How do you read a diagnostic code?

How do you read a diagnostic code?

1. How to read OBD codes: Preparation.
2. Step 1: Plug the OBD scanner into the OBD port.
3. Step 2: Turn on the ignition.
4. Step 3: Enter the Vehicle Identification Number.
5. Step 4: Find OBD codes in the menu.
6. Step 5: Interpret the first character of the OBD code.
7. Step 6: Interpret the second character of the OBD code.

What are car diagnostic codes?

Diagnostic Trouble Codes, also known as engine fault codes, are five-digit codes that identify a particular problem in the car. Each individual combination of letters and numbers relates to a specific problem within the car, whether a generic issue or a manufacturer-specific error.

What does o mean on code reader?

The P indicates it’s a powertrain code, the 0 indicates that it is a generic or universal code. The 3 means the area or subsystem is an Ignition System code.

What are diagnostic trouble codes?

What Are Diagnostic Trouble Codes? 1 The on-board computer diagnostic system is the integrated tool that monitors many of your vehicle’s essential systems. 2 The diagnostic trouble code is the code your OBD generates to tell you something is wrong. Reading as a series of five… More

Where can I find the diagnostic trouble code on my car?

This engine code, called a Diagnostic Trouble Code (DTC), is stored in the OBD system and can only be accessed by connecting a scan, or diagnostic tool into the EOBD diagnostic socket and reading the DTC off the display of the scanner.

What do the codes on the OBD scan tool mean?

These codes are displayed on the scanning tool when it’s connected to the OBD system. The five-digit DTC includes one letter usually followed by four numbers (e.g. P1234). Each individual combination of letters and numbers relates to a specific problem within the car, whether a generic issue or a manufacturer-specific error.

Where can I find OBD II codes for my car?

Some Vehicle Specific Codes. Full list of OBD II Diagnostic Trouble Codes. If your Check engine light is on you may have a serious problem. Scan your codes and follow the chart to determine what the code means. Some parts stores will scan your codes for free. Autozone is one place that will give you the code number.