Problem with my 2001 Chevrolet Malibu
V6 3400
dash lights = security theft light
Repair work done prior = Replaced the ignition cylinder because the key would
not turn, and now it wont start.

tip/donation yes
GM tech = jk
question = Why does my chevy malibu not start after changing the passlock
cylinder. The key would not turn so my husband replaced the cylinder. The theft
security light will come the dash. I have seen on other sites that there is a
re-learn code procedure to get it to start. How do i fix this problem. Are there any
other parts involved, or just a code relearn.



JK:
Here is the relearn steps you needed.

Passlock ignition cylinder.  The relearn procedure you are referring to is a

temporary fix. This will usually get your car to start again, but eventually will fail

to start again.  Replacement of the cylinder is required.

Here is that procedure.

Keep a battery charger on.

1. Turn the key ON.
2.Wait for 10 minutes or until the theft / security light goes out.
3.Turn key off for 10 seconds.
4. Start the car. Learn is complete
Chevy Malibu passlock re-learn procedure.
Add Your Comment
*
5-7-11
after that and car still wont start
Comments
8-11-11
thank you very much!  Just paid money for gaskets and they did my fuel injection
(ouch).  A week later the car won't start.  after days of reading and thinking I was
going to have to replace fuel pump, fuel filter, etc.  I read this article and tried it.  It
worked for me!! I wonder if a shop would have tried this before they replaced very
thing and charged me for the repairs.  That scares me more than anything!
10-10-11
I had the key switch replaced a year ago. I noticed last week that the anti theft light
came on.  Now the car will not start and acts like it is out of gas.  I know the fuel
pump is working and I have good fire. This is a 2001 malibu do you have any
suggestions?
I'd try doing the theft relearn procedure listed on this
website, but that is just a temporary fix. You have
probably set a theft deterrent code and most likely will
need a new ignition cylinder. Once replaced, and
relearned, your problem should be fixed.