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I have alternating error messages on the instrument panel,

Customer Question
I have alternating error...

I have alternating error messages on the instrument panel, battery not charging and service break master

Mechanic's Assistant: How many miles are on the car? Do you have scan tool or a code reader?

No I don't have a scan tool or code reader and there are over 200k miles on it

Mechanic's Assistant: What is the model/year of your Chevy?

2003 Chevy Silverado

Mechanic's Assistant: Are you fixing your Silverado yourself? What have you tried so far?

I have not tried much of anything as of yet. I wanted to research and see if it was something I could do myself or if I needed to take it in and what to look for

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

No I cant think of anything else, error messages came out of no where though

Submitted: 7 months ago.Category: Chevy
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Answered in 3 minutes by:
12/6/2017
Chevy Mechanic: Gary, Chevy Technician replied 7 months ago
Gary
Gary, Chevy Technician
Category: Chevy
Satisfied Customers: 18,017
Experience: 15 years GM master tech
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Welcome! My name is ***** ***** I will do my best to assist you with this problem.Ask me about added features such as phone contact anytime if you wish !

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Chevy Mechanic: Gary, Chevy Technician replied 7 months ago

is it on all the time ?

what is the volts gauge reading when it does this ?

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Customer reply replied 7 months ago
It reads about normal I believe and the message started intermittently and seems to be more regular this evening
Chevy Mechanic: Gary, Chevy Technician replied 7 months ago

the odds are the alternator is starting to fail and not charge the amps it should as that is what the computers read to turn on those messages

if the battery cables are clean and tight replacing the alternator should fix the issues

please dont forget to rate me here at Justanswer

you can always get me back for FREE for any follow up any time with this question even after you rate me here at Justanswer

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