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 7501-7600 of 8192 total codes
U1XXX Network Communication Systems
U1D4C
DTC U1D4C indicates a communication fault within the vehicle's electronic sys...
U1D4D
U1D4D indicates a communication failure between vehicle control modules.
U1D4E
U1D4E indicates a communication error between vehicle control modules.
U1D4F
U1D4F indicates a communication issue between vehicle control modules.
U1D50
U1D50 indicates a communication issue within the vehicle's network.
U1D51
U1D51 indicates a communication error in the vehicle's network,
U1D52
Indicates communication error that typically arises in modern vehicles equipp...
U1D53
U1D53 indicates a communication error between vehicle control modules.
U1D54
U1D54 indicates a communication fault within the vehicle's electronic control...
U1D55
U1D55 indicates a communication error between the high voltage battery contro...
U1D56
U1D56 indicates a communication error between the body control module and oth...
U1D57
U1D57 indicates a communication error between vehicle control modules.
U1D58
U1D58 indicates a communication issue in the vehicle's control modules,
U1D59
U1D59 signifies a communication failure between vehicle modules.
U1D5A
U1D5A indicates a communication issue within your vehicle's electronic system...
U1D5B
U1D5B indicates a communication error between the body control module and oth...
U1D5C
U1D5C indicates a communication error in the vehicle's control modules.
U1D5D
DTC U1D5D indicates a malfunction in the vehicle's communication network,
U1D5E
U1D5E indicates a communication issue between vehicle modules,
U1D5F
U1D5F is a communication error between the powertrain control module and othe...
U1D60
U1D60 indicates a communication error between vehicle modules.
U1D61
U1D61 indicates a communication issue between vehicle modules.
U1D62
DTC U1D62 indicates a communication error between vehicle control modules.
U1D63
U1D63 indicates a communication failure in the vehicle's control modules.
U1D64
U1D64 indicates a communication fault between vehicle control modules.
U1D65
U1D65 signifies a communication error within the vehicle's control modules.
U1D66
U1D66 indicates a communication error in the power steering system.
U1D67
U1D67 indicates a communication issue with the vehicle's Body Control Module ...
U1D68
U1D68 indicates a communication error in the vehicle's network,
U1D69
U1D69 indicates a communication issue within the vehicle's electronic modules.
U1D6A
DTC U1D6A indicates a communication issue with the steering angle sensor.
U1D6B
U1D6B indicates a communication failure between vehicle control modules.
U1D6C
U1D6C indicates a communication failure within the vehicle's network,
U1D6D
U1D6D indicates a communication error in the vehicle's control modules.
U1D6E
U1D6E signifies a communication issue between vehicle control modules,
U1D6F
U1D6F indicates a communication problem between vehicle control modules.
U1D70
Indicates a problem in the vehicle's communication network, particularly invo...
U1D71
U1D71 indicates a communication issue in the vehicle's network,
U1D72
U1D72 signifies a communication error within the vehicle's Advanced Driver-As...
U1D73
U1D73 indicates a communication failure between vehicle control modules.
U1D74
U1D74 signifies a communication error within the vehicle's electronic modules.
U1D75
U1D75 indicates a communication error between vehicle control modules.
U1D76
U1D76 signifies a communication failure between control modules in your vehicle.
U1D77
U1D77 indicates a communication issue within the vehicle's onboard systems,
U1D78
Indicates a communication issue within the vehicle's electrical system,
U1D79
U1D79 indicates a communication error between vehicle modules.
U1D7A
U1D7A indicates a communication problem between the Body Control Module and o...
U1D7B
DTC U1D7B indicates a communication failure between vehicle control modules,
U1D7C
U1D7C indicates a communication issue between vehicle control modules,
U1D7D
U1D7D indicates a communication fault in the vehicle's advanced driver assist...
U1D7E
U1D7E indicates a communication failure within the vehicle's control modules,...
U1D7F
U1D7F indicates a communication issue between the vehicle's control modules.
U1D80
U1D80 indicates a communication error within the vehicle's electronic network.
U1D81
U1D81 indicates a communication error between vehicle control modules.
U1D82
DTC U1D82 indicates a communication failure between the body control module a...
U1D83
U1D83 indicates a communication failure between vehicle control modules.
U1D84
U1D84 indicates a communication error in the hybrid powertrain control module...
U1D85
DTC U1D85 indicates a communication failure between vehicle control modules.
U1D86
The U1D86 diagnostic trouble code (DTC) indicates a communication issue withi...
U1D87
Indicates the BCM has detected a fault in the communication line with other c...
U1D88
U1D88 indicates a communication error on the vehicle's bus system,
U1D89
DTC U1D89 indicates a communication error between vehicle modules.
U1D8A
The U1D8A code indicates a communication issue between control modules in you...
U1D8B
U1D8B indicates a communication issue within the vehicle's network.
U1D8C
The U1D8C code indicates a communication failure between vehicle modules.
U1D8D
DTC U1D8D indicates a communication error within the vehicle's electronic sys...
U1D8E
Indicates a fault in network communication, possibly due to wiring issues,
U1D8F
DTC U1D8F indicates a communication issue between vehicle modules.
U1D90
U1D90 indicates a communication error between control modules in your vehicle.
U1D91
U1D91 indicates a communication error between vehicle modules,
U1D92
U1D92 indicates a communication error between the Vehicle Control Module and ...
U1D93
DTC U1D93 indicates a communication error between vehicle control modules.
U1D94
U1D94 indicates a communication issue within the PCM, affecting engine perfor...
U1D95
U1D95 indicates a communication issue between the vehicle's control modules.
U1D96
U1D96 indicates a communication issue within the vehicle's network,
U1D97
U1D97 indicates a communication error between vehicle control modules.
U1D98
U1D98 indicates a communication error in the vehicle's control modules.
U1D99
U1D99 indicates a communication error among vehicle control modules.
U1D9A
U1D9A indicates a communication fault in the vehicle's network,
U1D9B
U1D9B indicates a communication error between vehicle control modules.
U1D9C
DTC U1D9C indicates a communication error between control modules in your veh...
U1D9D
U1D9D indicates a communication issue with the auxiliary control module in yo...
U1D9E
U1D9E indicates a communication error between control modules in your vehicle.
U1D9F
U1D9F indicates a communication issue among vehicle modules.
U1DA0
U1DA0 signifies a communication issue between vehicle modules.
U1DA1
Indicates diagnostic trouble code indicating a communication issue within the...
U1DA2
U1DA2 indicates a communication issue between vehicle modules.
U1DA3
U1DA3 signifies a communication error between vehicle modules.
U1DA4
U1DA4 indicates a communication bus fault affecting various vehicle modules.
U1DA5
U1DA5 indicates a communication error between the TCM and ECM.
U1DA6
DTC U1DA6 indicates a communication issue within the vehicle's control modules.
U1DA7
U1DA7 indicates a communication failure between vehicle control modules.
U1DA8
DTC U1DA8 indicates a communication error in the vehicle's control modules.
U1DA9
U1DA9 indicates a communication error between vehicle control modules,
U1DAA
U1DAA indicates a communication issue between vehicle control modules.
U1DAB
U1DAB indicates a communication error between vehicle modules.
U1DAC
U1DAC indicates a network communication error within vehicle control modules.
U1DAD
Indicates a communication issue in the vehicle's network, specifically relate...
U1DAE
U1DAE indicates a communication error between vehicle modules.
U1DAF
U1DAF indicates a communication error between vehicle modules.
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