Question about 1998 Buick Century

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Security light stays on - 1998 Buick Century

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When this happens, it is often the Theft Deterrent Module (TDM) that is dieing. Here is a great write-up to completely bypass the VATS/Passkey security system. This is what saved my car: http://newrockies.ca/vatsbypass

Posted on Jan 28, 2010

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