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.
Check engine light code reader and reset.
You may also need to manually reset the light after making repairs if the code doesn t clear automatically.
Most of drivers feel annoying when they see the check engine light still turn of even the car problem was solve.
Check engine lights don t come on for no reason.
These scanners have come a long way and now include better documentation.
You can use a code scanner to retrieve and clear the codes which is the proper method.
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.
The simplest way to reset the check engine light is with an obd2 scanner.
I will explain both for you but i only recommend using a scan tool.
This will walk you through how to retrieve the codes and reset the check engine light.
Innova 3040c code reader.
Here are some different ways how you can reset your check engine light.
In this case if you don t know how to reset check engine light here are 4 useful way for you.
Use a scan tool or code reader.
The best way to reset a check engine light is to use a code scanner.
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.
It s still recommended to check the trouble codes first with an obd2 scanner if the check engine light is on.
But if you do not have one available you can often do it without one.
The check engine light reset procedure can go down two paths.
Or you could disconnect the battery and drain the memory holding capacitor in the computer to clear it that way.
This option is the most efficient and thorough.
An easier way to clear the check engine light codes is to use an auto scan tool.