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:

U30A8: ISO/SAE Reserved

By OBD Codex / February 09, 2024

The U30A8 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.

U30A9: ISO/SAE Reserved

By OBD Codex / February 09, 2024

The U30A9 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.

U30AA: ISO/SAE Reserved

By OBD Codex / February 15, 2024

The U30AA 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.

U30AB: ISO/SAE Reserved

By OBD Codex / February 15, 2024

The U30AB 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.

U30AC: ISO/SAE Reserved

By OBD Codex / February 09, 2024

The U30AC 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.

U30AD: ISO/SAE Reserved

By OBD Codex / February 09, 2024

The U30AD 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.

U30AE: ISO/SAE Reserved

By OBD Codex / January 20, 2024

The U30AE 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.

U30AF: ISO/SAE Reserved

By OBD Codex / January 20, 2024

The U30AF 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.

U30B0: ISO/SAE Reserved

By OBD Codex / February 15, 2024

The U30B0 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.

U30B1: ISO/SAE Reserved

By OBD Codex / February 15, 2024

The U30B1 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.