Here you’ll find all the OBD codes your car might show. Whether your check engine light is on or you’re just curious about what different codes mean, this is the place for you. We’ve got explanations, causes, and tips on how to fix issues for lots of codes.

Browse through available code ranges or use our built-in search bar to find exactly what you need. It’s easy to use and helps you understand your car better.

OBD Trouble Codes Ranges

b00 p00 p01 p02 p03 p04 p05 p06 p07 p08 p09 p0a p0c p10 p11 p13 p14 p16 p20 p21 p22 p23 p24 p25 p26 p27 p28 p2a p2b p34 u00 u01 u02 u10 u30

Most Popular OBD Codes

OBD CodeOBD Name
P0299Turbocharger/Supercharger A Underboost Condition
P0420Catalyst System Efficiency Below Threshold (Bank 1)
P0456Evaporative Emissions System - Small leak detected
P0107Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
P0171System Too Lean (Bank 1)
P0504Brake Switch A/B Correlation
P0031Generic: Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
P0014"B" Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)
P0102Mass or Volume Air Flow Circuit Low
P0017Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B)
P0106Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem

What Are OBD 2 Codes?

OBD stands for On-Board Diagnostics. Cars today have a built-in system to check everything’s running smoothly. When something’s off, your car saves a special code – an OBD 2 code – that tells you what the problem is.

Why Are They Important?

These codes are super helpful for a few reasons:

  • Spot Problems Early: Catching issues early can save you time and money on repairs.
  • Understand Your Car Better: Knowing what these codes mean helps you understand your car’s health.
  • Fix What’s Needed: Some codes might show small issues you can fix yourself, while others alert you to bigger problems.

How Do They Work?

Each OBD 2 code has its own meaning. The code starts with a letter (like P for engine and transmission problems) followed by numbers that pinpoint the issue. This system helps mechanics (and you) quickly figure out what part of your car needs attention.

Reading the Codes:

While tools and apps can read these codes, the key takeaway is that these codes are here to help. They’re a way for your car to communicate with you about what it needs to stay in good shape.

Keep an Eye on Your Car’s Health:

Regularly checking these codes can tell you a lot about how your car is doing. It’s like giving your car a quick health check-up. Some codes might pop up and then go away as your car fixes minor issues on its own. But if a code keeps coming back, it’s like your car saying, “Hey, please check this out.”

Stay Ahead of Repairs:

Understanding and keeping track of these codes can help you prevent bigger issues down the road. It’s all about staying one step ahead to keep your car running smoothly and safely.

Let’s Decode Together:

Our Hub is here to help you understand these codes in plain English. No mechanic lingo, just straightforward explanations. Dive in to learn more about your car’s language and keep it running happy and healthy!