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 2101-2200 of 4097 total codes
U0XXX Network Communication Systems
U0834
U0834 indicates a loss of communication with the vehicle control module,
U0835
U0835 signifies a lost communication with a specific vehicle control module,
U0836
U0836 indicates a communication failure between vehicle control modules.
U0837
U0837 indicates a communication failure between the vehicle control module an...
U0838
U0838 signifies a communication error between vehicle control modules.
U0839
U0839 signifies a communication problem between control modules in your vehicle.
U083A
U083A indicates a communication error between the Body Control Module and Ins...
U083B
DTC U083B indicates a communication failure between vehicle control modules.
U083C
DTC U083C indicates a fault in the communication from the steering angle sensor.
U083D
U083D indicates a communication failure between control modules in your vehicle.
U083E
U083E indicates a communication problem between control modules in the vehicle.
U083F
U083F indicates a communication error between vehicle modules related to the ...
U0840
DTC U0840 indicates a communication failure between control modules in your v...
U0841
DTC U0841 indicates a communication fault between the engine control module a...
U0842
U0842 indicates a communication error between the vehicle's control modules,
U0843
U0843 indicates lost communication with the Body Control Module,
U0844
U0844 indicates a communication issue between control modules,
U0845
DTC U0845 indicates a communication error between vehicle control modules.
U0846
U0846 indicates a communication error between vehicle control modules.
U0847
U0847 indicates a communication issue between the steering angle sensor and t...
U0848
DTC U0848 indicates a communication issue between control modules in your veh...
U0849
U0849 indicates a communication error between the control modules in the vehi...
U084A
U084A indicates a communication issue between vehicle control modules,
U084B
U084B indicates a communication error between the Body Control Module and Eng...
U084C
U084C indicates a loss of communication between control modules in your vehicle.
U084D
U084D indicates a communication problem between vehicle control modules.
U084E
DTC U084E indicates a communication issue between vehicle control modules.
U084F
U084F indicates a communication issue between control modules,
U0850
U0850 signifies a communication failure among vehicle control modules.
U0851
U0851 indicates a communication error within the vehicle's network.
U0852
U0852 indicates a communication error between vehicle modules.
U0853
U0853 indicates a communication error between vehicle control modules.
U0854
U0854 indicates a loss of communication with one of your vehicle's control mo...
U0855
U0855 indicates a communication failure between vehicle modules.
U0856
U0856 is a communication error between vehicle control modules,
U0857
U0857 signifies a communication failure between vehicle control modules.
U0858
Indicates there is a loss of communication with the Accessory Protocol Module...
U0859
U0859 signifies a communication breakdown between vehicle control modules.
U085A
The U085A code represents a communication fault between vehicle control modules.
U085B
U085B indicates a communication failure between vehicle control modules,
U085C
U085C indicates a communication issue between control modules,
U085D
U085D is a diagnostic trouble code indicating loss of communication between c...
U085E
DTC U085E signifies a communication error between vehicle modules,
U085F
U085F indicates a loss of communication with a vehicle control module,
U0860
U0860 signifies a failure in communication between vehicle control modules,
U0861
U0861 indicates a communication failure between vehicle control modules.
U0862
U0862 signifies a communication error between vehicle modules,
U0863
U0863 indicates a communication failure between control modules.
U0864
U0864 indicates a communication error between vehicle control modules.
U0865
U0865 indicates a communication error between control modules in your vehicle.
U0866
U0866 indicates a communication error between control modules,
U0867
U0867 indicates a communication error between control modules in your vehicle.
U0868
U0868 indicates a communication problem in the vehicle's network,
U0869
DTC U0869 indicates a communication link failure between the vehicle's contro...
U086A
U086A indicates a communication error in the vehicle's network due to a malfu...
U086B
U086B indicates a communication error between control modules.
U086C
U086C indicates a communication error between vehicle control modules.
U086D
U086D indicates a communication issue between vehicle control modules.
U086E
U086E indicates a communication issue between control modules in your vehicle.
U086F
U086F indicates a communication issue between vehicle control modules,
U0870
U0870 indicates a loss of communication with the Body Control Module,
U0871
U0871 indicates a communication issue between vehicle control modules.
U0872
U0872 indicates a communication failure in the vehicle's network,
U0873
Indicates a communication issue between two or more control modules within th...
U0874
U0874 indicates a communication error with the steering column control module.
U0875
DTC U0875 indicates a communication issue between vehicle control modules.
U0876
DTC U0876 refers to a communication error in the vehicle's control modules.
U0877
U0877 indicates a communication failure between the ECM and the steering cont...
U0878
DTC U0878 signifies a communication error between vehicle control modules.
U0879
U0879 indicates a lost communication link between vehicle control modules.
U087A
U087A indicates a communication failure between vehicle control modules.
U087B
U087B indicates a communication failure between vehicle control modules.
U087C
DTC U087C signifies a communication failure between vehicle control modules.
U087D
U087D indicates a communication error between vehicle control modules.
U087E
Indicates a communication error with the steering column control module.
U087F
Indicates there is a communication issue between the vehicle's Engine Control...
U0880
U0880 indicates a communication error between vehicle control modules,
U0881
U0881 indicates a communication failure between control modules in your vehicle.
U0882
U0882 signifies a communication error among vehicle control modules.
U0883
U0883 signifies a communication error with Control Module A, affecting vehicl...
U0884
Indicates a communication failure within the vehicle's network,
U0885
U0885 indicates a communication error between vehicle control modules.
U0886
DTC U0886 signifies a communication failure between the vehicle's control mod...
U0887
DTC U0887 indicates a communication issue between the vehicle's control modules.
U0888
DTC U0888 represents a communication malfunction between control modules in y...
U0889
U0889 indicates a communication failure among vehicle control modules.
U088A
U088A indicates a loss of communication with a vehicle communication interface.
U088B
U088B indicates a communication failure between vehicle modules.
U088C
The U088C code signifies a communication error between control modules in you...
U088D
U088D indicates a communication failure between vehicle control modules.
U088E
U088E signifies a communication error between vehicle modules,
U088F
U088F is a communication error between vehicle control modules,
U0890
U0890 signifies a communication error between vehicle control modules.
U0891
U0891 indicates a communication failure within the vehicle's network.
U0892
U0892 indicates a communication error between the vehicle's control modules.
U0893
DTC U0893 indicates a communication failure between vehicle control modules.
U0894
U0894 signifies a communication failure between vehicle control modules.
U0895
U0895 indicates a communication issue within the vehicle's CAN bus system.
U0896
U0896 indicates a communication error between vehicle control modules.
U0897
U0897 indicates a communication error in the vehicle's data network.
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