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DTC Code Glossary

Look up any of the 1,527 OBD-II diagnostic trouble codes in our database — what it means, and how we can permanently remove it from your ECU.

All P B C U
U0273
Lost Communication With Lighting Driver Control Module “A”
U0274
Lost Communication With Lighting Driver Control Module “B”
U0275
Lost Communication With Lighting Driver Control Module “C”
U0276
Lost Communication With Lighting Driver Control Module “D”
U0277
Lost Communication With Seat Control Module K
U0278
Lost Communication With Seat Control Module L
U0279
Lost Communication with Haptic Control Module
U027A
Lost Communication With Battery Charger Control Module C
U027B
Lost Communication with Battery Charger Control Module D
U027C
Lost Communication With Off-Board Charger Control Module
U0284
Lost Communication With Active Grille Air Shutter Module A
U0285
Lost Communication With Active Grille Air Shutter Module B
U0286
Lost Communication With Radiator Anti Tamper Device
U0287
Lost Communication With Transmission Fluid Pump Module A
U0288
Lost Communication With DC/AC Converter Control Module A
U0289
Lost Communication With DC/AC Converter Control Module B
U028A
Lost Communication With Transmission Fluid Pump Module B
U028B
Lost Communication With Active Grille Air Shutter Module C
U028C
Lost Communication With Active Grille Air Shutter Module D
U028D
Lost Communication with Active Aerodynamic Feature Control Module A
U028E
Lost Communication with Active Aerodynamic Feature Control Module B
U028F
Lost Communication with Active Aerodynamic Feature Control Module C
U0290
Lost Communication with Active Aerodynamic Feature Control Module D
U0291
Lost Communication With Gear Shift Control Module B
U0292
Lost Communication With Drive Motor Control Module B
U0293
Lost Communication With Hybrid/EV Powertrain Control Module
U0294
Lost Communication With Powertrain Control Monitor Module
U0295
Lost Communication With AC/AC Converter Control Module
U0296
Lost Communication With AC/DC Converter Control Module A
U0297
Lost Communication With AC/DC Converter Control Module B
U0298
Lost Communication With DC/DC Converter Control Module A
U0299
Lost Communication With DC/DC Converter Control Module B
U029A
Lost Communication With Hybrid/EV Battery Pack Sensor Module
U029B
Lost Communication With Drive Motor Control Module C
U029C
Lost Communication With Drive Motor Control Module D
U029D
Lost Communication With NOx Sensor A
U029E
Lost Communication With NOx Sensor B
U029F
Lost Communication With Evaporative Emission System Leak Detection Control Module
U02A0
Invalid Data Received From Hybrid/EV Battery Interface Control Module D
U02A1
Lost Communication With NOx Sensor C
U02A2
Lost Communication With Reductant Quality Module
U02A3
Lost Communication With Particulate Matter Sensor
U02A4
Lost Communication With NH3 Sensor
U02A5
Lost Communication With Reductant Heater Control Module
U02A6
Lost Communication With Safety Integration Control Module
U02A7
Lost Communication With Engine Sound Control 1
U02A8
Lost Communication With Engine Sound Control 2
U02A9
Lost Communication With Charge Air Cooler Coolant Pump A
U02AA
Lost Communication With Engine Disconnect Clutch
U02AB
Lost Communication With Vehicle Thermal Management Control Module
U02AC
Lost Communication With Turbocharger/Supercharger Boost Control A
U02AD
Lost Communication With Turbocharger/Supercharger Boost Control B
U02AE
Lost Communications With Hybrid/EV Battery Coolant Pump
U02AF
Lost Communication With Turbocharger Turbine Inlet Valve Position Sensor
U02B0
Lost Communication With Turbocharger/Supercharger Boost Control B Position Sensor
U02B1
Lost Communication With Comfort and Convenience Display A
U02B2
Lost Communication With Comfort and Convenience Display B
U02B3
Lost Communication With Driver Monitoring System Module
U02B4
Lost Communication With Front Radar Module A
U02B5
Lost Communication With Front Radar Module B
U02B6
Lost Communication With Rear Radar Module A
U02B7
Lost Communication With Rear Radar Module B
U02B8
Lost Communication With Rear Radar Module C
U02B9
Lost Communication With Rear Radar Module D
U02BA
Lost Communication With Hybrid/EV Electronics Coolant Pump B
U02BB
Lost Communications with EVAP System Purge Pump
U02BC
Lost Communication With Localization and Mapping Module
U02BD
Lost Communication With Night Vision Control Module
U02BE
Lost Communication With Trailer Backup Assist Control Module
U02BF
Lost Communication With Interior Lighting Control Module B
U02C0
Lost Communication With Active Radiator Air Flow Control Module A
U02C1
Lost Communication With Hybrid/EV Electronics Coolant Pump C
U0300
Internal Control Module Software Incompatibility
U0301
Software Incompatibility With ECM/PCM
U0302
Software Incompatibility With Transmission Control Module
U0303
Software Incompatibility With Transfer Case Control Module
U0304
Software Incompatibility With Gear Shift Control Module A
U0305
Software Incompatibility With Cruise Control Module
U0306
Software Incompatibility With Fuel Injector Control Module
U0307
Software Incompatibility With Glow Plug Control Module 1
U0308
Software Incompatibility With Throttle Actuator Control Module
U0309
Software Incompatibility With Alternative Fuel Control Module
U030A
Software Incompatibility With Evaporative Emission System Leak Detection Control Module
U030B
Software Incompatibility With Glow Plug Control Module 2
U030C
Software Incompatibility With Reductant Quality Module
U030D
Software Incompatibility With NOx Sensor A
U030E
Software Incompatibility With NOx Sensor B
U030F
Software Incompatibility With Reductant Control Module
U0310
Software Incompatibility With Fuel Pump Control Module
U0311
Software Incompatibility With Drive Motor Control Module
U0312
Software Incompatibility With Battery Energy Control Module A
U0313
Software Incompatibility With Battery Energy Control Module B
U0314
Software Incompatibility With Four-Wheel Drive Clutch Control Module
U0315
Software Incompatibility With Anti-Lock Brake System (ABS) Control Module
U0316
Software Incompatibility With Vehicle Dynamics Control Module
U0317
Software Incompatibility With Park Brake Control Module
U0318
Software Incompatibility With Brake System Control Module A
U0319
Software Incompatibility With Steering Effort Control Module
U031A
Software Incompatibility With Transmission Range Control Module
U031B
Software Incompatibility With DC/DC Converter Control Module A