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Ron, ASE Certified Technician
Category: Chrysler
Satisfied Customers: 35623
Experience:  #@ years in the Automotive repair field.
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I just bought a 2003 pt cruiser but I think that the

Customer Question

I just bought a 2003 pt cruiser but I think that the alternator does not charge the battery as soon as the battery is out the car turns off and I already replace the alternator and the interiors lights don't turn off AL all what should I do
Submitted: 1 year ago.
Category: Chrysler
Expert:  Ron replied 1 year ago.

Hello, my name is ***** ***** I am a professional here at Just Answer. I have noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.

The problem you are having with the alternator can be caused by any of the following,

  • Alternator
  • Alternator Wiring
  • Battery
  • Battery Cable(s)
  • Powertrain Control Module (PCM)

    In order to determine which one has failed you are going to need to do some testing, I have enclosed the test steps in the link below, copy and paste the link to your browser to open and view the steps.
Customer: replied 1 year ago.
but I already replace the alternator and Is doing the samething
A soon as the battery runs out the car will turn off
And all the inside lights are on even when I have all the doors close
I just bought the car yesterday and thought that it was the alternator
Expert:  Ron replied 1 year ago.

Okay then you need to run the test steps I sent you which will help you determine the cause. You may have a bad PCM and or the wiring to it, the test steps will tell you if that is the case.

Customer: replied 1 year ago.
How do I put the Vin with the scanner so I can replace the pcm
Expert:  Ron replied 1 year ago.

If you are replacing the PCM it will require programming and this needs to be done with a factory scan tool as well as the factory software.

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