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 601-700 of 4097 total codes
U0XXX Network Communication Systems
U0258
Indicates a communication problem between the vehicle's electronic control un...
U0259
U0259 signifies lost communication with the Body Control Module,
U025A
U025A indicates a communication failure between the ECM and BCM.
U025B
DTC U025B indicates a communication fault between the PCM and another module,...
U025C
DTC U025C signifies a communication issue between control modules,
U025D
U025D signifies a lost communication between the ECM and SCCM.
U025E
U025E indicates a loss of communication with the steering angle sensor,
U025F
U025F indicates a loss of communication between vehicle control modules,
U0260
DTC U0260 indicates a loss of communication with the Hybrid Powertrain Contro...
U0261
DTC U0261 indicates a communication problem with a vehicle's control module,
U0262
U0262 indicates a communication failure between the ECM and another control m...
U0263
U0263 indicates a communication error in the electric power steering system.
U0264
DTC U0264 indicates a communication issue between vehicle control modules.
U0265
U0265 means there's a communication issue between the ECM and BCM.
U0266
U0266 indicates a communication error in the electric power steering system.
U0267
Indicates a communication issue between the Engine Control Module (ECM) and t...
U0268
U0268 indicates a communication failure between vehicle control modules.
U0269
The U0269 code means there's a communication loss between the ECM and BCM.
U026A
DTC U026A indicates a communication problem between the ECM and TCM.
U026B
The U026B code indicates a communication failure between control modules in y...
U026C
U026C indicates a loss of communication with a control module in your vehicle.
U026D
U026D indicates a communication error between vehicle control modules.
U026E
The U026E code signifies a communication failure between the ECM and BCM.
U026F
U026F indicates a communication failure between vehicle control modules.
U0270
DTC U0270 indicates a communication failure between control modules in your v...
U0271
U0271 indicates a communication failure between control modules in your vehicle.
U0272
U0272 means there's a communication breakdown between the ECM and BCM.
U0273
U0273 signifies a communication failure between vehicle control modules.
U0274
U0274 indicates a communication failure between the steering column control m...
U0275
U0275 indicates a communication error between control modules in your vehicle.
U0276
U0276 means there's a communication issue with the steering column control mo...
U0277
DTC U0277 signifies a communication failure between the ECM and ATCM.
U0278
U0278 points to a communication failure between the ECM and BCM.
U0279
DTC U0279 indicates a communication failure between the body control module a...
U027A
U027A indicates a communication issue between vehicle modules.
U027B
Indicates a communication issue between the vehicle's control modules.
U027C
U027C indicates a communication issue between vehicle control modules.
U027D
Lost communication with the Body Control Module, indicating potential electri...
U027E
U027E indicates a loss of communication with the Electric Power Steering module.
U027F
U027F indicates a communication failure between the EPS control module and th...
U0280
U0280 means there's a communication failure between vehicle control modules.
U0281
Indicates there is a communication problem with a specific vehicle control mo...
U0282
U0282 indicates a communication failure between the ECM and BCM.
U0283
U0283 signifies a communication error within the vehicle's CAN bus,
U0284
DTC U0284 signifies a communication failure between vehicle modules.
U0285
U0285 indicates a loss of communication with a vehicle control module.
U0286
The U0286 code indicates a communication error between control modules in you...
U0287
U0287 indicates a lost communication with the vehicle control module.
U0288
U0288 indicates a communication issue between control modules in your vehicle.
U0289
U0289 indicates a lost communication with a vehicle control module.
U028A
U028A indicates a communication failure between vehicle control modules.
U028B
U028B signifies a communication error with a control module in your vehicle,
U028C
Indicates a loss of communication with the Body Control Module (BCM).
U028D
U028D indicates a communication failure between vehicle modules.
U028E
U028E indicates a communication issue between vehicle control modules.
U028F
U028F indicates a communication failure between control modules in your vehicle.
U0290
DTC U0290 indicates a communication failure between the vehicle's control mod...
U0291
U0291 means there's a communication failure between your vehicle's ECM and an...
U0292
Indicates there is a communication issue between the vehicle's control modules.
U0293
U0293 means there's a communication failure with the steering angle sensor.
U0294
U0294 indicates a communication failure with the Battery Energy Control Module.
U0295
U0295 indicates a loss of communication with the power steering control modul...
U0296
DTC U0296 indicates a loss of communication with the steering angle sensor,
U0297
DTC U0297 indicates a lost communication with the battery energy control module.
U0298
DTC U0298 indicates a communication problem between the ECM and the EPSCM,
U0299
U0299 signifies a lost communication with the seat control module,
U029A
U029A indicates a loss of communication with a vehicle control module,
U029B
Indicates a communication issue between the Engine Control Unit (ECU) and the...
U029C
U029C indicates a lost communication between vehicle control modules.
U029D
U029D indicates a communication failure between the powertrain control module...
U029E
U029E indicates a loss of communication with an auxiliary control module.
U029F
U029F signifies a communication failure between the PCM and BECM.
U02A0
U02A0 indicates a communication failure between vehicle control modules,
U02A1
U02A1 signifies a communication failure between control modules in your vehicle.
U02A2
U02A2 is a communication error between the body control module and engine con...
U02A3
U02A3 indicates a communication failure between control modules in your vehicle.
U02A4
U02A4 indicates a communication error between vehicle control modules.
U02A5
U02A5 indicates a communication problem between vehicle control modules.
U02A6
U02A6 indicates a communication failure between vehicle control modules.
U02A7
U02A7 indicates a communication failure between vehicle control modules.
U02A8
U02A8 indicates a communication failure with the Steering Angle Sensor.
U02A9
U02A9 signifies a communication error between vehicle control modules.
U02AA
DTC U02AA indicates a communication error between control modules in your veh...
U02AB
The diagnostic trouble code (DTC) U02AB indicates a communication error betwe...
U02AC
DTC U02AC indicates a communication failure among vehicle control modules.
U02AD
U02AD indicates a communication error between control modules in your vehicle.
U02AE
U02AE indicates a communication issue between vehicle modules.
U02AF
U02AF indicates a communication issue between the engine and transmission con...
U02B0
DTC U02B0 indicates a communication failure between the control modules in yo...
U02B1
U02B1 indicates a communication failure between control modules in your vehicle.
U02B2
U02B2 indicates a communication failure between vehicle control modules.
U02B3
U02B3 indicates a communication failure on the vehicle's communication bus,
U02B4
U02B4 indicates a communication issue between vehicle control modules.
U02B5
The U02B5 code indicates a communication failure between vehicle control modu...
U02B6
DTC U02B6 signifies a communication fault between control modules in the vehi...
U02B7
U02B7 indicates a communication error in your vehicle's network,
U02B8
DTC U02B8 indicates a communication issue within the vehicle's control modules.
U02B9
DTC U02B9 indicates a communication failure with a control module in your veh...
U02BA
U02BA indicates a communication error in the vehicle's control modules,
U02BB
U02BB indicates a loss of communication between control modules in your vehicle.
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