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:

U0371: ISO/SAE Reserved

By OBD Codex / February 08, 2024

The U0371 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.

U0372: ISO/SAE Reserved

By OBD Codex / February 08, 2024

The U0372 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.

U0373: ISO/SAE Reserved

By OBD Codex / February 11, 2024

The U0373 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.

U0374: ISO/SAE Reserved

By OBD Codex / February 14, 2024

The U0374 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.

U0375: ISO/SAE Reserved

By OBD Codex / January 19, 2024

The U0375 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.

U0376: ISO/SAE Reserved

By OBD Codex / January 19, 2024

The U0376 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.

U0377: ISO/SAE Reserved

By OBD Codex / January 19, 2024

The U0377 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.

U0378: ISO/SAE Reserved

By OBD Codex / January 19, 2024

The U0378 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.

U0379: ISO/SAE Reserved

By OBD Codex / January 19, 2024

The U0379 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.

U037A: ISO/SAE Reserved

By OBD Codex / January 29, 2024

The U037A 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.