Question about 2003 Volkswagen Passat

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How do i clear the service light without using a computer

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You can try unhooking the battery or the ECM fuse for a few minutes, this may or may not work. Make sure, if you have a factory radio that you have any codes that you may need if it locks you out.

Posted on Sep 27, 2009


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How do you shut off the ABS light after replacing rotors and pads on a 2000 Montana?

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How to reset the engine servce lisht.

The light has to be reset using a scan tool or code reader. What you are actually doing to turn off the "check engine" or "service engine soon" lamp is clearing the service codes. Disconnecting the battery cable won't clear the codes on most vehicles built after 1994. You should note what the service code[s] are that caused the computer to turn the light on and have those problems repaired othewise the light will come on again after a few drive cycles once the computer sees that the same problems are still there.

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1 Answer

Service engine soon light

You need to have the vehicle scanned or pull the code out with a code reader,and address/fix the code.If you do not repair the problem,you can clear the code,but the service engine light will come right back on.To clear the code,you can disconnect the negative terminal on the battery for at least 20 minutes,then reconnect the battery,but the car is going to be hard to get to idle,because sometimes the computer has to relearn how to idle the engine without stalling.Good luck.

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