U02xx OBD-II Codes (U0200–U0299)

100 fault codes in the U02xx range. Click any code for causes, diagnostic steps, severity, and common fixes.

U0200 low
Lost Communication With Door Control Module C
U0201 low
Lost Communication With Door Control Module D
U0202 moderate
Lost Communication With Trailer Brake Control Module
U0203 low
Lost Communication With Trailer Body Control Module
U0204 moderate
Lost Communication With Trailer Chassis Control Module
U0205 critical
Lost Communication With Hybrid Powertrain Control Module
U0206 critical
Lost Communication With Hybrid Battery Pack Module
U0207 critical
Lost Communication With Inverter Control Module
U0208 critical
Lost Communication With DC/DC Converter Module
U0209 moderate
Lost Communication With Regenerative Braking Control Module
U0210 critical
Lost Communication With Motor Generator Control Module A
U0211 critical
Lost Communication With Motor Generator Control Module B
U0212 critical
Lost Communication With Fuel Cell Control Module
U0213 critical
Lost Communication With Fuel Cell Air Compressor Module
U0214 critical
Lost Communication With Fuel Cell Hydrogen Pump Module
U0215 moderate
Lost Communication With EV On-Board Charger Module
U0216 critical
Lost Communication With EV Battery Thermal Management Module
U0217 moderate
Lost Communication With EV Drive Motor Temperature Module
U0218 low
Lost Communication With EV Charging Station Interface Module
U0219 low
Lost Communication With EV Range Estimation Module
U0220 critical
Lost Communication With EV Traction Battery Module A
U0221 critical
Lost Communication With EV Traction Battery Module B
U0222 critical
Lost Communication With EV Power Distribution Module
U0223 moderate
Lost Communication With EV Auxiliary Power Module
U0224 low
Lost Communication With EV Charge Timer Module
U0225 low
Lost Communication With EV Preconditioning Module
U0226 low
Lost Communication With Vehicle-to-Grid Module
U0227 moderate
Lost Communication With EV Energy Recovery Module
U0228 critical
Lost Communication With EV Pedal Simulation Module
U0229 moderate
Lost Communication With EV Thermal Pump Module
U0230 moderate
Lost Communication With EV Battery Equalization Module
U0231 low
Lost Communication With Heated Windshield Control Module
U0232 low
Lost Communication With Heated Windshield Washer Module
U0233 low
Lost Communication With Windshield Rain Sensor Module
U0234 low
Lost Communication With Active Noise Cancellation Module
U0235 low
Lost Communication With Active Sound Enhancement Module
U0236 low
Lost Communication With Wireless Phone Charging Module
U0237 low
Lost Communication With Wireless Charging Alignment Module
U0238 low
Lost Communication With Inductive Charging Control Module
U0239 low
Lost Communication With Head-Up Display Module
U0240 low
Lost Communication With Night Vision Module
U0241 low
Lost Communication With Surround View Camera Module
U0242 low
Lost Communication With Digital Rearview Mirror Module
U0243 moderate
Lost Communication With Driver Monitoring Camera Module
U0244 low
Lost Communication With Cabin Air Quality Sensor Module
U0245 low
Lost Communication With Fragrance Dispenser Module
U0246 low
Lost Communication With Ionizer Air Purifier Module
U0247 low
Lost Communication With Ambient Lighting Control Module
U0248 low
Lost Communication With Dynamic Seat Bolster Module
U0249 low
Lost Communication With Seat Ventilation Module
U0250 low
Lost Communication With Seat Massage Module
U0251 low
Lost Communication With Rear Seat Entertainment Module
U0252 low
Lost Communication With Power Running Board Module
U0253 low
Lost Communication With Power Liftgate Module
U0254 low
Lost Communication With Power Sliding Door Module
U0255 low
Lost Communication With Panoramic Roof Control Module
U0256 low
Lost Communication With Active Aerodynamics Module
U0257 low
Lost Communication With Active Grille Shutter Module
U0258 moderate
Lost Communication With Active Suspension Damper Module
U0259 moderate
Lost Communication With Active Roll Control Module
U0260 moderate
Lost Communication With Rear Axle Steering Module
U0261 moderate
Lost Communication With OBD Diagnostic Module
U0262 moderate
Lost Communication With OBD Emission Monitor Module
U0263 low
Lost Communication With Fuel Vapor Canister Module
U0264 moderate
Lost Communication With Exhaust Aftertreatment Module
U0265 low
Lost Communication With EV Charging Station Communication Module
U0266 moderate
Lost Communication With Battery State of Health Module
U0267 moderate
Lost Communication With Battery Cell Balancing Module
U0268 critical
Lost Communication With Battery Isolation Monitor Module
U0269 moderate
Lost Communication With Fast Charge Controller Module
U0270 critical
Lost Communication With Battery Pre-Charge Module
U0271 moderate
Lost Communication With Battery Cooling Fan Module
U0272 low
Lost Communication With Charge Port Door Module
U0273 low
Lost Communication With Vehicle Speed Limiter Module
U0274 moderate
Lost Communication With Pedestrian Alert Module
U0275 low
Lost Communication With External Sound Generator Module
U0276 low
Lost Communication With Tire Pressure Monitoring System Gateway
U0277 moderate
Lost Communication With Wheel Speed Sensor Hub Module
U0278 moderate
Lost Communication With Differential Control Module
U0279 moderate
Lost Communication With Torque Vectoring Module
U0280 moderate
Lost Communication With Transfer Case Shift Module
U0281 low
Lost Communication With Drive Mode Selector Module
U0282 low
Lost Communication With Launch Control Module
U0283 moderate
Lost Communication With Adaptive Cruise Radar Module
U0284 moderate
Lost Communication With Forward Camera Module
U0285 low
Lost Communication With Blind Spot Monitoring Module
U0286 low
Lost Communication With Parking Assist Ultrasonic Module
U0287 low
Lost Communication With Automatic Parking Module
U0288 low
Lost Communication With Trail Camera Module
U0289 low
Lost Communication With Tow Hitch Assist Module
U0290 low
Lost Communication With OTA Update Module
U0291 low
Lost Communication With Cellular Telematics Module
U0292 low
Lost Communication With V2X Communication Module
U0293 moderate
Lost Communication With Hybrid Start-Stop Module
U0294 moderate
Lost Communication With 48V Mild Hybrid Module
U0295 moderate
Lost Communication With Plug-In Hybrid Charge Management Module
U0296 critical
Lost Communication With Electric Power Steering Assist Module
U0297 critical
Lost Communication With Steer-By-Wire Module
U0298 critical
Lost Communication With Brake-By-Wire Module
U0299 critical
Lost Communication With Central Gateway Module
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