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 6101-6200 of 8192 total codes
U1XXX Network Communication Systems
U17D4
U17D4 indicates a communication error between the ECM and other modules.
U17D5
U17D5 indicates a communication issue between control modules in your vehicle.
U17D6
DTC U17D6 indicates a communication problem between the vehicle's Gateway Mod...
U17D7
U17D7 indicates a communication failure between vehicle modules,
U17D8
U17D8 indicates a communication error within your vehicle's control modules,
U17D9
U17D9 indicates a communication failure in your vehicle's network,
U17DA
U17DA indicates a communication fault between vehicle control modules.
U17DB
U17DB indicates a communication failure between the Body Control Module (BCM)...
U17DC
The U17DC diagnostic trouble code (DTC) indicates a communication issue withi...
U17DD
U17DD indicates a communication issue between vehicle control modules.
U17DE
U17DE indicates a communication failure between modules in your vehicle.
U17DF
The U17DF code indicates a communication problem with the vehicle's CAN bus s...
U17E0
U17E0 is a communication error code indicating issues between vehicle control...
U17E1
U17E1 indicates a communication error between vehicle control modules.
U17E2
U17E2 indicates a communication error between vehicle modules,
U17E3
U17E3 indicates a communication failure in the vehicle's electronic control m...
U17E4
DTC U17E4 refers to a communication failure between vehicle modules.
U17E5
U17E5 indicates a communication error between vehicle control modules.
U17E6
U17E6 indicates a communication error between vehicle control modules.
U17E7
U17E7 indicates a communication error between vehicle modules,
U17E8
U17E8 indicates a communication error in the vehicle's electronic control mod...
U17E9
DTC U17E9 indicates a communication error within the vehicle's CAN bus system.
U17EA
U17EA indicates a communication error between vehicle control modules,
U17EB
The U17EB code indicates a communication failure between the Body Control Mod...
U17EC
U17EC signifies a communication issue between vehicle control modules.
U17ED
The U17ED code indicates a communication error between modules in your vehicle.
U17EE
U17EE indicates a communication error in the vehicle's network related to the...
U17EF
U17EF indicates a communication error within the vehicle's Body Control Module.
U17F0
U17F0 indicates a communication failure within the vehicle's control modules.
U17F1
U17F1 indicates a communication fault among vehicle modules, particularly in ...
U17F2
U17F2 indicates a failure in communication between vehicle modules.
U17F3
U17F3 indicates a communication problem in your vehicle's electrical network.
U17F4
U17F4 indicates a communication error between vehicle control modules.
U17F5
U17F5 indicates a communication failure between vehicle control modules,
U17F6
DTC U17F6 indicates a communication failure between the vehicle's control mod...
U17F7
U17F7 indicates a communication failure between vehicle control modules.
U17F8
U17F8 indicates a communication failure between vehicle modules,
U17F9
U17F9 indicates a communication failure between the ECM and BECM,
U17FA
U17FA indicates a communication failure between vehicle control modules.
U17FB
U17FB indicates a communication issue between vehicle modules,
U17FC
U17FC indicates a communication issue between vehicle modules.
U17FD
The U17FD code indicates a communication error between vehicle modules,
U17FE
U17FE indicates a communication failure between vehicle control modules.
U17FF
U17FF indicates a communication issue between the BCM and other vehicle modules.
U1800
DTC U1800 indicates a communication error between control modules in your veh...
U1801
U1801 indicates a communication issue between vehicle modules.
U1802
U1802 indicates a communication error in the CAN bus network of your vehicle.
U1803
U1803 indicates a communication failure within the vehicle's CAN bus system.
U1804
U1804 indicates a communication malfunction between control modules.
U1805
U1805 indicates a communication failure between vehicle control modules.
U1806
U1806 indicates a communication error with the transmission control module.
U1807
U1807 indicates a communication error between vehicle control modules.
U1808
U1808 indicates a communication error between control modules in your vehicle.
U1809
U1809 indicates a communication error between vehicle control modules.
U180A
U180A indicates a communication failure among the vehicle's control modules.
U180B
U180B indicates a communication error in the vehicle's control modules.
U180C
U180C indicates a communication error between control modules,
U180D
The U180D code signifies a communication error between vehicle control modules.
U180E
U180E indicates a communication issue between control modules in your vehicle.
U180F
U180F indicates a communication error between vehicle control modules.
U1810
U1810 signifies a communication error between control modules,
U1811
U1811 indicates a communication error between vehicle control modules.
U1812
Indicates nd repair crucial for maintaining vehicle performance.
U1813
U1813 indicates a communication fault between the transmission control module...
U1814
U1814 indicates a communication error between the Transmission Control Module...
U1815
U1815 indicates a communication failure between the transmission control modu...
U1816
U1816 indicates a communication failure between the transmission control modu...
U1817
U1817 indicates a communication error between vehicle control modules.
U1818
DTC U1818 signifies a communication issue between the TCM and ECM in your veh...
U1819
U1819 indicates a communication error between vehicle control modules.
U181A
U181A indicates a communication failure between the transmission control modu...
U181B
The U181B code indicates a communication issue within the vehicle's transmiss...
U181C
U181C signifies a communication fault within the vehicle's control modules.
U181D
U181D indicates a communication fault between the transmission control module...
U181E
U181E indicates a communication error between the TCM and ECM.
U181F
U181F indicates a communication issue between control modules in your vehicle...
U1820
U1820 indicates a communication problem between vehicle modules.
U1821
DTC U1821 indicates a communication error between control modules.
U1822
U1822 indicates a communication fault within the vehicle's electronic systems.
U1823
U1823 indicates a communication error between vehicle modules.
U1824
U1824 indicates a communication malfunction among vehicle control modules,
U1825
U1825 indicates a communication failure in the vehicle's network,
U1826
Indicates the Engine Control Module (ECM) is unable to communicate with the B...
U1827
U1827 indicates a communication error between vehicle control modules.
U1828
U1828 indicates a communication error in the vehicle's control modules.
U1829
The U1829 code signifies a communication failure between the body control mod...
U182A
U182A indicates a communication failure between vehicle control modules,
U182B
DTC U182B signifies a communication error between vehicle control modules,
U182C
U182C indicates a communication issue between vehicle control modules.
U182D
The U182D code indicates a communication issue between vehicle modules,
U182E
U182E indicates a communication failure between vehicle control modules.
U182F
U182F indicates a communication error between vehicle modules.
U1830
U1830 indicates a communication error between vehicle control modules.
U1831
U1831 indicates a communication error between vehicle control modules.
U1832
U1832 indicates a communication fault in the vehicle's control modules.
U1833
DTC U1833 points to a communication error between the body control module and...
U1834
DTC U1834 indicates a communication failure between the Body Control Module a...
U1835
U1835 indicates a communication error between the body control module and oth...
U1836
U1836 indicates a communication error between control modules in your vehicle.
U1837
DTC U1837 signifies a communication error between control modules in your veh...
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