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 5201-5300 of 8192 total codes
U1XXX Network Communication Systems
U1450
U1450 indicates a communication issue with the Hybrid Powertrain Control Module.
U1451
U1451 denotes a communication error in the fuel level sensor circuit.
U1452
DTC U1452 indicates a communication failure between the ABS module and the ve...
U1453
U1453 refers to a communication issue with the battery voltage sensor.
U1454
DTC U1454 indicates a communication failure between vehicle control modules.
U1455
U1455 indicates a communication malfunction between vehicle control modules.
U1456
U1456 indicates a communication issue within the vehicle's data network.
U1457
U1457 indicates a communication failure between the ECM and the fuel level se...
U1458
Indicates a 'Lost Communication with Transfer Case Control Module' in vehicle...
U1459
U1459 indicates a communication error between vehicle control modules.
U145A
U145A indicates a communication problem between the vehicle's ABS and other c...
U145B
U145B indicates a communication error between the engine control module and t...
U145C
The U145C code indicates a malfunction in the left rear wheel speed sensor ci...
U145D
U145D indicates a communication failure in the vehicle's control modules.
U145E
U145E indicates a communication error in the vehicle's data bus system.
U145F
U145F indicates a communication issue between the Body Control Module and the...
U1460
DTC U1460 indicates a communication failure between control modules in your v...
U1461
U1461 indicates a communication error between the Body Control Module and oth...
U1462
DTC U1462 indicates a communication error between the ECM and a component,
U1463
DTC U1463 indicates a communication error between the body control module and...
U1464
The U1464 code signifies a communication fault in the fuel level sensor circuit.
U1465
U1465 indicates a communication error between modules in Ford and Lincoln veh...
U1466
U1466 indicates a communication issue between the Body Control Module and oth...
U1467
U1467 indicates a malfunction in the vehicle communication network affecting ...
U1468
U1468 indicates a communication error between control modules in your vehicle.
U1469
U1469 indicates a communication error within the vehicle's electronic systems...
U146A
The U146A code indicates a communication error among vehicle modules.
U146B
U146B indicates a communication error in the vehicle's CAN bus system.
U146C
The U146C code signifies a communication failure between the Body Control Mod...
U146D
U146D indicates a communication error with the body control module in Ford ve...
U146E
The U146E code indicates a communication error between vehicle modules,
U146F
U146F indicates a communication error between vehicle control modules,
U1470
U1470 indicates a communication error between vehicle modules,
U1471
U1471 indicates a communication error in the vehicle's electronic control units.
U1472
U1472 indicates a communication error between the vehicle's control modules.
U1473
U1473 indicates a communication failure between control modules in certain Ch...
U1474
DTC U1474 signifies a communication error between the instrument panel and th...
U1475
U1475 indicates a communication problem between the Body Control Module and o...
U1476
DTC U1476 indicates a communication error between the Body Control Module and...
U1477
U1477 indicates a communication error between vehicle control modules,
U1478
U1478 indicates a communication error in the vehicle's control systems.
U1479
U1479 signifies a communication error between vehicle control modules.
U147A
U147A indicates a communication issue between the PCM and BCM in Ford vehicles.
U147B
U147B indicates a communication failure between the body control module and o...
U147C
Indicates an issue with the vehicle’s communication network, specifically rel...
U147D
U147D indicates a communication failure within the Body Control Module.
U147E
U147E indicates a communication issue between the power management control mo...
U147F
U147F indicates a communication failure between the powertrain control module...
U1480
U1480 indicates a communication error within the ABS module of your vehicle.
U1481
U1481 is a communication error code indicating failure between vehicle contro...
U1482
DTC U1482 is a communication error code that indicates a problem with the veh...
U1483
U1483 indicates a communication error between the PCM and fuel pump control m...
U1484
DTC U1484 indicates a communication issue between vehicle modules,
U1485
U1485 indicates a communication failure between the Body Control Module and o...
U1486
Indicates the PCM is unable to receive or send data from the vehicle’s variou...
U1487
U1487 indicates a communication failure between the ECM and BCM in GM vehicles.
U1488
U1488 indicates a communication issue between the Body Control Module and oth...
U1489
U1489 indicates a communication issue between control modules in your vehicle.
U148A
DTC U148A signifies a communication issue between modules in your vehicle.
U148B
U148B indicates a communication issue between vehicle control modules.
U148C
U148C indicates a communication failure between vehicle modules,
U148D
U148D indicates a communication failure between the vehicle's control modules...
U148E
U148E indicates a communication issue between control modules in your vehicle.
U148F
DTC U148F indicates a communication failure between vehicle control modules.
U1490
U1490 indicates lost communication with the Vehicle Control Module (VCM),
U1491
U1491 indicates a communication issue between the hybrid powertrain control m...
U1492
DTC U1492 indicates a communication malfunction between the Body Control Modu...
U1493
U1493 indicates a communication fault between control modules in your vehicle.
U1494
U1494 indicates a communication error between control modules in your vehicle.
U1495
DTC U1495 signifies a communication failure between the VCM and TCM,
U1496
U1496 indicates a communication issue with the battery monitoring system.
U1497
U1497 indicates a communication error between vehicle control modules.
U1498
DTC U1498 signifies a communication fault in the vehicle's control modules.
U1499
U1499 indicates a communication issue between control modules in your car,
U149A
U149A indicates a communication error in the steering assist system.
U149B
U149B indicates a body control module communication issue.
U149C
U149C signifies a communication failure within the battery management system.
U149D
U149D indicates a communication issue between vehicle modules,
U149E
U149E indicates a communication problem with the steering angle sensor.
U149F
U149F indicates a communication issue between control modules related to vehi...
U14A0
U14A0 indicates a communication issue between vehicle control modules.
U14A1
Indicates there’s a loss of communication with one of the modules,
U14A2
U14A2 indicates a communication issue between the body control module and oth...
U14A3
U14A3 indicates a communication error between the BECM and other modules.
U14A4
U14A4 indicates a communication failure between the body control module and o...
U14A5
U14A5 indicates a communication issue between vehicle modules.
U14A6
U14A6 signifies a communication error between vehicle control modules,
U14A7
U14A7 signifies a communication failure between vehicle control modules.
U14A8
U14A8 indicates a communication failure between the Body Control Module and o...
U14A9
U14A9 indicates a communication failure between vehicle modules,
U14AA
U14AA indicates a communication malfunction in the vehicle's Body Control Mod...
U14AB
U14AB indicates a communication issue between the body control module and ano...
U14AC
The U14AC code signals a communication error within the vehicle's network,
U14AD
U14AD indicates a communication failure between the body control module and h...
U14AE
U14AE indicates a communication issue between the body control module and oth...
U14AF
U14AF indicates a communication error between the BCM and PCM,
U14B0
DTC U14B0 refers to a communication failure in the vehicle's electronic contr...
U14B1
U14B1 indicates a communication failure in the body control module.
U14B2
U14B2 indicates a communication problem between control modules in your vehicle.
U14B3
U14B3 indicates a communication issue between vehicle modules.
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