Category Archives: OBD Diagnostics

How to use OBD data to discover vehicle health, optimize for better performance… or use it to find complex “hair-pulling” car issues.

Categories, Meaning, and Readability of Diagnostic Trouble Codes

Categories, Meaning, and Readability of Diagnostic Trouble Codes

This article will go over the categories, meaning, and readability of Diagnostic Trouble Codes. Hopefully it will help you to understand your car’s trouble codes. However, you should keep these tips in mind: Diagnostic Trouble Codes When your check engine light comes on, you’ve probably wondered what these diagnostic trouble codes are. They are simply… Continue Reading

How to Scan Car Codes For Free

How to Scan Car Codes For Free

The Internet is a great place to learn how to scan car codes for free, but beware of what you might find. Free diagnostics will only tell you where the issue is, not what’s really causing it. Certified automotive professionals can correctly diagnose the true issue behind the code. Here are some free options: Advance… Continue Reading

How to Interpret OBD II Scan Tool Codes

How to Interpret OBD II Scan Tool Codes

The main purpose of a scan tool is to provide a diagnostic clue to an ailing car. But it rarely means that a part is required. Further diagnostics may be needed with a digital storage oscilloscope or other test equipment. Parts stores, in particular, are not in the repair business. They are more interested in… Continue Reading

Troubleshooting Codes For Cars

Troubleshooting Codes For Cars

The OBD-II troubleshooting codes on a car are a common problem with modern vehicles. This article will discuss some of the most common reasons for these codes and how to read them. There is a lot of information to learn about these codes and what they mean. You can also use these troubleshooting codes to… Continue Reading

How to Read Car Scan Codes

How to Read Car Scan Codes

A check engine light is a warning sign that something is wrong with the car’s engine management system (EMS) or another part of the vehicle. It also tells you if the problem is related to the engine’s Diagnostic Trouble Codes (DTCs), five-digit codes that describe a specific problem with the car. The DTCs are displayed… Continue Reading

How to Read Car Scanner Codes

How to Read Car Scanner Codes

What can a car scanner do? These “nonvolatile” memories are found in all vehicles and are very difficult to read unless you know how to use one. You can’t just plug in any old scanner and start scanning, however. You must buy a scanner that is designed for your car’s model year and make. The… Continue Reading

What Are the OBD-II Fault Codes?

What Are the OBD-II Fault Codes?

What are the OBD-II fault codes? P-codes and C/A codes are two of the most commonly encountered types. These codes represent errors in your car’s OBD-II diagnostic system. In this article, we’ll explain the differences between the two. Then, we’ll discuss how to diagnose the problem based on the code you see. And finally, we’ll… Continue Reading

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