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 401-500 of 4097 total codes
U0XXX Network Communication Systems
U0190
U0190 indicates a communication failure between control modules in your vehicle.
U0191
DTC U0191 signifies a communication failure between the ECM and VDCM,
U0192
U0192 signifies a communication error between vehicle control modules.
U0193
U0193 indicates a communication failure between the vehicle's control module ...
U0194
U0194 indicates a communication problem with the fuel level sensor.
U0195
U0195 means there's a communication problem between the ECM and BCM.
U0196
DTC U0196 is a communication error code indicating that the PCM is not receiv...
U0197
U0197 indicates a communication failure between the ECM and the fuel pump con...
U0198
U0198 indicates a communication failure with the fuel pump control module.
U0199
U0199 signifies a communication failure between the ECM and BCM in your vehicle.
U019A
U019A indicates a communication failure in the electric power steering system.
U019B
U019B signifies a communication failure between the Body Control Module and o...
U019C
U019C means there is a communication breakdown with one or more vehicle modules.
U019D
U019D indicates a communication error between vehicle control modules,
U019E
DTC U019E signals a communication failure between the Engine Control Module a...
U019F
U019F indicates a communication failure with the Body Control Module,
U01A0
U01A0 signifies a communication error between vehicle modules,
U01A1
The U01A1 code signifies a communication error between control modules in you...
U01A2
U01A2 indicates a communication error between control modules in your vehicle.
U01A3
U01A3 indicates a communication error between vehicle control modules.
U01A4
U01A4 indicates a communication fault between the TCM and ECM.
U01A5
U01A5 indicates a communication error between vehicle control modules.
U01A6
U01A6 indicates a communication error in the vehicle's network,
U01A7
U01A7 signals a communication issue within the electric power steering system.
U01A8
U01A8 indicates a communication error in the vehicle's control modules,
U01A9
U01A9 refers to a communication error between vehicle control modules,
U01AA
U01AA indicates a communication issue within vehicle modules, affecting funct...
U01AB
U01AB indicates a communication error between vehicle control modules.
U01AC
U01AC indicates a communication error in the vehicle's control modules.
U01AD
U01AD indicates a communication error between the vehicle's control modules.
U01AE
U01AE indicates a communication error in hybrid vehicle control systems.
U01AF
DTC U01AF indicates a communication error in the vehicle's network,
U01B0
The U01B0 code indicates a communication error between vehicle modules.
U01B1
U01B1 indicates a communication failure between control modules in your vehicle.
U01B2
U01B2 indicates a communication issue between vehicle control modules.
U01B3
U01B3 signifies a communication failure between vehicle control modules,
U01B4
U01B4 indicates a communication fault between vehicle control modules.
U01B5
U01B5 signifies a communication issue between vehicle control modules.
U01B6
U01B6 is a communication error code indicating issues between the TCM and oth...
U01B7
U01B7 indicates a communication issue between vehicle control modules.
U01B8
U01B8 indicates a communication failure within the vehicle's control modules.
U01B9
U01B9 signifies a communication error between vehicle control modules.
U01BA
U01BA indicates a communication issue with the vehicle's control modules.
U01BB
U01BB indicates a communication error between the body control module and the...
U01BC
U01BC signifies a communication error between control modules.
U01BD
U01BD indicates an unrecognized communication error between vehicle modules.
U01BE
U01BE indicates a communication issue between vehicle control modules.
U01BF
The U01BF code indicates a communication failure between vehicle control modu...
U01C0
U01C0 indicates a communication failure between vehicle control modules.
U01C1
U01C1 indicates a communication problem between the PCM and TCM in your vehicle.
U01C2
U01C2 indicates a communication malfunction between vehicle control modules.
U01C3
U01C3 indicates a communication error within the vehicle's network system.
U01C4
U01C4 signifies a communication error between control modules in the vehicle'...
U01C5
DTC U01C5 indicates a communication issue between vehicle control modules.
U01C6
The U01C6 code signifies a communication issue between the ADAS control modul...
U01C7
U01C7 indicates a communication failure within the vehicle's network,
U01C8
U01C8 indicates a communication error between vehicle control modules.
U01C9
U01C9 indicates a communication failure in the Electric Power Steering system.
U01CA
DTC U01CA indicates a communication error in the vehicle's control modules.
U01CB
U01CB refers to a communication fault in the vehicle's control modules.
U01CC
U01CC indicates a communication failure between control modules in your vehicle.
U01CD
U01CD indicates a communication failure between control modules,
U01CE
U01CE signifies a communication fault in the vehicle's CAN Bus system.
U01CF
U01CF signifies a communication error between control modules in your vehicle.
U01D0
U01D0 indicates a communication error between vehicle modules.
U01D1
U01D1 signifies a communication issue between vehicle control modules.
U01D2
U01D2 indicates a communication error between vehicle control modules.
U01D3
U01D3 indicates a communication failure between control modules in your vehic...
U01D4
U01D4 indicates a communication failure in the vehicle's control modules.
U01D5
U01D5 indicates a communication error in the vehicle's network.
U01D6
U01D6 indicates a communication fault in the vehicle's network,
U01D7
U01D7 indicates a communication failure between control modules in your vehicle.
U01D8
U01D8 signifies a communication fault in the CAN bus network of your vehicle.
U01D9
DTC U01D9 indicates a communication error in the vehicle's CAN bus system.
U01DA
U01DA indicates a communication issue between vehicle control modules.
U01DB
The U01DB code indicates a communication issue between vehicle modules,
U01DC
U01DC indicates a communication issue between control modules in your vehicle.
U01DD
The U01DD code indicates a communication failure between vehicle control modu...
U01DE
U01DE signifies a communication error between control modules in your vehicle.
U01DF
U01DF signifies a communication fault within the vehicle's control modules.
U01E0
U01E0 indicates a communication error in hybrid systems.
U01E1
The U01E1 code indicates a communication failure between control modules in y...
U01E2
U01E2 indicates a communication issue between control modules in your vehicle.
U01E3
U01E3 indicates a communication error within the vehicle's control module net...
U01E4
DTC U01E4 indicates a communication failure within the vehicle's network,
U01E5
U01E5 indicates a communication failure between control modules.
U01E6
U01E6 indicates a communication error in the vehicle's network,
U01E7
U01E7 indicates a communication error between vehicle control modules.
U01E8
DTC U01E8 indicates a communication failure between vehicle control modules.
U01E9
U01E9 indicates a communication fault between vehicle control modules,
U01EA
U01EA indicates a communication error between vehicle control modules.
U01EB
U01EB indicates a communication error between vehicle electronic modules.
U01EC
U01EC indicates a communication error between vehicle control modules.
U01ED
U01ED indicates a communication failure between the PCM and other modules.
U01EE
U01EE indicates a communication failure between vehicle control modules.
U01EF
U01EF indicates a communication issue within the vehicle's network.
U01F0
U01F0 indicates a communication issue among vehicle control modules.
U01F1
The U01F1 code indicates a communication failure within the vehicle's network.
U01F2
U01F2 indicates a communication failure in the vehicle's CAN bus system.
U01F3
U01F3 indicates a communication fault in the electric power steering system.
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