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How do I reset the onboard computer - 2002 Chevrolet Impala

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You can reset the computer by removing the positive battery cable for a minute or so.

Posted on Oct 03, 2009

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Posted on Jan 02, 2017

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Is there a reset button to reset ur check engine when it come on so that I can reset it myself


No. Your vehicle is not equipped with any "reset" button to reset the check engine light.

If you want the check engine light to turn off, the proper method is to scan your onboard computer network to check for stored fault codes. Then you perform the diagnostic tests that are indicated by the fault codes. In doing this, you then pinpoint the actual cause of the failure. Once the cause of the failure is determined, the appropriate corrective action must be performed to fix the fault (replace part, repair electrical circuit, reprogram computer, etc.). Only then, should any "reset" be performed. This requires the use of a scan tool that can interface with the onboard computer network and perform all of the functions required to complete the system tests and determine the cause of the fault and also to verify that the fault has been corrected.

Failure to do it this way will only result in repeated system failures (with the light coming right back on), poor fuel economy, and possible severe engine/emission system damage, which will cost a LOT more money to fix. (Which is WHY the manufacturer did not provide you with any "reset" button.)

Mar 18, 2012 | 2010 Kia Optima

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Onboard computer


Which onboard computer are you looking for? Your vehicle is equipped with at least four onboard computers, and possibly up to seven of them, depending on how your Cirrus is equipped.

Jan 22, 2012 | 1998 Chrysler Cirrus

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How do I reset the onboard computer on a 1999 jeep grand Cherokee


If you don't have a scanner tool, just disconnect the ground cable for about 15min, that should reset any trouble codes you might have. Good Luck.

Sep 06, 2010 | 1999 Jeep Grand Cherokee

1 Answer

When accelerating dogs down


yes just about any repair shop can reset the computer as long as they have an obd scanner.

Feb 11, 2010 | 2001 Ford Focus

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Reset the onboard computer


They mean to turn the ignition key from lock to run (don't turn it all the way to start) and back to off a few times. It's like restarting your computer after installing updates. Or you can unhook the negative battery cable for a couple of minutes to clear the codes from the computers memory.

Sep 13, 2009 | 2000 Daewoo Leganza

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how to reset computer on Opel Vectra A '89?

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Engine servicing light indicator is on


I HAD THIS HAPPEN TO ME A WHILE BACK. I TOOK THE CAR TO A CHECKER AUTO PARTS STORE, AND THEY HOOKED UP A HAND HELD DEVICE UNDER THE DASH THAT READ OUT THE PROBLEM,FROM THE ONBOARD CUMPUTER ( A CYLINDER NOT FIRING) , WHICH I HAD ALREADY FIXED ( I WAS MISSING ON 1 CYLINDER DUE TO WATER THAT GOT DOWN INSIDE UNDER THE SPARKPLUG BOOT .THEY ALSO CAN USE A CODE TO RESET THE LIGHT SO IT GOES OFF ONCE THE PROBLEM THAT THE ONBOARD COMPUTER HAS PICKED UP IS RESOLVED. CHECKER RESET THE COMPUTER AN THE LIGHT WENT OFF. THEY DID THIS FREE OF CHARGE!

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1 Answer

1992 grand prix


To reset the computer you need to unplug the battery wire and leave the car foe about 30 minutes , If have the same problem again it might be the onboard computer is defective you need to change it...............

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