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Posts Tagged: how Passlock works

How Passlock works

Learn how Passlock works Passlock works to prevent vehicle theft by shutting of the fuel injectors if a thief tries to remove the lock cylinder from the vehicle. Removing the lock cylinder with a slide hammer is a very common theft technique. Learn how Passlock works by reading this article. Passlock components • Ignition lock cylinder and key     • Ignition lock cylinder case, including the Passlock™ sensor           • Ignition switch           • Body control module (BCM)       … Read More

Passlock fixes

How to fix PassLock problems This is one in a series of Passlock fixes articles. READ THIS ARTICLE FIRST GM made several different types of anti-theft systems. VATS, PassKey, and PassLock. The troubleshoot and reset procedures are different for each. PassLock seems to have the highest failure rate. So if you have a key WITHOUT a chip in it, chances are it’s a PassLock system. This article describes how to troublshoot and fix a PassLock system. But here are some more articles to help Click here to see the resetting procedure for … Read More


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