U03xx
80 generic network & communication codes in the U03xx range.Module-to-module communication across the vehicle data bus.
0 of these have been through editorial review and carry full diagnostic guidance.
- U0300Internal Control Module Software IncompatibilitySeverity level 3 of 5: Diagnose soon.
- U0301Software Incompatibility with ECM/PCMSeverity level 3 of 5: Diagnose soon.
- U0302Software Incompatibility with TCMSeverity level 3 of 5: Diagnose soon.
- U0303Software Incompatibility with Transfer Case Control ModuleSeverity level 3 of 5: Diagnose soon.
- U0304Invalid Data Received from Transmission Control ModuleSeverity level 4 of 5: Get it looked at now.
- U0305Software Incompatibility with Cruise Control ModuleSeverity level 3 of 5: Diagnose soon.
- U0306Software Incompatibility with Fuel Injector Control ModuleSeverity level 3 of 5: Diagnose soon.
- U0307Software Incompatibility with Glow Plug Control ModuleSeverity level 3 of 5: Diagnose soon.
- U0308Software Incompatibility with Body Control ModuleSeverity level 2 of 5: Not urgent.
- U0309Software Incompatibility With Alternative Fuel Control ModuleSeverity level 4 of 5: Get it looked at now.
- U030ASoftware Incompatibility With Evaporative Emission System Leak Detection Control ModuleSeverity level 3 of 5: Diagnose soon.
- U030BSoftware Incompatibility With Glow Plug Control Module 2Severity level 3 of 5: Diagnose soon.
- U030CSoftware Incompatibility With Reductant Quality ModuleSeverity level 3 of 5: Diagnose soon.
- U030DSoftware Incompatibility With NOx Sensor ASeverity level 3 of 5: Diagnose soon.
- U030ESoftware Incompatibility With NOx Sensor BSeverity level 3 of 5: Diagnose soon.
- U030FSoftware Incompatibility With Reductant Control ModuleSeverity level 3 of 5: Diagnose soon.
- U0310Software Incompatibility With Fuel Pump Control ModuleSeverity level 4 of 5: Get it looked at now.
- U0311Software Incompatibility With Drive Motor Control ModuleSeverity level 4 of 5: Get it looked at now.
- U0312Software Incompatibility With Battery Energy Control Module ASeverity level 4 of 5: Get it looked at now.
- U0313Software Incompatibility With Battery Energy Control Module BSeverity level 4 of 5: Get it looked at now.
- U0314Software Incompatibility With Four-Wheel Drive Clutch Control ModuleSeverity level 4 of 5: Get it looked at now.
- U0315Software Incompatibility with ABS Control ModuleSeverity level 5 of 5: Stop driving.
- U0316Software Incompatibility with Park Brake Control ModuleSeverity level 5 of 5: Stop driving.
- U0317Software Incompatibility with Brake System Control ModuleSeverity level 5 of 5: Stop driving.
- U0318Software Incompatibility with Power Steering Control ModuleSeverity level 5 of 5: Stop driving.
- U0319Software Incompatibility with Anti-Lock Brake System Control ModuleSeverity level 5 of 5: Stop driving.
- U031ASoftware Incompatibility With Transmission Range Control ModuleSeverity level 4 of 5: Get it looked at now.
- U031BSoftware Incompatibility With DC/DC Converter Control Module ASeverity level 4 of 5: Get it looked at now.
- U031CSoftware Incompatibility With Brake System Control Module BSeverity level 5 of 5: Stop driving.
- U031DSoftware Incompatibility With Parking Assist Control Module ASeverity level 2 of 5: Not urgent.
- U031ESoftware Incompatibility With Parking Assist Control Module BSeverity level 2 of 5: Not urgent.
- U031FSoftware Incompatibility With Accessory Protocol Interface ModuleSeverity level 2 of 5: Not urgent.
- U0320Software Incompatibility With Power Steering Control ModuleSeverity level 5 of 5: Stop driving.
- U0321Software Incompatibility With Suspension Control Module ASeverity level 2 of 5: Not urgent.
- U0322Software Incompatibility with Body Control Module BSeverity level 2 of 5: Not urgent.
- U0323Software Incompatibility With Instrument Panel Control ModuleSeverity level 2 of 5: Not urgent.
- U0324Software Incompatibility with HVAC Control ModuleSeverity level 2 of 5: Not urgent.
- U0325Software Incompatibility with Auxiliary Heater Control ModuleSeverity level 2 of 5: Not urgent.
- U0326Software Incompatibility With Vehicle Immobilizer Control ModuleSeverity level 4 of 5: Get it looked at now.
- U0327Software Incompatibility with Powertrain Control ModuleSeverity level 4 of 5: Get it looked at now.
- U0328Software Incompatibility With Steering Angle Sensor ModuleSeverity level 5 of 5: Stop driving.
- U0329Software Incompatibility With Steering Column Control ModuleSeverity level 5 of 5: Stop driving.
- U032ASoftware Incompatibility With A/C Compressor Control ModuleSeverity level 2 of 5: Not urgent.
- U0330Software Incompatibility With Tire Pressure Monitor ModuleSeverity level 3 of 5: Diagnose soon.
- U0331Software Incompatibility With Body Control Module ASeverity level 2 of 5: Not urgent.
- U0332Software Incompatibility With Multi-axis Acceleration Sensor Module ASeverity level 4 of 5: Get it looked at now.
- U0333Software Incompatibility With Gear Shift Control Module BSeverity level 4 of 5: Get it looked at now.
- U0334Software Incompatibility With RadioSeverity level 2 of 5: Not urgent.
- U0335Software Incompatibility With Hybrid/EV Battery Pack Sensor ModuleSeverity level 4 of 5: Get it looked at now.
- U0336Software Incompatibility With Restraints Control ModuleSeverity level 5 of 5: Stop driving.
- U0337Software Incompatibility With Battery Charger Control Module ASeverity level 4 of 5: Get it looked at now.
- U0338Software Incompatibility With Remote Function Actuation ModuleSeverity level 2 of 5: Not urgent.
- U0339Software Incompatibility With Body Control Module BSeverity level 2 of 5: Not urgent.
- U033ASoftware Incompatibility With Hybrid/EV Battery Interface Control Module ASeverity level 4 of 5: Get it looked at now.
- U033BSoftware Incompatibility With Hybrid/EV Battery Interface Control Module BSeverity level 4 of 5: Get it looked at now.
- U033CSoftware Incompatibility With Hybrid/EV Battery Interface Control Module CSeverity level 4 of 5: Get it looked at now.
- U033DSoftware Incompatibility With Hybrid/EV Battery Interface Control Module DSeverity level 4 of 5: Get it looked at now.
- U033ESoftware Incompatibility With Hybrid/EV Battery Interface Control Module ESeverity level 4 of 5: Get it looked at now.
- U033FSoftware Incompatibility With Hybrid/EV Battery Interface Control Module FSeverity level 4 of 5: Get it looked at now.
- U0340Software Incompatibility With Hybrid/EV Battery Interface Control Module GSeverity level 4 of 5: Get it looked at now.
- U0341Software Incompatibility With Hybrid/EV Battery Interface Control Module HSeverity level 4 of 5: Get it looked at now.
- U0342Software Incompatibility With Hybrid/EV Battery Interface Control Module ISeverity level 4 of 5: Get it looked at now.
- U0343Software Incompatibility With Hybrid/EV Battery Interface Control Module JSeverity level 4 of 5: Get it looked at now.
- U0344Software Incompatibility With Hybrid/EV Battery Interface Control Module KSeverity level 4 of 5: Get it looked at now.
- U0345Software Incompatibility With Hybrid/EV Battery Interface Control Module LSeverity level 4 of 5: Get it looked at now.
- U0346Software Incompatibility With Hybrid/EV Battery Interface Control Module MSeverity level 4 of 5: Get it looked at now.
- U0347Software Incompatibility With Hybrid/EV Battery Interface Control Module NSeverity level 4 of 5: Get it looked at now.
- U0348Software Incompatibility With Hybrid/EV Battery Interface Control Module OSeverity level 4 of 5: Get it looked at now.
- U0349Software Incompatibility With Hybrid/EV Battery Interface Control Module PSeverity level 4 of 5: Get it looked at now.
- U034ASoftware Incompatibility With Engine Disconnect ClutchSeverity level 4 of 5: Get it looked at now.
- U034BSoftware Incompatibility With Brake Booster ControlSeverity level 5 of 5: Stop driving.
- U034CSoftware Incompatibility With Battery Energy Control Module CSeverity level 4 of 5: Get it looked at now.
- U034DSoftware Incompatibility With Vehicle Thermal Management Control ModuleSeverity level 4 of 5: Get it looked at now.
- U034ESoftware Incompatibility With Active Grille Air Shutter Module ASeverity level 3 of 5: Diagnose soon.
- U034FSoftware Incompatibility With Active Grille Air Shutter Module BSeverity level 3 of 5: Diagnose soon.
- U0350Software Incompatibility With Active Grille Air Shutter Module CSeverity level 3 of 5: Diagnose soon.
- U0351Software Incompatibility With Active Grille Air Shutter Module DSeverity level 3 of 5: Diagnose soon.
- U0352Software Incompatibility With NOx Sensor CSeverity level 3 of 5: Diagnose soon.
- U0353Software Incompatibility With Ion Sense ModuleSeverity level 3 of 5: Diagnose soon.
- U0354Software Incompatibility With Hybrid/EV Battery Inductive Charger Control ModuleSeverity level 4 of 5: Get it looked at now.