How To Turn Off Check Engine Light

How to Turn Off Check Engine Light Systems Using a Code Scanner

 how to turn off check engine light

It isn’t always advisable to just unplug the battery when people go over the steps on how to turn off check engine light diagnostic systems. This specific method or technique might work in rather older cars but if a car owner is driving one of the newer car models today, then simply turning off the engine and disengaging the battery won’t do the trick. In fact, it may even cause several problems depending on how the car’s computer system is designed.

How to Turn Off Check Engine Light – The Basics

The check engine light system is a computerized diagnostic tool that can alert the driver to possible problems with the car’s engine or some other related part. Sensors are installed in various strategic sections of the car’s engine. In case a certain part malfunctions then the appropriate sensor will signal the car’s computer system to flash a corresponding check engine light code on the dashboard.

With today’s newer car models, the steps on switch off check engine light diagnostic systems won’t be as easily done like before. There are two options available to car owners when they are faced with the flashing light codes on the dashboard. First off is to bring the car to the service center. This option will definitely cost some money, which some car owners consider a total rip off.

Another option is to use a code scanner when going over the process on how to turn off check engine light system. Car owners will definitely have to spend some money on a code scanner but it is surely several notches cheaper than bringing the car to the service station every time the lights on the dash start flashing.

Tip: A lot of things can cause the diagnostic lights to flash on the dashboard. It doesn’t automatically mean that something is seriously wrong with the car’s engine, which means that learning how the system work will be necessary. The actual steps on how to turn it off aren’t that complicated.

How to Turn Off Check Engine Light – Simple Steps

The first step on troubleshooting the engine light systems is to grab the handheld code scanner and plug the scanner cable to the on board diagnostic port near the dashboard. Note that some car manufacturers have positioned this diagnostics port near the steering wheel right underneath the dash. This will constitute the toughest part of the steps on how to turn off check engine light systems, which means the rest will be a lot easier.

Next, turn the ignition key and move it into its “ON” position. Do not start the engine during this stage. The next phase on how to turn off check engine light diagnostic systems will require car owners to use the code scanner. Press the “Read” button on the handheld code scanner. Be sure to have a pen and paper ready and note that it might take a few seconds for the code scanner to fetch the code from the car’s computer system.

When a code is displayed on the scanner’s screen, be sure to write it down. The display will pause for a short moment and then a new code will be displayed if there is any. Remember that there might be multiple issues that need to be addressed. Refer to the code sheet that came with the car to find out what the code means and repair any issues if needed. Finally, press the “Erase” key to delete the diagnostic code and that is how to turn off check engine light systems.

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