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 5101-5200 of 8192 total codes
U1XXX Network Communication Systems
U13EC
The U13EC code indicates a communication fault in the vehicle's network,
U13ED
U13ED indicates a communication error between vehicle modules,
U13EE
U13EE indicates a communication fault in the electric power steering system.
U13EF
DTC U13EF indicates a communication failure with the electric power steering ...
U13F0
U13F0 indicates a communication error between vehicle control modules.
U13F1
The U13F1 code signals a communication error between vehicle modules,
U13F2
U13F2 indicates a communication error between vehicle control modules.
U13F3
The U13F3 code indicates a communication issue between the Body Control Modul...
U13F4
U13F4 indicates a communication bus fault in the vehicle's network.
U13F5
U13F5 indicates a communication error in the vehicle's control modules.
U13F6
U13F6 indicates a communication failure between vehicle control modules.
U13F7
U13F7 indicates a network communication issue between vehicle control modules.
U13F8
U13F8 indicates a communication error in the vehicle's control modules.
U13F9
U13F9 indicates a communication failure in vehicle control modules.
U13FA
U13FA indicates a communication error between vehicle control modules,
U13FB
DTC U13FB indicates a communication failure between the Body Control Module a...
U13FC
U13FC indicates a communication issue in the high-speed CAN circuit.
U13FD
U13FD indicates a communication issue between vehicle control modules.
U13FE
The U13FE code indicates a communication failure between vehicle control modu...
U13FF
U13FF indicates a communication error in the vehicle's electronic control mod...
U1400
U1400 indicates a communication error in the vehicle's CAN system.
U1401
U1401 indicates a communication error between vehicle control modules related...
U1402
U1402 indicates a malfunction in the vehicle speed sensor circuit,
U1403
The U1403 diagnostic trouble code indicates that the vehicle's control module...
U1404
The U1404 diagnostic trouble code indicates a problem with the communication ...
U1405
U1405 indicates a communication error between vehicle modules,
U1406
U1406 indicates a communication error between vehicle control modules,
U1407
U1407 indicates a communication error between control modules,
U1408
U1408 indicates a communication error within the vehicle's control modules.
U1409
U1409 indicates a communication malfunction in the vehicle's ABS system.
U140A
U140A indicates a communication issue between vehicle control modules,
U140B
U140B indicates a communication error between the PCM and TCM,
U140C
DTC U140C signifies a communication error between the Transmission Control Mo...
U140D
U140D indicates a communication failure between the Transmission Control Modu...
U140E
U140E indicates a communication issue between control modules,
U140F
U140F signifies a communication issue between the TCM and ECM,
U1410
U1410 indicates an invalid data signal from a control module.
U1411
U1411 indicates invalid data received from the Transmission Control Module (T...
U1412
DTC U1412 indicates an invalid signal from the ABS module, affecting vehicle ...
U1413
U1413 indicates a communication error between the ABS module and the PCM.
U1414
U1414 indicates a communication error among vehicle control modules,
U1415
DTC U1415 indicates a communication fault among vehicle control modules.
U1416
U1416 indicates a communication malfunction between vehicle control modules.
U1417
DTC U1417 indicates a communication error between control modules in your veh...
U1418
U1418 indicates a communication error between vehicle control modules,
U1419
U1419 indicates a low-speed CAN communication issue within your vehicle's sys...
U141A
U141A indicates a communication issue within the vehicle's network,
U141B
DTC U141B indicates a communication issue between vehicle control modules.
U141C
U141C indicates a communication issue between the transmission control module...
U141D
U141D indicates a communication fault within the vehicle's control modules.
U141E
U141E indicates invalid data from the ABS module to the ECM.
U141F
U141F indicates a communication issue within the vehicle's hybrid control mod...
U1420
U1420 means invalid data is received from the Vehicle Dynamics Control Module...
U1421
U1421 indicates invalid data received from the vehicle's communication network.
U1422
DTC U1422 indicates an issue with communication between the control modules i...
U1423
Indicates the vehicle's onboard diagnostic system has detected an issue with ...
U1424
DTC U1424 indicates a communication issue in the vehicle's body control module.
U1425
The U1425 code indicates invalid data received from the Transmission Control ...
U1426
U1426 indicates a communication error between vehicle modules,
U1427
U1427 indicates invalid data received from a vehicle communication module.
U1428
U1428 indicates a communication error between the body control module and oth...
U1429
DTC U1429 indicates a communication error with the ABS module,
U142A
U142A indicates a communication error between vehicle modules.
U142B
U142B indicates a communication issue between the Body Control Module and the...
U142C
U142C indicates invalid data received from the vehicle's communication network.
U142D
U142D indicates a communication failure between the Battery Energy Control Mo...
U142E
The diagnostic trouble code (DTC) U142E relates to a communication error betw...
U142F
U142F indicates a communication fault between the body control module and oth...
U1430
U1430 signifies a communication error between the vehicle's control modules.
U1431
U1431 indicates a communication error between vehicle modules.
U1432
The U1432 code indicates a communication error related to the steering angle ...
U1433
U1433 signifies a communication error in the vehicle's control modules.
U1434
U1434 indicates a failure in the vehicle's communication network between cont...
U1435
U1435 indicates a communication error between vehicle control modules.
U1436
U1436 is a communication error between vehicle control modules.
U1437
U1437 indicates a communication error in the vehicle's CAN network,
U1438
The U1438 code signifies a control module communication error,
U1439
DTC U1439 indicates a communication error between vehicle control modules.
U143A
The U143A code signifies a communication error between vehicle control modules.
U143B
U143B indicates a communication error within the vehicle's network,
U143C
U143C indicates a communication issue with the ABS module.
U143D
U143D indicates a communication issue between vehicle modules.
U143E
The U143E code indicates a communication failure between vehicle control modu...
U143F
U143F indicates a communication issue within the vehicle's LIN bus,
U1440
The U1440 code indicates a communication failure between vehicle control modu...
U1441
U1441 indicates a communication error between the vehicle's control modules.
U1442
U1442 indicates a communication error within the vehicle's ABS module.
U1443
U1443 indicates a communication error between vehicle control modules.
U1444
U1444 indicates an issue with communication between the vehicle's ECU and the...
U1445
U1445 indicates a communication fault between vehicle control modules.
U1446
U1446 indicates a communication error within the vehicle's control modules.
U1447
U1447 indicates a communication error in the vehicle's anti-lock braking or t...
U1448
The U1448 code indicates a communication failure in the electric power steeri...
U1449
DTC U1449 signifies a communication issue between the ECM and ABS module,
U144A
U144A indicates a communication issue between vehicle control modules.
U144B
U144B indicates a communication error between the vehicle's control modules,
U144C
U144C indicates a communication error in the vehicle's control modules,
U144D
U144D indicates a communication problem between vehicle control modules.
U144E
U144E indicates a communication fault between vehicle control modules.
U144F
U144F indicates a communication failure between the vehicle's control modules...
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