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 1701-1800 of 4097 total codes
U0XXX Network Communication Systems
U06A4
DTC U06A4 signifies a communication error between the powertrain control modu...
U06A5
DTC U06A5 indicates a communication failure between control modules in your v...
U06A6
U06A6 indicates a communication error between the Vehicle Control Module and ...
U06A7
U06A7 indicates a communication error within the vehicle's control module net...
U06A8
DTC U06A8 signifies a communication error between the vehicle's control modules.
U06A9
U06A9 indicates a communication issue between control modules in your vehicle.
U06AA
U06AA indicates a communication fault within the vehicle's control modules.
U06AB
U06AB signifies a communication problem between vehicle control modules.
U06AC
DTC U06AC indicates a communication error between your vehicle's ECM and othe...
U06AD
U06AD indicates a communication error between vehicle control modules.
U06AE
U06AE indicates a communication issue between vehicle control modules.
U06AF
U06AF indicates a communication fault in the vehicle's control modules.
U06B0
U06B0 indicates a communication error between control modules in your vehicle.
U06B1
U06B1 denotes a communication issue with the vehicle's control module.
U06B2
U06B2 reflects a communication issue between the PCM and other modules.
U06B3
U06B3 is a communication error code indicating a problem with control module ...
U06B4
U06B4 indicates a communication failure among vehicle control modules.
U06B5
U06B5 indicates a communication issue between vehicle control modules.
U06B6
DTC U06B6 indicates a communication error between control modules in your veh...
U06B7
U06B7 indicates a lost communication with the transmission control module.
U06B8
DTC U06B8 indicates a communication issue between vehicle modules.
U06B9
U06B9 indicates a communication failure between the ECU and other modules in ...
U06BA
U06BA is a communication bus error DTC indicating problems with data exchange...
U06BB
U06BB indicates a communication error between vehicle control modules.
U06BC
U06BC indicates a communication failure between the ECM and BCM in your vehicle.
U06BD
U06BD signifies a communication failure in the Body Control Module of your ve...
U06BE
U06BE indicates a communication error between vehicle control modules.
U06BF
U06BF indicates a communication fault between the TCM and ECM.
U06C0
U06C0 indicates a communication issue between vehicle control modules,
U06C1
U06C1 indicates a communication failure with the Transmission Control Module.
U06C2
U06C2 signifies a communication error between the PCM and TCM.
U06C3
The U06C3 code indicates a communication failure between vehicle control modu...
U06C4
U06C4 indicates a communication error between the powertrain control module a...
U06C5
U06C5 signifies a communication error between control modules via the CAN bus.
U06C6
DTC U06C6 indicates a communication error between the PCM and other control m...
U06C7
U06C7 indicates a communication fault in the vehicle's powertrain control mod...
U06C8
U06C8 indicates a communication error between the ECM and other modules.
U06C9
U06C9 indicates a communication issue between the vehicle's control modules.
U06CA
U06CA indicates a communication problem in your vehicle's control modules.
U06CB
The U06CB code indicates a communication failure within the vehicle's control...
U06CC
U06CC indicates a communication fault in the vehicle's control modules.
U06CD
The U06CD code indicates a communication issue in the vehicle's network,
U06CE
U06CE indicates a communication error in the vehicle's control modules.
U06CF
U06CF indicates a communication error between the transmission control module...
U06D0
U06D0 indicates a loss of communication with the powertrain control module.
U06D1
U06D1 indicates a communication failure between the vehicle's control modules.
U06D2
U06D2 indicates a communication failure within the vehicle's control module n...
U06D3
U06D3 indicates a communication error between vehicle control modules.
U06D4
U06D4 indicates a communication error between vehicle control modules.
U06D5
U06D5 indicates a communication error between the body control module and the...
U06D6
The U06D6 code indicates a communication failure between control modules in y...
U06D7
U06D7 signifies a communication issue between the ECM and other modules in yo...
U06D8
DTC U06D8 indicates a communication fault between the control modules in your...
U06D9
U06D9 indicates a communication failure between the transmission control modu...
U06DA
U06DA indicates a communication issue within the vehicle's network,
U06DB
U06DB signifies a communication issue within the vehicle's control modules.
U06DC
U06DC indicates a communication error in the vehicle's data bus system.
U06DD
The U06DD code signifies a communication failure within the vehicle's control...
U06DE
U06DE indicates communication failure between control modules.
U06DF
The U06DF code indicates a communication issue between vehicle modules that c...
U06E0
U06E0 indicates a communication fault in the vehicle's control modules.
U06E1
U06E1 indicates a communication issue between the control modules in your veh...
U06E2
U06E2 indicates a communication error between the ECM and other control modules.
U06E3
U06E3 signals a communication error between vehicle control modules.
U06E4
U06E4 indicates a communication failure between vehicle modules.
U06E5
Indicates a malfunction within the vehicle's network of control modules.
U06E6
U06E6 indicates a communication fault between the control modules in your veh...
U06E7
U06E7 indicates a communication issue between ECM and BCM.
U06E8
U06E8 indicates a communication problem in the vehicle's network,
U06E9
U06E9 indicates a communication failure between vehicle control modules,
U06EA
The U06EA code indicates a communication problem between control modules in y...
U06EB
U06EB indicates a communication error between control modules.
U06EC
U06EC indicates a communication error between the ECM and TCM.
U06ED
The U06ED code indicates a communication failure between the powertrain contr...
U06EE
DTC U06EE refers to a communication malfunction in the engine control module.
U06EF
U06EF indicates a communication error between the engine control module and b...
U06F0
The U06F0 code indicates a communication error within the vehicle's network,
U06F1
U06F1 indicates a communication issue within the vehicle control module systems.
U06F2
Indicates a communication error within the controller area network (CAN) of a...
U06F3
DTC U06F3 indicates a lost communication between the Engine Control Module an...
U06F4
U06F4 indicates a communication problem within the vehicle's data bus.
U06F5
U06F5 indicates a communication failure between the transmission control modu...
U06F6
DTC U06F6 indicates a communication failure within your vehicle's control mod...
U06F7
U06F7 indicates a communication fault between vehicle control modules.
U06F8
U06F8 signifies a communication issue within the vehicle's control modules.
U06F9
U06F9 indicates a communication issue between the ECM and other modules.
U06FA
U06FA indicates a communication error between control modules in your vehicle.
U06FB
DTC U06FB indicates a communication failure between control modules in your v...
U06FC
U06FC indicates a communication link error between vehicle control modules.
U06FD
The U06FD code indicates a communication issue between control modules in you...
U06FE
U06FE indicates a communication fault within your vehicle's control modules.
U06FF
DTC U06FF indicates a communication failure between vehicle control modules.
U0700
U0700 indicates a communication failure between the TCM and ECM,
U0701
U0701 indicates a communication error with the transmission control module.
U0702
U0702 indicates a communication failure between the transmission and engine c...
U0703
U0703 indicates a communication failure between control modules in your vehicle.
U0704
U0704 indicates a communication error between the Transmission Control Module...
U0705
U0705 indicates a communication failure between the Transmission Control Modu...
U0706
U0706 means there's a communication problem between the engine control module...
U0707
DTC U0707 indicates a communication error between the Transmission Control Mo...
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