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 6401-6500 of 8192 total codes
U1XXX Network Communication Systems
U1900
The U1900 code indicates a communication error on the vehicle's CAN bus,
U1901
U1901 indicates a communication bus fault within the vehicle's network,
U1902
U1902 indicates a communication failure between the Body Control Module and o...
U1903
U1903 indicates a communication issue between vehicle control modules.
U1904
U1904 is a communication error between vehicle control modules,
U1905
DTC U1905 indicates a communication failure within the vehicle's network,
U1906
U1906 signifies a communication fault in vehicle network systems.
U1907
U1907 indicates a communication error in the vehicle's CAN bus system.
U1908
DTC U1908 indicates a communication error between vehicle control modules.
U1909
U1909 indicates a communication fault in the vehicle's bus system,
U190A
U190A indicates a communication issue between vehicle control modules.
U190B
U190B indicates a communication error in vehicle control modules,
U190C
U190C indicates a communication error in the vehicle's network,
U190D
U190D signifies a communication fault between control modules in your vehicle.
U190E
The U190E code indicates a communication issue within the vehicle's LIN bus s...
U190F
The U190F code indicates a communication failure between your vehicle's elect...
U1910
U1910 indicates a communication error in the vehicle's CAN bus system,
U1911
U1911 indicates a communication error within the vehicle's CAN bus system.
U1912
U1912 indicates a communication failure within the vehicle's control modules.
U1913
U1913 indicates a communication failure between the Transmission Control Modu...
U1914
DTC U1914 indicates a communication error within the vehicle's network,
U1915
U1915 indicates a communication error with the transmission control module in...
U1916
U1916 signifies a communication error between control modules in the vehicle.
U1917
U1917 indicates a communication error within the vehicle's network,
U1918
U1918 signifies a communication error in the CAN Bus system, often affecting ...
U1919
U1919 indicates a communication failure between control modules in your vehicle.
U191A
U191A indicates a communication issue between the transmission and body contr...
U191B
U191B indicates a communication issue between the transmission control module...
U191C
U191C indicates a communication error between vehicle modules.
U191D
U191D indicates a communication error in the vehicle's body control module,
U191E
DTC U191E indicates a communication fault with the ABS control module.
U191F
U191F indicates a communication issue between vehicle modules.
U1920
U1920 indicates a communication failure between vehicle control modules.
U1921
U1921 means there is a communication problem between your vehicle's control m...
U1922
U1922 indicates a communication failure between vehicle modules.
U1923
U1923 indicates a communication error between vehicle modules.
U1924
U1924 indicates a communication error between vehicle control modules.
U1925
U1925 indicates a communication failure between vehicle control modules.
U1926
DTC U1926 indicates a communication problem between vehicle control modules.
U1927
DTC U1927 indicates a communication failure between the control modules in yo...
U1928
U1928 indicates a communication error between control modules in your vehicle.
U1929
U1929 indicates a communication fault in the vehicle's network.
U192A
U192A indicates a communication error between the Body Control Module and the...
U192B
U192B signifies a communication failure in the vehicle's network.
U192C
DTC U192C indicates a communication failure on the vehicle communication bus.
U192D
The U192D code signifies a communication failure between the Body Control Mod...
U192E
U192E indicates a communication problem between the steering angle sensor and...
U192F
U192F indicates a communication error between vehicle control modules.
U1930
The U1930 code signifies a communication error within the vehicle's CAN Bus s...
U1931
U1931 indicates a communication error between control modules in your vehicle.
U1932
DTC U1932 signifies a communication failure between vehicle modules.
U1933
DTC U1933 indicates a communication issue between control modules in your veh...
U1934
U1934 indicates a communication failure between the BCM and ABS.
U1935
U1935 indicates a communication failure between control modules in your vehic...
U1936
U1936 indicates a communication issue within the vehicle's network,
U1937
DTC U1937 indicates a communication problem in the vehicle's network,
U1938
U1938 indicates a communication failure within the vehicle's network.
U1939
DTC U1939 indicates a communication error with the fuel level sensor.
U193A
U193A indicates a communication issue in the vehicle's network,
U193B
U193B indicates a communication issue in the vehicle's network.
U193C
The U193C code indicates a communication failure within the vehicle's body co...
U193D
The U193D code indicates a communication error in the vehicle’s control syste...
U193E
The U193E code indicates a communication failure within the vehicle's CAN sys...
U193F
DTC U193F signifies a communication fault in the vehicle's network,
U1940
U1940 indicates a communication failure with the ABS module, affecting safety...
U1941
DTC U1941 indicates a communication failure in the Body Control Module.
U1942
U1942 indicates a communication failure between vehicle modules,
U1943
DTC U1943 indicates a communication failure between the Body Control Module a...
U1944
U1944 indicates a communication error between vehicle modules.
U1945
U1945 indicates a loss of communication with the hybrid control module.
U1946
DTC U1946 refers to a communication error in the hybrid control module,
U1947
U1947 indicates a communication error between the transmission control module...
U1948
U1948 indicates a communication error between the body control module and oth...
U1949
U1949 indicates a communication error between vehicle control modules.
U194A
The diagnostic trouble code (DTC) U194A indicates a communication issue betwe...
U194B
Indicates a communication issue between modules in your vehicle,
U194C
U194C indicates a communication failure between vehicle control modules.
U194D
The U194D code indicates a communication issue within the vehicle's control m...
U194E
U194E signifies a communication error in the vehicle's body control module.
U194F
U194F indicates a communication failure between control modules.
U1950
U1950 indicates a communication error in the vehicle's network between electr...
U1951
U1951 indicates a communication error within the vehicle's network,
U1952
U1952 indicates a communication error among vehicle modules.
U1953
DTC U1953 indicates a communication error between the vehicle's control modules.
U1954
DTC U1954 indicates a communication issue between vehicle modules.
U1955
U1955 indicates a communication error between vehicle control modules.
U1956
U1956 signifies a communication issue between vehicle control modules.
U1957
U1957 indicates a communication fault in the vehicle's CAN bus system.
U1958
DTC U1958 signifies a communication failure within the vehicle's control modu...
U1959
U1959 indicates a communication error within the vehicle's electronic modules.
U195A
U195A indicates a communication error between vehicle control modules.
U195B
Indicates you may experience symptoms such as non-functional lights,
U195C
U195C indicates a communication error between vehicle modules.
U195D
U195D indicates a communication issue within the vehicle's data bus,
U195E
U195E indicates a communication error within the vehicle's network,
U195F
The U195F code indicates a communication failure between the Body Control Mod...
U1960
Indicates a communication issue within your vehicle's network,
U1961
U1961 indicates a communication failure between the PCM and TCM,
U1962
DTC U1962 indicates a communication error between vehicle modules,
U1963
U1963 indicates a communication issue between vehicle control modules.
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