle's network.
U1A1D
The U1A1D code indicates a communication issue between vehicle control module...
U1A1E
DTC U1A1E indicates a communication issue between vehicle control modules.
U1A1F
U1A1F indicates a communication error in the CAN bus system.
U1A20
U1A20 indicates a communication issue between vehicle control modules.
U1A21
U1A21 indicates a communication error between vehicle modules.
U1A22
U1A22 indicates a communication problem within the vehicle's control modules.
U1A23
U1A23 indicates a communication error in vehicle's electronic systems,
U1A24
U1A24 signifies a communication error between vehicle control modules.
U1A25
DTC U1A25 indicates a communication issue within the vehicle's electronic net...
U1A26
U1A26 indicates a communication failure with the Battery Energy Control Modul...
U1A27
U1A27 indicates a communication failure between vehicle modules.
U1A28
U1A28 indicates a communication fault between vehicle control modules,
U1A29
U1A29 indicates a communication issue between vehicle modules related to driv...
U1A2A
U1A2A indicates a communication error between vehicle control modules.
U1A2B
The U1A2B code indicates a communication issue within the vehicle's ADAS modu...
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