U03xx codes — Network communication
80 generic network trouble codes from U0300 to U0354. Each links to its page: what it means, how serious it is, and how to fix it.
- U0300Internal Control Module Software Incompatibility
- U0301Software Incompatibility With ECM/PCM
- U0302Software Incompatibility With Transmission Control Module
- U0303Software Incompatibility With Transfer Case Control Module
- U0304Software Incompatibility With Gear Shift Control Module A
- U0305Software Incompatibility With Cruise Control Module
- U0306Software Incompatibility With Fuel Injector Control Module
- U0307Software Incompatibility With Glow Plug Control Module 1
- U0308Software Incompatibility With Throttle Actuator Control Module
- U0309Software Incompatibility With Alternative Fuel Control Module
- U030ASoftware Incompatibility With Evaporative Emission System Leak Detection Control Module
- U030BSoftware Incompatibility With Glow Plug Control Module 2
- U030CSoftware Incompatibility With Reductant Quality Module
- U030DSoftware Incompatibility With NOx Sensor A
- U030ESoftware Incompatibility With NOx Sensor B
- U030FSoftware Incompatibility With Reductant Control Module
- U0310Software Incompatibility With Fuel Pump Control Module
- U0311Software Incompatibility With Drive Motor Control Module
- U0312Software Incompatibility With Battery Energy Control Module A
- U0313Software Incompatibility With Battery Energy Control Module B
- U0314Software Incompatibility With Four-Wheel Drive Clutch Control Module
- U0315Software Incompatibility With Anti-Lock Brake System (ABS) Control Module
- U0316Software Incompatibility With Vehicle Dynamics Control Module
- U0317Software Incompatibility With Park Brake Control Module
- U0318Software Incompatibility With Brake System Control Module A
- U0319Software Incompatibility With Steering Effort Control Module
- U031ASoftware Incompatibility With Transmission Range Control Module
- U031BSoftware Incompatibility With DC/DC Converter Control Module A
- U031CSoftware Incompatibility With Brake System Control Module B
- U031DSoftware Incompatibility With Parking Assist Control Module A
- U031ESoftware Incompatibility With Parking Assist Control Module B
- U031FSoftware Incompatibility With Accessory Protocol Interface Module
- U0320Software Incompatibility With Power Steering Control Module
- U0321Software Incompatibility With Suspension Control Module A
- U0322Software Incompatibility With Body Control Module
- U0323Software Incompatibility With Instrument Panel Control Module
- U0324Software Incompatibility With HVAC Control Module
- U0325Software Incompatibility With Auxiliary Heater Control Module
- U0326Software Incompatibility With Vehicle Immobilizer Control Module
- U0327Software Incompatibility With Vehicle Security Control Module
- U0328Software Incompatibility With Steering Angle Sensor Module
- U0329Software Incompatibility With Steering Column Control Module
- U032ASoftware Incompatibility With A/C Compressor Control Module
- U0330Software Incompatibility With Tire Pressure Monitor Module
- U0331Software Incompatibility With Body Control Module A
- U0332Software Incompatibility with Multi-axis Acceleration Sensor module
- U0333Software Incompatibility with Gear Shift Control Module B
- U0334Software Incompatibility With Radio
- U0335Software Incompatibility With Hybrid/EV Battery Pack Sensor Module
- U0336Software Incompatibility With Restraints Control Module
- U0337Software Incompatibility With Battery Charger Control Module A
- U0338Software Incompatibility With Remote Function Actuation Module
- U0339Software Incompatibility With Body Control Module B
- U033ASoftware Incompatibility With Hybrid/EV Battery Interface Control Module A
- U033BSoftware Incompatibility With Hybrid/EV Battery Interface Control Module B
- U033CSoftware Incompatibility With Hybrid/EV Battery Interface Control Module C
- U033DSoftware Incompatibility With Hybrid/EV Battery Interface Control Module D
- U033ESoftware Incompatibility With Hybrid/EV Battery Interface Control Module E
- U033FSoftware Incompatibility With Hybrid/EV Battery Interface Control Module F
- U0340Software Incompatibility With Hybrid/EV Battery Interface Control Module G
- U0341Software Incompatibility With Hybrid/EV Battery Interface Control Module H
- U0342Software Incompatibility With Hybrid/EV Battery Interface Control Module I
- U0343Software Incompatibility With Hybrid/EV Battery Interface Control Module J
- U0344Software Incompatibility With Hybrid/EV Battery Interface Control Module K
- U0345Software Incompatibility With Hybrid/EV Battery Interface Control Module L
- U0346Software Incompatibility With Hybrid/EV Battery Interface Control Module M
- U0347Software Incompatibility With Hybrid/EV Battery Interface Control Module N
- U0348Software Incompatibility With Hybrid/EV Battery Interface Control Module O
- U0349Software Incompatibility With Hybrid/EV Battery Interface Control Module P
- U034ASoftware Incompatibility With Engine Disconnect Clutch
- U034BSoftware Incompatibility With Brake Booster Control
- U034CSoftware Incompatibility With Battery Energy Control Module C
- U034DSoftware Incompatibility With Vehicle Thermal Management Control Module
- U034ESoftware Incompatibility With Active Grille Air Shutter Module A
- U034FSoftware Incompatibility With Active Grille Air Shutter Module B
- U0350Software Incompatibility With Active Grille Air Shutter Module C
- U0351Software Incompatibility With Active Grille Air Shutter Module D
- U0352Software Incompatibility With NOx Sensor C
- U0353Software Incompatibility With Ion Sense Module
- U0354Software Incompatibility With Hybrid/EV Battery Inductive Charger Control Module