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The U03FA code is a generic ISO/SAE Reserved code that may appear in your vehicle's diagnostic system. Read on to learn more about it and what you should do to deal with it.

The U03FB code is a generic ISO/SAE Reserved code that may appear in your vehicle's diagnostic system. Read on to learn more about it and what you should do to deal with it.

The U03FC code is a generic ISO/SAE Reserved code that may appear in your vehicle's diagnostic system. Read on to learn more about it and what you should do to deal with it.

The U03FD code is a generic ISO/SAE Reserved code that may appear in your vehicle's diagnostic system. Read on to learn more about it and what you should do to deal with it.

The U03FE code is a generic ISO/SAE Reserved code that may appear in your vehicle's diagnostic system. Read on to learn more about it and what you should do to deal with it.

The U03FF code is a generic ISO/SAE Reserved code that may appear in your vehicle's diagnostic system. Read on to learn more about it and what you should do to deal with it.

The U0400 code is a generic ISO/SAE Reserved code that may appear in your vehicle's diagnostic system. Read on to learn more about it and what you should do to deal with it.

Is the U0401 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.

Is the U0402 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.

Is the U0403 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.