Rick's Free Auto Repair Advice

Passlock reset procedure

How to perform a PassLock Reset

This is one in a series of articles. READ THIS 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 PassLock

Click here to see the trouble codes for a PassLock system

Click here to see a typical PassLock wiring diagram

IF you have a PassKEY system, click here to see the reset procedure

Passlock Reset procedure. Reset security system on chevy, buick, oldsmobile, cadillac, pontiac, saturn, hummer.

Make sure the battery if fully charged because this procedure may take up to 30 minutes and you cannot start the vehicle during this time. The instrument panel cluster (IPC). BCM and PCM must be in working order and the Passkey system repaired

1. Turn the key to ON and attempt to start the engine and release the key to the ON position.

2. The SECURITY light will illuminate. Wait 10 minutes until it turns off.

3. Turn the key to OFF for 10 seconds.

4. Turn the key to ON and attempt to start the engine. If it starts and run, the system has reset. If it doesn’t start or run and release the key to the ON position and complete the rest of the steps.

5. The SECURITY light will illuminate. Wait 10 minutes until it turns off.

6. Turn the key to OFF and wait 10 seconds.

7. Turn the key to ON and attempt to start the engine and release the key to the ON position.

8. The SECURITY light will illuminate. Wait 10 minutes until it turns off.

9. Turn the key to OFF and wait 10 seconds.

10. Start the engine

 

© 2012 Rick Muscoplat


Posted on by Rick Muscoplat


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