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Ask Amedee Your Own Question
Amedee, Jeep Technician
Category: Jeep
Satisfied Customers: 26604
Experience:  ASE certified Technician advanced level specialist. Wisconsin certified emissions state inspector
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Frist the battery light was come onand off then all the dash

Customer Question

frist the battery light was come onand off then all the dash light started come on and off then one day the lights came on and the radio went off I came home and honked the horn then the radio came back on light went off then I was driving it one day the lights came on and the motor started raceing for about 5min. then I start to pull in a park lot and it stoped and the light went out but the batter light but it ran fine and it always start just fine even when the light been on
JA: Have you checked the fuses? The dashboard bulbs?
Customer: thr
JA: What is the model/year of your Jeep?
Customer: 2007 liberty
JA: Are you fixing your Liberty yourself? What have you tried so far?
Customer: yes just don't know where to srat
JA: Anything else you want the mechanic to know before I connect you?
Customer: it just keeps doing driffernt stuff every time it seems like it just strated whit the battery light frist then for along time then thedash light come on and off then some times just the battery light it just srated the rest
Submitted: 2 months ago.
Category: Jeep
Expert:  Amedee replied 2 months ago.

Hello and welcome!

My name isCustomerand I can assist you with your question.

Expert:  Amedee replied 2 months ago.

I am very sorry your having this issue with your vehicle.

I will try my best to answer all of your questions.

However, before we get started, please let me mention a few things.

1. If at any point you would like to speak on the phone, please feel free to request a phone call on your end and I can call you right away.

2. If you dont understand any technical terms or anything that I mention (component tests or theory or operation), please let me know and I will provide you with a more in debt explanation or answer.

3. Please understand that I am here to help you any way I can.

Your first step is to check for codes in the computer and do a capacitor discharge reset procedure by removing the battery cables together and rubbing them together for 5 minutes. They may allow the modules to reset on your vehicle which may help. If not, you need to get the stored codes in all modules on board the vehicle and have them updated with the latest software version available from the dealer as needed

Customer: replied 2 months ago.
how do you get the codes can a part stroe get this code
Customer: replied 2 months ago.
whish module do you think it my be
Customer: replied 2 months ago.
I cant afford to talk on the phone
Expert:  Amedee replied 2 months ago.


Based on my experience, if this condition is in fact caused by a module, it is either the TIPM, wireless control module or skim and or PCM.

YES your local auto parts store should be able to pull codes from you as an additional service. If not, they will have this tool/scanner available for sale there you can purchase to check for codes.

Customer: replied 2 months ago.
we did what you said to do now just the battery light coms on but it tokeawail
Expert:  Amedee replied 2 months ago.

I am sorry but I dont understand your last reply.

Are you saying that the problem has imporoved?

The battery light is illuminated?

What is the battery voltage at when the engine is running?

Customer: replied 2 months ago.
the battery is charging because I can pull the cable off and it stay running but the light is on
Expert:  Amedee replied 2 months ago.

Please don't do that.

That is no longer a good way to check/test the charging system.

You can harm the expensive electronics on the vehicle by doing that.

Customer: replied 2 months ago.
we did know that but there is no volt meter on it
Expert:  Amedee replied 2 months ago.

Right, you will need to use a hand held voltmeter to check the battery voltage.

Customer: replied 2 months ago.
ok we will try that ]
Expert:  Amedee replied 2 months ago.

Sounds good.

Going to step off line for a bit this afternoon.

Will check back with you later today.

Talk soon.

Customer: replied 2 months ago.
the battery reads 13 and the alt is read 12 .9 when runnig
Expert:  Amedee replied 2 months ago.

Ok, that seems a bit low. Your alternator could be faulty or it could be a power supply issue related to a blown fuse or power distribution center..

However, I believe you are certainly headed in the right direction.

Expert:  Amedee replied 2 months ago.

Hello there!

I am just checking in to see how things are going and to see if you need any further assistance?

If so, please let me know as I will be happy to help.

Best Regards,