How To Read OBD2 Codes Without Scanner GMC

What do you do when you see any problem with your car? Most people are in a hurry to call a mechanic when they face any problem in their car. They don’t know how to read OBD2 codes without scanner GMC as well.

And today I’ll talk about the reading process of OBD2 codes without the scanner. The professionals can read the obd2 codes and tell about the problem exactly. There are methods to know about the OBD2 codes, which will help you to read the codes and find out the problem.

How To Read OBD2 Codes Without Scanner GMC

So, in this article, you are going to know about the OBD2 scanner, GMC check engine code, and the methods to find out the problem by reading codes. Let’s start.

What Are The OBD2 Codes?

OBD2 codes are the codes to find out your car’s problem while driving. These codes are used to notify you about the problem by showing light on the display. A vehicle can store memory for different troubleshooting problem and they can display when they face a problem.

This code will help you to identify the exact problem, and you will be able to solve the problem. You will see that OBD2 codes will be of one and 4 digits, and this message will inform you about your vehicles’ condition.

So, OBD2 codes are very important to maintain your car’s health. And for that, you need to know how to read these codes. There is a simple way to read the code where you can use a Scanner or Android apps. If you don’t have the scanner, then you can also read those codes without it. So, let’s read the code without a scanner.

How To Read OBD2 Codes?

You can follow two methods to read the ODB2 codes without a scanner. These methods are very easy to perform, and you will get the exact error code from these methods. So, let’s check them out.

Method 1: Using Ignition Key

So, what’s an ignition key? Well, an ignition key is used in a car to turn on the battery switch so that the light and other electric devices can perform.

  • First, turn on and off the ignition key.
  • At that time, you should not crack the engine.
  • It would be best if you continue this on/off process according to your vehicle type and condition.
  • Then you should end the process by keeping the key turned on.
  • Now, look at the indication light board to discover the check engine or service light.
  • You will see pulse, and the pulse refers to numbers that are related to troubleshooting numbers.
  • If you write down the codes, you will be able to find your car’s problem.

Method 2: Using Odometer

Do you know what an odometer is? Well, an odometer is a device or you can call it an instrument that is used to measure the distance your car has traveled. You can read ODB2 codes with the help of an odometer also.

If you don’t know how to clear the engine light without a scanner, then follow these steps-

  • At first depress the odometer of your vehicle.
  • By pressing the Trip and Reset buttons simultaneously, you will see that the ignition key is turning on and off.
  • After that, you need to release the odometer button to get the error codes and you are done.
  • The code will help you to find out the problems of your vehicle.


  • Can you read OBD2 codes without a scanner?

Yes, you can read and understand the OBD2 codes from your car without a scanner. It’s very easy, and everyone can read. For doing this you need to make sure that you have an odometer in your car.

  • How can I check my engine code without a code reader Ford Explorer?

You can check your engine code without a code reader I mean a scanner for your ford explorer. To do so, you need to press and hold the reset button, and then you need to turn on the accessory key. For your Ford Explorer, keep holding the button until the TEST word appears.

After that, go to the odometer button and push it again to start the onboard test. It would be best if you pressed the button to get an error code, and by that code, you will get your car’s problem.

  • How do I read OBD2 codes?

You can use scanner to read the OBD2 codes and get the scanner from the car’s shop or online. Again you can use an android app to know about the problems. In this way, you will be able to read OBD2 codes and solve the problem of your car.

Additional Tips

You may follow some additional tips to become a professional in reading ODB2 codes and solve the engine problems. So, let’s see the tips-

  • You should always keep in mind about the engine health and use the best engine oil. Again, you will face fewer problems if you maintain the engine regularly.
  • As a car owner, you need to know about the error codes so that you can solve the problems as soon as possible.
  • If you are using a scanner, then you need to know how to use a scanner to see the error codes. Try to show your codes to a professional if you don’t know.

Final Note

I hope you know how to read OBD2 codes without scanner GMC and are reading your car’s error codes right now. You need to know the codes’ meanings very well so that you can solve them.

Always try to show your problem to a professional who knows a lot about error codes. And if you have exact knowledge about the codes, then you can deal with the problems.

You should be very careful while fixing your engine as it’s slightly dangerous when you don’t know what to do. So, my suggestion will be to you that if you don’t know how to fix it, then don’t approach.

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