How to clear a check engine light using a scan tool, for this specific tutorial I’m using my Topdon ArtiDiag 600 S. This method is only applicable to vehicles equipped with the standardized OBD2 diagnostic system and something available on vehicles 1996 and newer. #checkenginelight #topdon #mechanic

Topdon ArtiDiag 600 S: https://amzn.to/3IFSyq1

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Tools/Supplies Needed:
-OBD2 scan tool

Procedure:
First is locating the OBD2 port which is 3’ or 91 cm within the steering wheel. This truck, it’s located under the steering column. Then plug in the scanner and wait for it to turn on.

You’ll also need to have the key in the on position, but not with the engine running.

Wait a moment for the scanner to start and then you can select the options. There are a couple of different ways to clear the codes and I will show you both. For the first method, click on diagnosis.

Then autosearch.

The VIN will be scanned, and this will be decoded stating what year, make, model, and engine your vehicle is equipped with.

Click okay to prompt the next menu.

Go through the various prompts and then you’ll be shown this menu, click health report.

Allow the system to be scanned. This will scan your PCM, TCM, ABS, SRS, BCM, CCN, WCM, HVAC, and audio systems on your vehicle. These areas may or may not be scannable depending on the year of your vehicle.

As you can see there are various fault codes in each section shown by a number in a red bubble. Some of these faults may overlap in different sections, so there will be the same fault code. Click on one of the areas.

Read fault codes and as you can see there are two codes.

Go back.

Clear codes and then click yes. Clearing codes with this method will only clear the codes for each component section which is great for maintaining the other codes if you’re working on one area at a time. As you can see there are no more codes in this section.

We can also do a system scan which is more text-oriented than visual.

Again it’s broken up into sections, we can select one of the sections, read the code, and then clear the code.

Now going back to the home screen, select OBD2 which is more of a general setting.

Go through the screens, again your VIN will be scanned.

Read the fault codes, this will only be specifically for the engine.

Going back, we can clear the codes here too. This will clear all the engine codes.

Then we can do back into scanning and see that no codes are present.

Now to clear all the codes at once, this includes all the areas and not one specific section. Go back into diagnosis, then allow the VIN to be scanned and follow the prompts, this is similar to previously.

Again go into the health report.

When done scanning, we can click clear DTCs which stands for diagnostic trouble codes. This will clear all the codes as long as the code cannot be read right after. I do have some faults which pop up right away. It’s also worth making note that to maintain an erased code, the problem should have been fixed. If a problem isn’t fixed, the code will keep reappearing.

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