go to your local parts store have them take the diagnostic scanner and turn it off or see why its on also you could try taking off the negative battery cable leave it off for a couple minutes and put it back on
The check engine light on a 2005 Jeep Grand Cherokee looks like this... Here is a link Check Engine Light It looks like a little yellow engine.
How to reset service light on a 2004 grand am
A flashing check engine light normally means you have a misfire.
Time for an oil change.
AnswerThe answer can be found in your owner's manual.Key on, engine off.Press "step" until "0 miles to service" is displayed. Press and hold "reset".
Check engine light is reset with a scan tool.Oil change due is reset by pressing "step" until "0 miles to service" is displayed. Then press and hold "reset" until it resets.
The 1993 Jeep grand Cherokee brake light switch simply plugs in and out. The brake light switch is located beneath the dashboard on the drivers side of the engine compartment.
The perform service reminder is a mileage counter for oil changes.
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Disconnect the negative battery cable for about two minutes and that should reset your check engine light.
A "perform service" light on a 1994 Jeep Grand Cherokee Limited indicates that the vehicle is due for some kind of maintenance. This is likely to be a regular oil change or tune-up.
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.