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:

B0340: ISO/SAE Reserved

By OBD Codex / January 21, 2024

The B0340 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.

B0341: ISO/SAE Reserved

By OBD Codex / January 07, 2024

The B0341 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.

B0342: ISO/SAE Reserved

By OBD Codex / January 07, 2024

The B0342 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.

B0343: ISO/SAE Reserved

By OBD Codex / January 07, 2024

The B0343 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.

B0344: ISO/SAE Reserved

By OBD Codex / January 16, 2024

The B0344 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.

B0345: ISO/SAE Reserved

By OBD Codex / January 21, 2024

The B0345 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.

B0346: ISO/SAE Reserved

By OBD Codex / January 16, 2024

The B0346 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.

B0347: ISO/SAE Reserved

By OBD Codex / January 16, 2024

The B0347 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.

B0348: ISO/SAE Reserved

By OBD Codex / January 16, 2024

The B0348 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.

B0349: ISO/SAE Reserved

By OBD Codex / January 16, 2024

The B0349 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.