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 6701-6800 of 8192 total codes
U1XXX Network Communication Systems
U1A2C
U1A2C indicates a communication issue within vehicle systems, particularly af...
U1A2D
U1A2D indicates a communication failure between vehicle control modules,
U1A2E
U1A2E indicates a communication error in the vehicle's advanced driver assist...
U1A2F
U1A2F indicates a communication failure between vehicle control modules.
U1A30
U1A30 signifies a communication error within the vehicle network,
U1A31
U1A31 indicates a communication failure between vehicle modules.
U1A32
U1A32 indicates a problem with the steering angle sensor communication.
U1A33
U1A33 indicates a communication issue between control modules in your vehicle.
U1A34
U1A34 indicates a communication failure between the vehicle's PCM and BCM,
U1A35
U1A35 indicates a communication error between vehicle control modules.
U1A36
DTC U1A36 indicates a communication error between vehicle modules,
U1A37
U1A37 indicates a communication error in the vehicle's electronic control mod...
U1A38
U1A38 indicates a communication fault between vehicle control modules.
U1A39
U1A39 indicates a communication failure between vehicle modules.
U1A3A
U1A3A indicates a communication problem between vehicle control modules.
U1A3B
U1A3B indicates a communication error within advanced driver-assistance systems.
U1A3C
The U1A3C code indicates a communication issue between control modules in you...
U1A3D
U1A3D indicates a communication issue between vehicle control modules.
U1A3E
U1A3E indicates a communication error within vehicle control modules.
U1A3F
U1A3F indicates a communication error between vehicle control modules.
U1A40
DTC U1A40 indicates a communication fault within the vehicle's electronic con...
U1A41
The U1A41 code indicates a communication issue in the vehicle's network,
U1A42
U1A42 signifies a communication error with the high voltage battery control m...
U1A43
U1A43 indicates a communication error between vehicle modules.
U1A44
U1A44 indicates a communication issue between vehicle control modules.
U1A45
U1A45 indicates a communication fault in the vehicle's CAN network.
U1A46
U1A46 indicates a communication failure between hybrid system modules.
U1A47
U1A47 indicates a communication fault between vehicle control modules.
U1A48
U1A48 indicates a communication failure in the Gateway Module of your vehicle.
U1A49
U1A49 indicates a communication issue between vehicle modules.
U1A4A
The U1A4A diagnostic trouble code (DTC) is related to communication issues wi...
U1A4B
Indicates a communication issue between the vehicle’s various electronic cont...
U1A4C
U1A4C represents a communication error between the body control module and ot...
U1A4D
U1A4D refers to a communication error between vehicle control modules.
U1A4E
DTC U1A4E indicates a communication issue among vehicle control modules.
U1A4F
U1A4F indicates a communication fault within the vehicle's network,
U1A50
U1A50 indicates a communication issue between vehicle control modules.
U1A51
U1A51 indicates a communication failure between vehicle modules,
U1A52
The U1A52 code indicates a communication fault within vehicle control modules...
U1A53
U1A53 signifies a communication error between vehicle control modules.
U1A54
DTC U1A54 indicates a communication issue within the vehicle's Integrated Con...
U1A55
DTC U1A55 indicates a communication failure among vehicle control modules.
U1A56
U1A56 indicates a communication fault between modules within the vehicle.
U1A57
DTC U1A57 indicates a communication issue between vehicle control modules.
U1A58
Indicates malfunction in the communication between various control modules,
U1A59
U1A59 indicates a communication fault in the vehicle's electronic systems.
U1A5A
U1A5A signifies a communication error between vehicle control modules,
U1A5B
U1A5B indicates a communication problem between various ECUs in your vehicle.
U1A5C
DTC U1A5C signifies a communication fault within the vehicle's network that c...
U1A5D
The U1A5D code indicates a communication bus malfunction between electronic c...
U1A5E
U1A5E indicates a communication error between vehicle modules,
U1A5F
U1A5F indicates a communication error between control modules.
U1A60
U1A60 indicates a communication issue within the vehicle's advanced driver as...
U1A61
U1A61 indicates a communication error between vehicle control modules.
U1A62
U1A62 indicates a communication error between vehicle control modules.
U1A63
U1A63 indicates a communication error within the Battery Energy Control Module.
U1A64
The U1A64 code signifies a communication error between control modules,
U1A65
U1A65 indicates a communication issue between the high voltage battery contro...
U1A66
U1A66 indicates a communication fault within vehicle systems, particularly be...
U1A67
U1A67 signifies a communication error between vehicle modules related to ADAS.
U1A68
U1A68 indicates a communication issue in the vehicle's ADAS system.
U1A69
U1A69 signifies a communication fault in the vehicle's data bus system.
U1A6A
U1A6A denotes a communication error between control modules in your vehicle.
U1A6B
The U1A6B code signals a communication issue between vehicle control units.
U1A6C
The U1A6C code refers to a communication error within Ford and Lincoln vehicl...
U1A6D
DTC U1A6D indicates a communication issue between vehicle control modules.
U1A6E
U1A6E indicates a communication error between control modules in your vehicle.
U1A6F
U1A6F indicates a communication fault between vehicle modules,
U1A70
The U1A70 code indicates a communication error in the vehicle's network,
U1A71
U1A71 indicates a communication error within the vehicle's control modules.
U1A72
U1A72 signifies a communication error between hybrid control modules.
U1A73
U1A73 indicates a communication error in the vehicle's electronic systems.
U1A74
U1A74 indicates a communication error between vehicle modules.
U1A75
U1A75 indicates a communication failure between vehicle control modules.
U1A76
U1A76 indicates a communication issue between vehicle modules.
U1A77
DTC U1A77 indicates a communication error between vehicle modules,
U1A78
U1A78 indicates a communication error between vehicle modules.
U1A79
DTC U1A79 indicates a communication error between the Body Control Module and...
U1A7A
U1A7A is a communication error code in Ford vehicles indicating a failure in ...
U1A7B
U1A7B signifies a communication issue within the vehicle’s network,
U1A7C
U1A7C indicates a communication issue within the vehicle's advanced driver-as...
U1A7D
U1A7D indicates a communication error in the vehicle's advanced driver-assist...
U1A7E
The U1A7E code indicates a communication issue within the High Speed CAN netw...
U1A7F
DTC U1A7F signifies a communication error in the vehicle's CAN system.
U1A80
U1A80 indicates a communication issue within your vehicle's electronic systems.
U1A81
DTC U1A81 indicates a communication fault within the vehicle's network,
U1A82
U1A82 indicates a communication error in the vehicle's control modules.
U1A83
U1A83 indicates a communication error between vehicle modules.
U1A84
U1A84 indicates a communication issue within the vehicle's network,
U1A85
U1A85 indicates a problem with the Advanced Driver Assistance System in your ...
U1A86
U1A86 indicates a communication failure between the PCM and BCM in your vehicle.
U1A87
U1A87 indicates a communication failure between the Body Control Module and o...
U1A88
U1A88 indicates a communication failure between vehicle control modules.
U1A89
DTC U1A89 signals a communication failure in the vehicle's driver assistance ...
U1A8A
U1A8A indicates a communication problem between vehicle control modules.
U1A8B
DTC U1A8B indicates a communication error between vehicle control modules.
U1A8C
U1A8C indicates a communication error between vehicle modules.
U1A8D
DTC U1A8D indicates a communication issue in the vehicle's control modules,
U1A8E
U1A8E indicates a communication problem between vehicle modules,
U1A8F
U1A8F indicates a communication issue within the vehicle's control modules.
Page 68 of 82