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Immoblizer activated

1199 Views 2 Replies 3 Participants Last post by  chittychittybangbang, 
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I have passat 2003 my problem the car did not start and show immobilizer activated and battery light on
i replace the battery a week ago but the problem just happen yesterday any one can help me
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Keithuk
Welcome to the forum. welcometomyturbodies

These immobilizers can be a pain in the a**e. My http://www.myturbodiesel.com/forum/f4/passat-immobilizer-4472/.

I'm don't know what you mean by battery light? Are you refering to the generator light? ;)
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chittychittybangbang
That is strange. Is the battery defective? Use a voltmeter to check the battery voltage around 11.8 and generator w/engine running, around 14. The immobilizer normally resets if you leave the car on for a half hour or so with the key ig nition.
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