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 5301-5400 of 8192 total codes
U1XXX Network Communication Systems
U14B4
U14B4 indicates a communication error between the vehicle's control modules,
U14B5
The U14B5 code indicates a communication issue between vehicle control modules.
U14B6
U14B6 indicates a Body Control Module communication error.
U14B7
U14B7 indicates a communication failure between the Body Control Module and o...
U14B8
U14B8 indicates a communication fault between control modules,
U14B9
U14B9 indicates a communication failure with the battery monitor module.
U14BA
U14BA indicates a communication error with the ESC module, affecting vehicle ...
U14BB
U14BB indicates a communication issue in the vehicle’s network,
U14BC
U14BC indicates a communication error in the vehicle's CAN system.
U14BD
U14BD indicates a communication error among the vehicle’s control modules.
U14BE
U14BE indicates a communication error in the vehicle's module network.
U14BF
U14BF indicates a communication fault in the vehicle's Body Control Module.
U14C0
U14C0 signifies a communication error in the Electric Power Steering system,
U14C1
U14C1 indicates a communication failure between vehicle modules.
U14C2
U14C2 indicates a communication error between the body control module and oth...
U14C3
The U14C3 diagnostic trouble code signifies a communication issue within the ...
U14C4
Indicates one or more modules within the vehicle are unable to communicate pr...
U14C5
U14C5 signifies a communication error between vehicle control modules,
U14C6
U14C6 indicates a communication error between control modules in your vehicle.
U14C7
DTC U14C7 refers to a communication issue between vehicle control modules,
U14C8
U14C8 indicates a communication issue within the vehicle's network.
U14C9
The U14C9 code indicates a communication error between vehicle control module...
U14CA
U14CA indicates a communication failure between vehicle control modules.
U14CB
Indicates and how to address it is crucial for ensuring the reliability and s...
U14CC
U14CC indicates a communication error between the Body Control Module and oth...
U14CD
U14CD indicates a communication error between your vehicle’s control modules.
U14CE
U14CE indicates a communication failure between the BCM and IPC.
U14CF
U14CF indicates a communication issue within the vehicle's CAN bus system.
U14D0
U14D0 indicates a communication error between vehicle control modules.
U14D1
U14D1 indicates a communication issue between the control modules in your veh...
U14D2
U14D2 indicates a communication failure between the body control module and o...
U14D3
The U14D3 code indicates a communication failure between the Body Control Mod...
U14D4
U14D4 indicates a communication error between control modules in your vehicle.
U14D5
U14D5 indicates a communication error between vehicle control modules.
U14D6
U14D6 signifies a communication issue between the Body Control Module and oth...
U14D7
The U14D7 code signifies a communication error between the fuel pump control ...
U14D8
U14D8 indicates a communication failure with the Body Control Module in your ...
U14D9
U14D9 indicates a communication error within the vehicle's control modules,
U14DA
U14DA indicates a communication error between vehicle modules,
U14DB
The U14DB code signifies a communication failure between the vehicle's contro...
U14DC
U14DC indicates a communication fault between vehicle control modules.
U14DD
U14DD indicates a communication failure between the Body Control Module (BCM)...
U14DE
The U14DE code signifies a communication error between control modules in you...
U14DF
U14DF indicates a communication fault between vehicle control modules.
U14E0
U14E0 indicates a communication fault within the vehicle's CAN bus system.
U14E1
U14E1 signifies a communication problem between vehicle control modules,
U14E2
U14E2 indicates a communication failure between vehicle control modules.
U14E3
U14E3 indicates a communication failure within the vehicle's control modules,...
U14E4
U14E4 indicates a communication error between your vehicle's ECM and other mo...
U14E5
U14E5 indicates a communication fault within the vehicle's Body Control Module.
U14E6
U14E6 indicates a communication failure within the vehicle's electronic modules.
U14E7
The U14E7 code indicates a communication issue between vehicle modules.
U14E8
U14E8 indicates a communication failure between control modules in your vehicle.
U14E9
U14E9 indicates a communication error between vehicle control modules.
U14EA
The U14EA code indicates a communication failure between various vehicle cont...
U14EB
U14EB indicates a communication failure within the vehicle's network,
U14EC
U14EC indicates a communication issue with the Body Control Module.
U14ED
U14ED indicates a communication failure between vehicle control modules,
U14EE
U14EE indicates a communication error between the Body Control Module (BCM) a...
U14EF
U14EF indicates a communication error between vehicle control modules,
U14F0
U14F0 is a communication error code indicating issues with the Body Control M...
U14F1
U14F1 indicates a communication issue in your vehicle's network.
U14F2
The U14F2 code indicates a communication fault between vehicle control modules.
U14F3
U14F3 means there's a communication issue between your vehicle's control modu...
U14F4
U14F4 indicates a communication error in the vehicle's electrical system,
U14F5
U14F5 indicates a communication issue between control modules,
U14F6
The U14F6 code indicates a communication error between the TPMS and other veh...
U14F7
U14F7 signifies a communication error between vehicle control modules.
U14F8
U14F8 indicates a communication issue within the vehicle's network,
U14F9
DTC U14F9 indicates a communication failure between the Instrument Cluster an...
U14FA
U14FA indicates a communication error between control modules in certain Ford...
U14FB
U14FB indicates a communication failure between electronic control units in y...
U14FC
U14FC indicates a communication issue between the body control module and oth...
U14FD
U14FD indicates a failure in communication between vehicle control modules.
U14FE
U14FE signifies a communication failure within the vehicle’s control modules.
U14FF
U14FF indicates a communication failure between vehicle modules.
U1500
Indicates your vehicle’s various computer systems are having trouble talking ...
U1501
U1501 indicates a communication error between the TCM and ECM.
U1502
U1502 indicates a communication error in vehicle control modules,
U1503
DTC U1503 indicates a fault in the communication bus, affecting data exchange...
U1504
U1504 indicates a communication error between the body control module and oth...
U1505
U1505 indicates a communication error in the CAN bus system, affecting variou...
U1506
U1506 indicates a communication error between vehicle control modules.
U1507
U1507 indicates a communication error between the Transmission Control Module...
U1508
U1508 indicates a communication failure between the TCM and ECM.
U1509
U1509 indicates a communication failure between vehicle control modules.
U150A
U150A indicates a communication error in the hybrid control module,
U150B
The U150B code indicates a communication issue within the vehicle's network,
U150C
U150C indicates a communication failure between the TCM and ECM.
U150D
U150D signals a communication error between the transmission control module a...
U150E
U150E indicates a communication error between the ECM and TCM,
U150F
U150F indicates a communication error in the vehicle's control modules.
U1510
The U1510 code signifies a communication error between the Body Control Modul...
U1511
U1511 indicates a loss of communication with the Hybrid Vehicle Control Module.
U1512
U1512 indicates a communication failure between two important control modules...
U1513
The U1513 code indicates a communication failure between the transmission con...
U1514
DTC U1514 indicates a communication fault between the Body Control Module and...
U1515
U1515 indicates a communication fault within the vehicle's electronic control...
U1516
U1516 indicates a communication failure between the transmission control modu...
U1517
DTC U1517 indicates a communication issue in the vehicle's control modules,
Page 54 of 82