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 6801-6900 of 8192 total codes
U1XXX Network Communication Systems
U1A90
DTC U1A90 indicates a failure in the vehicle's communication network,
U1A91
U1A91 signifies a communication fault in the ADAS network.
U1A92
U1A92 indicates a communication failure between vehicle control modules.
U1A93
U1A93 indicates a communication error between vehicle control modules.
U1A94
U1A94 indicates a communication issue between the vehicle's body control modu...
U1A95
U1A95 indicates a communication error in the vehicle's network,
U1A96
U1A96 indicates a communication fault between control units in your vehicle.
U1A97
U1A97 signifies a communication error between vehicle control modules,
U1A98
U1A98 indicates a communication issue in your vehicle's network,
U1A99
U1A99 indicates a communication failure between control modules in your vehicle.
U1A9A
U1A9A indicates a communication error between vehicle control modules.
U1A9B
U1A9B indicates a communication error between control modules.
U1A9C
U1A9C indicates a communication issue in the vehicle's electronic systems.
U1A9D
U1A9D indicates a communication failure between vehicle control modules.
U1A9E
U1A9E indicates a communication error between modules in your vehicle's network.
U1A9F
U1A9F indicates a communication error among vehicle control modules.
U1AA0
The U1AA0 code is a manufacturer-specific diagnostic trouble code that genera...
U1AA1
U1AA1 indicates a communication error in the vehicle's network.
U1AA2
U1AA2 indicates a communication error with the battery management system.
U1AA3
U1AA3 signifies a communication error within the vehicle's network,
U1AA4
DTC U1AA4 indicates a communication issue within the vehicle's body control m...
U1AA5
U1AA5 indicates a communication error between vehicle control modules.
U1AA6
U1AA6 indicates a communication fault within the vehicle's data communication...
U1AA7
U1AA7 indicates a communication failure within the Advanced Driver Assistance...
U1AA8
U1AA8 indicates a communication issue within the vehicle's control modules.
U1AA9
DTC U1AA9 indicates a communication problem within the vehicle's network rela...
U1AAA
U1AAA indicates a communication fault in the vehicle's advanced systems.
U1AAB
U1AAB indicates a communication problem in the vehicle's electronic systems.
U1AAC
U1AAC indicates a communication failure between vehicle modules,
U1AAD
U1AAD indicates a communication issue between vehicle modules.
U1AAE
The U1AAE code indicates a communication error between control modules in you...
U1AAF
U1AAF indicates a communication issue among vehicle control modules.
U1AB0
U1AB0 indicates a communication failure within the vehicle's control modules,...
U1AB1
U1AB1 indicates a communication error in the vehicle's advanced driver-assist...
U1AB2
U1AB2 indicates a communication fault in the vehicle's body control module.
U1AB3
U1AB3 indicates a communication error in the vehicle's electronic control mod...
U1AB4
DTC U1AB4 indicates a communication failure with the Vehicle Control Module.
U1AB5
U1AB5 indicates a communication error between vehicle control modules.
U1AB6
U1AB6 indicates a communication problem within the vehicle's ADAS control mod...
U1AB7
U1AB7 indicates a communication error with the body control module.
U1AB8
U1AB8 indicates a communication issue in the vehicle's network,
U1AB9
U1AB9 indicates a communication signal issue between vehicle modules,
U1ABA
U1ABA indicates a communication fault in the body control module network.
U1ABB
U1ABB indicates a communication problem between the vehicle's control modules.
U1ABC
U1ABC indicates a communication failure between vehicle control modules.
U1ABD
U1ABD indicates a communication error in the vehicle's network,
U1ABE
The U1ABE diagnostic trouble code (DTC) indicates a communication error betwe...
U1ABF
U1ABF indicates a communication issue between vehicle control modules.
U1AC0
U1AC0 indicates a communication error between vehicle control modules.
U1AC1
U1AC1 indicates a communication error among the vehicle's control modules.
U1AC2
DTC U1AC2 indicates a communication failure in the vehicle's ADAS systems.
U1AC3
DTC U1AC3 refers to a communication error in the vehicle's data bus system.
U1AC4
U1AC4 indicates a communication error within the vehicle's network,
U1AC5
The U1AC5 code indicates a communication failure with the steering angle sensor.
U1AC6
U1AC6 indicates a communication malfunction in your vehicle's system.
U1AC7
U1AC7 indicates a communication error within the vehicle's advanced driver as...
U1AC8
U1AC8 signifies a communication issue between vehicle control units,
U1AC9
U1AC9 indicates a communication fault within your vehicle's electronic contro...
U1ACA
U1ACA signifies a communication error within the vehicle’s network,
U1ACB
U1ACB indicates a communication issue within advanced driver-assistance systems.
U1ACC
U1ACC indicates a malfunction in the Advanced Driver Assistance System,
U1ACD
The U1ACD code indicates a malfunction in vehicle communication systems relat...
U1ACE
U1ACE indicates a communication fault in the vehicle's Advanced Driver Assist...
U1ACF
U1ACF indicates a communication failure in the vehicle's ADAS systems.
U1AD0
U1AD0 indicates a communication issue between vehicle control modules.
U1AD1
U1AD1 indicates a communication error within the vehicle’s control systems.
U1AD2
U1AD2 indicates a communication issue within the ADAS of the vehicle.
U1AD3
The U1AD3 code indicates a communication issue within the vehicle's control m...
U1AD4
The U1AD4 code signifies a communication issue within the battery management ...
U1AD5
Indicates an issue with the vehicle's communication network, specifically rel...
U1AD6
U1AD6 indicates a communication issue among vehicle control modules.
U1AD7
U1AD7 indicates a communication issue among vehicle modules.
U1AD8
U1AD8 indicates a communication fault in your vehicle's electronic control un...
U1AD9
DTC U1AD9 signifies a communication issue within the vehicle's modules,
U1ADA
U1ADA indicates a fault in the Advanced Driver Assistance Systems,
U1ADB
U1ADB indicates a communication failure within the vehicle's body control mod...
U1ADC
U1ADC indicates a communication issue between vehicle modules.
U1ADD
The U1ADD code indicates a communication problem between vehicle control modu...
U1ADE
U1ADE indicates a communication fault in the battery management system.
U1ADF
U1ADF indicates a communication error between vehicle electronic modules.
U1AE0
U1AE0 indicates a communication failure in the battery management system.
U1AE1
U1AE1 indicates a communication error within the vehicle's control modules.
U1AE2
U1AE2 indicates a communication issue within the vehicle's electronic control...
U1AE3
The U1AE3 code indicates a fault in the vehicle's electronic control module c...
U1AE4
U1AE4 indicates a communication error between vehicle control units.
U1AE5
The U1AE5 code indicates a malfunction in the Advanced Driver Assistance System.
U1AE6
DTC U1AE6 indicates a communication issue between the body control module and...
U1AE7
The diagnostic trouble code (DTC) U1AE7 indicates a communication issue withi...
U1AE8
U1AE8 indicates a communication issue within the vehicle's advanced driver as...
U1AE9
The U1AE9 code indicates a communication error in the vehicle's CAN bus network.
U1AEA
U1AEA indicates a communication fault between vehicle modules,
U1AEB
The U1AEB diagnostic trouble code (DTC) is a network communication error in v...
U1AEC
U1AEC indicates a communication error in the vehicle's control modules,
U1AED
DTC U1AED indicates a communication issue with a vehicle control module.
U1AEE
U1AEE indicates a communication error between vehicle modules.
U1AEF
U1AEF indicates a communication failure between vehicle control modules.
U1AF0
U1AF0 signifies a communication error between vehicle control modules.
U1AF1
U1AF1 indicates a communication problem between the vehicle's computer and th...
U1AF2
U1AF2 indicates a communication error between vehicle control modules.
U1AF3
U1AF3 indicates a communication issue within the vehicle's control systems.
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