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 1901-2000 of 4097 total codes
U0XXX Network Communication Systems
U076C
DTC U076C is a diagnostic trouble code that indicates a communication issue b...
U076D
U076D indicates a communication error between vehicle modules.
U076E
U076E indicates a communication issue between control modules in your vehicle.
U076F
U076F indicates a communication failure between the Body Control Module and a...
U0770
U0770 indicates a communication failure between vehicle control modules.
U0771
U0771 indicates a communication error between vehicle control modules.
U0772
U0772 indicates a communication error with the transmission control module.
U0773
U0773 indicates a communication failure between control modules in your vehicle.
U0774
U0774 indicates a communication error between the Transmission Control Module...
U0775
DTC U0775 signifies a communication malfunction between the transmission cont...
U0776
U0776 indicates a communication error between vehicle control modules.
U0777
U0777 signifies a communication failure between control modules in hybrid veh...
U0778
U0778 indicates a communication failure between the Transmission Control Modu...
U0779
DTC U0779 signifies a communication error between control modules in your veh...
U077A
U077A indicates a communication failure in the power steering control module.
U077B
U077B indicates a communication issue between the transmission control unit a...
U077C
U077C is a communication error between vehicle control modules related to tra...
U077D
U077D indicates a communication fault between vehicle control modules.
U077E
U077E indicates a communication error in the vehicle's control modules,
U077F
U077F indicates a communication error between control modules in your vehicle.
U0780
DTC U0780 indicates a communication failure between control modules in your v...
U0781
U0781 indicates a communication error between control modules in your vehicle.
U0782
U0782 indicates a communication error between vehicle control modules.
U0783
DTC U0783 indicates a communication error between vehicle control modules.
U0784
U0784 indicates a communication failure between control modules in your vehicle.
U0785
U0785 indicates a communication issue between vehicle modules.
U0786
U0786 indicates a communication failure between vehicle control modules.
U0787
U0787 indicates a communication error between vehicle control modules.
U0788
U0788 indicates a communication error between vehicle control modules.
U0789
DTC U0789 indicates a communication error between your vehicle's control modu...
U078A
U078A indicates a communication error between vehicle control modules.
U078B
U078B indicates a communication failure between vehicle control modules.
U078C
U078C indicates a communication problem between vehicle modules.
U078D
U078D indicates a communication failure between vehicle modules.
U078E
U078E means a communication error between the transmission control module and...
U078F
The U078F diagnostic trouble code (DTC) indicates a communication error betwe...
U0790
U0790 indicates a communication error between vehicle control modules.
U0791
U0791 indicates a communication failure between vehicle control modules.
U0792
DTC U0792 indicates a communication issue between control modules in your veh...
U0793
U0793 signifies a communication error between the ECM and TCM,
U0794
U0794 indicates a communication failure between the Engine Control Module and...
U0795
U0795 indicates a communication issue within the vehicle's control modules.
U0796
DTC U0796 indicates a communication failure between the Transmission Control ...
U0797
DTC U0797 refers to a communication error among vehicle control modules,
U0798
U0798 indicates a communication error in the high-speed CAN bus system,
U0799
U0799 indicates a communication failure between vehicle control modules.
U079A
The U079A code indicates a communication issue between vehicle control modules.
U079B
U079B indicates a communication error between vehicle control modules.
U079C
DTC U079C indicates a communication failure between the transmission control ...
U079D
U079D indicates a communication failure between the Body Control Module and T...
U079E
U079E indicates a communication failure within the vehicle's control modules,...
U079F
U079F indicates a communication error between the Body Control Module and Eng...
U07A0
U07A0 indicates a communication failure between vehicle control modules,
U07A1
U07A1 indicates a communication issue between vehicle control modules.
U07A2
U07A2 indicates a communication issue between vehicle control modules.
U07A3
U07A3 indicates a data bus communication failure between electronic modules i...
U07A4
U07A4 signifies a communication failure between vehicle control modules,
U07A5
U07A5 indicates a communication error within the vehicle's control modules.
U07A6
DTC U07A6 indicates a communication issue within the vehicle's control module...
U07A7
U07A7 indicates a communication failure within the vehicle's electronic contr...
U07A8
U07A8 indicates a communication failure between control modules in the vehicle.
U07A9
U07A9 indicates a communication failure between vehicle control modules.
U07AA
U07AA indicates a communication failure between vehicle control modules.
U07AB
DTC U07AB indicates a communication issue with the body control module.
U07AC
U07AC signifies a communication error in the vehicle's control modules,
U07AD
U07AD indicates a communication issue within the vehicle's data bus system.
U07AE
DTC U07AE indicates a communication issue with the transmission control modul...
U07AF
U07AF indicates a communication failure with the Battery Energy Control Module.
U07B0
U07B0 refers to a communication error between the battery management system a...
U07B1
DTC U07B1 indicates a communication error between the vehicle's control modules.
U07B2
U07B2 indicates a communication error between vehicle control modules.
U07B3
U07B3 signifies a communication error between vehicle control modules.
U07B4
U07B4 indicates a communication failure in the vehicle's control network.
U07B5
U07B5 indicates a communication issue within the vehicle's network.
U07B6
U07B6 is a communication error code indicating a failure in interaction betwe...
U07B7
U07B7 indicates a communication error between control modules in your vehicle.
U07B8
U07B8 indicates a communication error between vehicle control modules,
U07B9
U07B9 indicates a communication failure among vehicle control modules.
U07BA
DTC U07BA indicates a communication error between vehicle control modules.
U07BB
U07BB signifies a communication error within the vehicle's control modules.
U07BC
U07BC means there's a communication error between your vehicle's control modu...
U07BD
The U07BD diagnostic trouble code (DTC) is part of the OBD-II system and typi...
U07BE
DTC U07BE indicates a communication error between the PCM and BCM.
U07BF
U07BF indicates a communication error between vehicle control modules.
U07C0
The U07C0 code indicates a communication failure in the vehicle's control mod...
U07C1
U07C1 indicates a communication issue between vehicle control modules.
U07C2
DTC U07C2 indicates a communication issue within the vehicle's systems.
U07C3
U07C3 indicates a communication failure within the vehicle control module net...
U07C4
The U07C4 code indicates a communication failure within the vehicle's control...
U07C5
The U07C5 code indicates a communication issue within the vehicle's power ste...
U07C6
U07C6 indicates a communication error within the vehicle's CAN system.
U07C7
U07C7 indicates a communication failure between control modules in your vehicle.
U07C8
U07C8 indicates a communication error in the vehicle's network,
U07C9
U07C9 indicates a communication fault between the Transmission Control Module...
U07CA
U07CA indicates a communication error between vehicle modules,
U07CB
U07CB indicates a communication error within the vehicle's network modules.
U07CC
U07CC indicates a communication failure between control modules,
U07CD
U07CD indicates a communication issue between the vehicle's modules.
U07CE
The U07CE code indicates a communication failure between control modules in t...
U07CF
The U07CF code indicates a communication error related to the Battery Energy ...
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