Disconnecting the power to the car, or computer for any length of time will not reset the check engine light, or service needed lights. The memory for these lights is stored in non-volatile memory of the computer in the car.
In an OBDI or an OBDII system you must access the computer to reset these lights.
As a suggestion if you have a local autoparts store they sometimes have a �Loan a Tool� program where you can rent a cheap computer access tool (This is not an endorsement, but I know Autozone rents this tool for both systems).
If after resetting this light, it returns then you will need to correct the problem before it can be properly reset.
reset service engine light
A reset Engine Service Light comes on when an issue comes up with in the engine. This light can be reset by a tech or by fixing the problem.
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reset after the engine oil / filter change, service
The service engine light has to be reset with a scanner. Disconnecting the battery will not work. The light will come back on unless you make the necessary repairs.
The service engine or check engine light can be reset with a scan tool or by unhooking the battery. The light will return if the failure that caused the code is not repaired.
There are a couple of ways to reset the Service Engine Soon light on a Suzuki Grand Vitara. The easiest way is to get a scan tool from your local auto parts store. Using the scan tool will reset the service engine light. Disconnecting your vehicle's battery is another way that often works to reset the Service Engine Soon light.
How do i reset a service engine light on a 2005 gmc c6500 cat engine
The service engine soon is the same as a check engine light. It has nothing to do with an oil change.
The service engine soon, or check engine, light is reset with a scan tool after repairing the cause of the trouble codes.
I was told by a co-woker that if you disconnect the negative battery cable for about 20 minutes or so that will reset the service engine light.
You need a scan tool to reset light after repairing the code.
The service engine light on a 1995 Land Rover is reset by connecting an OBDII code reader to the vehicle's computer. It can quickly and easily rest the light.
I reset the check engine light on my jeep by disconnecting it from the battery.
My experience has been that if you disconnect the battery cables and leave them off for a minute, then reconnect them, the service engine light should have reset.
It is important to pay attention to the warning lights on a car. To reset a service engine light on a car, a person must fix the problem causing the light to go off.
Try going to autozone they check the engine light signals for free and have reset mine
Check the drivers manual, it will explain how to reset the service engine light.
Why? Just reset it.
The engine check light on Chrysler town & country come on only when there is problem with any sensor Mal function which set off the engine check light. To reset this indication light read the OBD code and correct the corresponding problem. Once the cause of problem is corrected, than only OBR scanner will reset this service engine light can be reset.