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 2301-2400 of 4097 total codes
U0XXX Network Communication Systems
U08FC
U08FC indicates a communication failure between vehicle modules.
U08FD
U08FD signifies a communication issue between vehicle control modules.
U08FE
U08FE indicates a communication fault between vehicle control modules.
U08FF
U08FF indicates a communication error among vehicle control modules.
U0900
U0900 indicates a communication error in the CAN bus system of your vehicle.
U0901
U0901 indicates a communication issue within the vehicle's network.
U0902
U0902 means there's a communication issue between vehicle modules.
U0903
U0903 indicates a communication failure between vehicle control modules.
U0904
U0904 indicates a communication error between control modules in your vehicle...
U0905
U0905 indicates a communication error between control modules in your vehicle.
U0906
DTC U0906 indicates a communication error between the ECM and other control m...
U0907
U0907 indicates a communication failure on the CAN bus in your vehicle.
U0908
DTC U0908 indicates a communication failure between control modules in your v...
U0909
U0909 indicates a communication error on the vehicle's CAN bus.
U090A
U090A indicates a communication error between vehicle control modules.
U090B
U090B is a code indicating a communication error between the ECU and TCM.
U090C
U090C indicates a lost communication between vehicle control modules,
U090D
U090D indicates a communication error between the Transmission Control Module...
U090E
U090E indicates a communication error between vehicle control modules.
U090F
U090F indicates a communication loss between your vehicle's control modules,
U0910
U0910 signifies a communication breakdown in the vehicle's CAN bus system.
U0911
U0911 indicates a communication breakdown between vehicle control modules.
U0912
U0912 indicates a communication error between vehicle control modules.
U0913
DTC U0913 indicates a communication failure with the Body Control Module,
U0914
The U0914 code indicates a communication error between the Body Control Modul...
U0915
The U0915 code indicates a communication fault between vehicle modules.
U0916
U0916 indicates lost communication with the Steering Column Control Module.
U0917
U0917 indicates a communication failure between vehicle modules.
U0918
U0918 indicates a communication issue between vehicle control modules.
U0919
U0919 indicates a communication failure between vehicle control modules.
U091A
U091A signifies a communication error between vehicle control modules.
U091B
DTC U091B indicates a communication problem between the body control module a...
U091C
DTC U091C refers to a communication issue within the vehicle's CAN bus system...
U091D
U091D indicates a communication failure between the body control module and o...
U091E
U091E is a communication error code indicating issues with the vehicle's netw...
U091F
U091F indicates a communication error in the vehicle's network,
U0920
U0920 signifies a communication error between control modules in your vehicle.
U0921
U0921 indicates a communication error between vehicle control modules.
U0922
U0922 indicates a communication failure between vehicle modules.
U0923
U0923 indicates a missing communication message between vehicle control modules.
U0924
U0924 indicates a communication error between vehicle control modules.
U0925
U0925 is a communication error code indicating that two vehicle control modul...
U0926
U0926 means a communication error in the vehicle's network system.
U0927
DTC U0927 indicates a communication failure between the vehicle's control mod...
U0928
U0928 indicates a communication failure in the vehicle's network,
U0929
DTC U0929 signifies a communication error between vehicle control modules.
U092A
U092A indicates a communication failure between control modules in your vehicle.
U092B
U092B indicates a communication error between vehicle modules.
U092C
Indicates communication failure between the vehicle's control modules,
U092D
U092D signifies a communication error between the hybrid control module and o...
U092E
U092E indicates a communication issue between vehicle control modules.
U092F
U092F indicates a communication error between vehicle control modules.
U0930
U0930 indicates a communication failure between vehicle control modules.
U0931
The U0931 code indicates a communication issue between control modules in GM ...
U0932
U0932 means lost communication with the vehicle dynamics control module,
U0933
U0933 indicates a communication error between control modules in your vehicle.
U0934
U0934 indicates a communication failure between control modules in your vehic...
U0935
DTC U0935 indicates a communication error between vehicle control modules.
U0936
U0936 indicates a lost communication between the body control module and othe...
U0937
DTC U0937 indicates a communication failure within the vehicle's network,
U0938
U0938 indicates a lost communication with the trailer brake control module,
U0939
DTC U0939 signifies a communication issue between vehicle control modules.
U093A
U093A indicates a communication issue between vehicle modules,
U093B
The U093B code indicates a communication fault between vehicle control modules.
U093C
U093C indicates a communication issue between vehicle control modules.
U093D
DTC U093D indicates a communication failure in the vehicle's internal network...
U093E
DTC U093E indicates a communication error between vehicle control modules.
U093F
U093F is a diagnostic trouble code indicating a communication issue between v...
U0940
U0940 indicates a communication error between vehicle control modules,
U0941
DTC U0941 indicates a communication error between vehicle control modules,
U0942
DTC U0942 indicates a communication failure between the ECM and TCM.
U0943
U0943 indicates a communication failure between vehicle control modules.
U0944
DTC U0944 indicates a communication failure between the body control module a...
U0945
Indicates a communication issue between the control modules in your vehicle.
U0946
DTC U0946 indicates a communication failure between modules in your vehicle's...
U0947
U0947 indicates a communication error between vehicle control modules,
U0948
DTC U0948 signifies a communication breakdown with the Body Control Module.
U0949
U0949 indicates a communication issue between vehicle control modules.
U094A
U094A indicates a communication issue between vehicle control modules.
U094B
Indicates a communication issue between the control modules in your vehicle’s...
U094C
U094C indicates a communication issue between vehicle control modules.
U094D
U094D indicates a communication error with the hybrid control module.
U094E
The U094E code indicates a communication error between vehicle control modules.
U094F
Indicates one or more control modules in your vehicle are unable to communica...
U0950
DTC U0950 indicates a communication error between vehicle control modules.
U0951
U0951 suggests lost communication with a vehicle control module,
U0952
DTC U0952 indicates a communication failure among the vehicle's control modules.
U0953
The U0953 code indicates a lost communication with the Hybrid Powertrain Cont...
U0954
DTC U0954 indicates a communication failure within the vehicle's control modu...
U0955
DTC U0955 indicates a communication error between vehicle control modules.
U0956
U0956 signifies a communication error between vehicle control modules.
U0957
U0957 indicates a communication failure with the Hybrid Powertrain Control Mo...
U0958
U0958 indicates a communication error between vehicle control modules.
U0959
U0959 indicates a communication failure between vehicle control modules.
U095A
DTC U095A indicates a communication error between vehicle control modules.
U095B
U095B indicates a communication error between the vehicle's control modules.
U095C
U095C indicates a communication error between the Transmission Control Module...
U095D
U095D indicates a communication failure between vehicle control modules.
U095E
Indicates trouble code that signifies a communication issue between the diffe...
U095F
U095F indicates a communication issue between the powertrain control module a...
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