The check engine light reset procedure can go down two paths.
Check engine light code reader and reset.
Check engine lights don t come on for no reason.
You may also need to manually reset the light after making repairs if the code doesn t clear automatically.
The best way to reset a check engine light is to use a code scanner.
A scan tool will not only clear the check engine light but it will allow you to see why the check engine light is on in the first place.
It s still recommended to check the trouble codes first with an obd2 scanner if the check engine light is on.
The simplest way to reset the check engine light is with an obd2 scanner.
In this case if you don t know how to reset check engine light here are 4 useful way for you.
The check engine light comes on when your car s computer detects an issue within the powertrain.
This will walk you through how to retrieve the codes and reset the check engine light.
Here are some different ways how you can reset your check engine light.
Since the 1980s many vehicles have been built to be run by the engine computer unit ecu which controls vehicle s drivetrain and auxiliary systems based on input from the vehicle s sensors this computer will make adjustments to your vehicle s performance to keep your ride running smoothly.
I will explain both for you but i only recommend using a scan tool.
You can use a code scanner to retrieve and clear the codes which is the proper method.
This option is the most efficient and thorough.
Most of drivers feel annoying when they see the check engine light still turn of even the car problem was solve.
Innova 3040c code reader.
This light is the centerpiece of your vehicle s on board diagnostics system obd.
Use a scan tool or code reader.
Autel ms300 universal obd2 scanner car code reader turn off check engine light read erase fault codes check emission monitor status can vehicles diagnostic scan tool 4 4 out of 5 stars 7 977 19 99.
Or you could disconnect the battery and drain the memory holding capacitor in the computer to clear it that way.
An easier way to clear the check engine light codes is to use an auto scan tool.