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01 malibu key cylinder problem

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New User

Mar 3, 2011, 12:54 AM

Post #1 of 3 (1731 views)
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Malibu LS
3.1 V6

i was able to start my car for the past four days. i drove it to school to replace the head gasket, and when i got there i pulled the key out of the ignition went inside to open a bay door. i got back into my car and my key will go in and out of the key cylinder but will not turn. i was told that if i buy a new one that all i had to do would be to just turn the key to the on position for 10mins. and that would fix it. some one else said it would have to have the computer flashed who is right? and how do i fix it?

Hammer Time
Ultimate Carjunky / Moderator
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Mar 3, 2011, 5:21 AM

Post #2 of 3 (1724 views)
Re: 01 malibu key cylinder problem Sign In

Auto Learn:

Time required, approximately 10 minutes.

  1. Insure that the battery is fully charged.
  2. Use the scan tool in order to clear the DTCs.
  3. Turn the ignition switch from the OFF position to the CRANK position attempting to start the vehicle. The vehicle will start and then stall.
  4. Leave the ignition switch in the ON position while observing the security indicator.
  5. When the security indicator turns off, which can take up to 10 minutes, turn the ignition switch off. Wait 10 seconds.
The BCM and the PCM will learn the new code on the next start attempt.


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

New User

Mar 3, 2011, 6:37 AM

Post #3 of 3 (1719 views)
Re: 01 malibu key cylinder problem Sign In


(This post was edited by greasemnky on Mar 4, 2011, 6:36 AM)

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