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:

B001E: ISO/SAE Reserved

By OBD Codex / February 08, 2024

The B001E 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.

B001F: ISO/SAE Reserved

By OBD Codex / February 07, 2024

The B001F 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.

B0020: Left Side Airbag Deployment Control (Subfault)

By OBD Codex / January 29, 2024

If your vehicle is triggering the B0020 code, it's important to address the issue promptly to ensure your safety in the event of a collision. Read on now!

B0021: Left Curtain Deployment Control 1 (Subfault)

By OBD Codex / February 09, 2024

If your vehicle is triggering the B0021 code, it's important to address the issue promptly to ensure your safety in the event of a collision. Read on now!

B0022: Left Curtain Deployment Control 2 (Subfault)

By OBD Codex / February 09, 2024

If your vehicle is triggering the B0022 code, it's important to address the issue promptly to ensure your safety in the event of a collision. Read on now!

B0023: ISO/SAE Reserved

By OBD Codex / February 07, 2024

The B0023 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.

B0024: ISO/SAE Reserved

By OBD Codex / February 11, 2024

The B0024 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.

B0025: ISO/SAE Reserved

By OBD Codex / February 11, 2024

The B0025 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.

B0026: ISO/SAE Reserved

By OBD Codex / February 12, 2024

The B0026 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.

B0027: ISO/SAE Reserved

By OBD Codex / February 12, 2024

The B0027 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.