How to Read and Delete Dtc Code

The Check Engine Low-cal indicates that there is a trouble with the auto. Either the engine is having a trouble or the emission control organization has detected an consequence. This malfunction is indicated past triggering the Bank check Engine Light (CEL).

The indicator light is sometimes likewise referred as Malfunction Indicator Light (MIL). This alarm low-cal is the primary indicator to warn you lot virtually issues with the vehicle. Ignoring the alarm can crusade serious damage to the car.

There is e'er at to the lowest degree 1 OBD2 diagnostic trouble code associated with the check engine light. When the vehicle detects an issue, it volition set up an active trouble code and trigger the CEL. This tutorial will prove you how to read the diagnostic problem codes and reset the Check Engine Light yourself.

Read the Diagnostic Trouble Codes

Reading the diagnostic trouble codes (DTCs) is an important pace to showtime with. The DTCs will tell you the reason for the error. The codes help you identify the issue and determine the crusade. Reading the codes is piece of cake.

Prepare the vehicle for connection

• Locate the OBD-II diagnostic connector in your car. Search for 16-pin D-shaped connector that volition lucifer the adapter. The connector should be located close to the steering cycle. Typical identify for the socket is the compartment under the driver'due south side dashboard.

• Connect the OBD2 dongle to the connector. Make sure the adapter is tightly attached but don't use too much force.

• Plough ignition key to the ON position. Don't start the engine because to reset the lite, the engine shouldn't be running. If the dongle has some LEDs, they should start blinking. If the dongle has on/off switch, make sure it is turned on.

Utilise OBD software to read the codes

Now, launch the OBD Motorcar Doctor car diagnostic software and connect to the dongle. The connection procedure is a bit dissimilar depending on the platform you are using. It besides depends on the connection method (Bluetooth, WiFi or USB). Refer to the connection instructions of the platform and dongle.

If you are using the desktop version (PC, Mac or Linux), continue with the step A. Otherwise, continue to the step B for mobile app (Android or iOS) usage.

A. Read the DTCs with the desktop software

• To read the DTCs with the desktop software, navigate to Trouble Codes from the left navigation panel. The software will read and show the information.
• Alter the tab in the peak to switch the view between confirmed, pending and permanent DTCs and freeze frame.

Problem Codes view on Windows. Confirmed DTCs tab active.

You lot can besides export all the codes and the freeze frame to a text file to keep history of events. While in the Trouble Codes view, click Export and save the file to your figurer.

B. Read the DTCs with the mobile app

• Reading the DTCs is very simple with the mobile app, just navigate to Trouble Codes tab. The app volition fetch the information for you.
• To go detailed data, navigate to Diagnostic Problem Codes and/or Freeze Frame

General Problem Codes view

Detailed Diagnostic Trouble Codes view

You lot can also export all the codes and the freeze frame. While in the Problem Codes tab, tap the share button from the top header and select the preferred method. This manner you tin save the diagnostic information for later on analysis.

Reset the Check Engine Light

Most of the time the diagnostic trouble codes announced for a adept reason. You should investigate the codes and prepare the issues causing the errors. Only after fixing, you should proceed to resetting the check engine light. If you oasis't fixed the bug, the same codes might come back immediately.

All the same, sometimes the error codes occur from a random failure and there'south cipher to fix. In this example, you tin reset the check engine lite and hope the issue doesn't come dorsum. If it wasn't just a random failure, the error returns. Yet, you should ensure that at that place are no problems with the car every time before doing the reset.

Clear diagnostic information

Resetting the check engine lite will articulate the diagnostic trouble codes too. It will also clear all other diagnostic information such equally stored freeze frame data and status of exam results. Afterward the reset, the motorcar may run poorly while information technology performs re-scale.

I important thing to annotation is that resetting the CEL will reset the readiness monitors. This means that your machine will not pass emissions inspection immediately after the reset. Considering the emissions information is deleted, the smog device will fail your auto. Read more than nigh the emissions or readiness monitors and how to go them ready from this tutorial

After you accept read the DTCs, you tin continue to immigration the codes and the alert light. Depending whether you are using the desktop software or the mobile app, continue to either footstep A or stride B appropriately.

A. Use Windows, Mac or Linux to reset the Check Engine Light

To reset the Check Engine Low-cal with your computer:

• Click the Articulate the DTCs push in the Trouble Codes view. Read and admit the data presented.

Now, the reset command is send to the car and the light is cleared. To see analogy of the procedure, check the brusk blitheness below.

How to reset Bank check Engine Light with Windows, Mac or Linux

B. Use Android or iPhone to reset the Cheque Engine Low-cal

To reset the Check Engine Calorie-free with your mobile device:

• Tap the Reset trouble codes and MIL push button. Read and acknowledge the information presented.

At present, the reset control is ship to the car and the low-cal is cleared. To see curt illustration of the process, bank check the animation below.

How to reset Cheque Engine Low-cal with Android

Summary

Resetting the Check Engine Light is very piece of cake process. More piece of work is required for analysing the root cause of the alarm and fixing the possible issues. Luckily, the car itself helps you lot get started. It provides the Diagnostic Problem Codes and other diagnostic information about the problem.

Avert expensive dealer visits past reading the codes and resetting the warning light yourself. It's a practiced thought to get the software and dongle right now. Waiting for the bodily issues to appear might be too late. Getting yourself familiar with the tools when everything is working fine is a great start.

Avoid battery reset

Resetting the DTCs is sometimes as well possible past disconnecting the bombardment for awhile. We practice not recommend this method. New vehicles tin have systems that need constant battery voltage. Disconnecting the battery can cause new issues with these systems. For example, the car theft organisation or infotainment system might be reset. Resetting the DTCs with a OBD tool is the recommend way. That's how the professional mechanics do it and you should too.

Editor's note: This tutorial has been updated in March 2020 for accuracy and the latest information.

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Source: https://www.obdautodoctor.com/tutorials/how-to-read-and-reset-the-check-engine-light/

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