Generic Codes

Generic OBD2 codes are standardized codes that apply to all cars that are OBD2 compliant, regardless of the make or model. 

Our collection of articles on this page provides a wealth of information about these codes, going beyond just an explanation of what they mean. We analyze each code in detail, providing technical explanations, common causes, symptoms to look out for, and recommended solutions for each issue.

So why wait? Start exploring now!

In a hurry? Quickly jump to the code you're facing:

U30F8: ISO/SAE Reserved

By OBD Codex / February 15, 2024

The U30F8 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.

U30F9: ISO/SAE Reserved

By OBD Codex / February 05, 2024

The U30F9 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.

U30FA: ISO/SAE Reserved

By OBD Codex / February 16, 2024

The U30FA 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.

U30FB: ISO/SAE Reserved

By OBD Codex / February 13, 2024

The U30FB 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.

U30FC: ISO/SAE Reserved

By OBD Codex / February 11, 2024

The U30FC 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.

U30FD: ISO/SAE Reserved

By OBD Codex / February 10, 2024

The U30FD 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.

U30FE: ISO/SAE Reserved

By OBD Codex / February 09, 2024

The U30FE 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.

U30FF: ISO/SAE Reserved

By OBD Codex / February 08, 2024

The U30FF 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.

U3100: ISO/SAE Reserved

By OBD Codex / February 03, 2024

The U3100 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.