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Discussion Starter · #1 ·
Hi kindly help, my Chevrolet volt 2013 battery is not charging. I have replaced the 12volts battery buy it keeps shutting down even if I jump start it it doesn't get charged. The dashboard dtc shows service battery charging system. The volt is out of the coverage of onstar so they cant run checks. Please advice if there is anything I need to reset.
 

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Discussion Starter · #7 ·
Thanks all. It's actually the service battery charging system that pops on. I have removed the battery terminals and bought a new battery with same capacity fully charged but I get same error code. I can't seem to trace the apm or is there a fuse box for it in the hood. I know it's something that is not charging the 12volt battery not the high voltage charger.
Kindly advise as I can't get Chevy service around. Will get and obd and run a scan too.
 

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Discussion Starter · #10 ·
Hi o finally got a technician to open the trunk and checked apm out everything was tight no loose bolts or screws. The only fuse I saw is attached and a picture of the apm and battery is attached.
I removed the fuse do I can take it for the test but I don't know what to test for.
Kindly advise please as am stuck with the reality of no Chevy volt technicians or service station around.
Thanks
 

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Discussion Starter · #18 ·
Hi and thanks for all the help. I finally decided to get the APM on ebay as am left with no choice in view of the lack of chevrolet service station here.
I did the check by starting the car after charging the battery full and used a volt meter to read the volt. it was 13 volts while off and when I start the car and read again it is 12 volts maybe because the car is runing and door was open.
Is it not supposed to read above 13volts when charging
 

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Discussion Starter · #19 ·
Hello can anyone walk me through how to test my volt 12v charging system. I want to buy an APM but want to be sure before I buy. There is no Chevrolet volt service station here.
I have done a test buy charging the 12volt battery full and the voltmeter read 13volts while car is off. I then started the Chevrolet volt, the petrol engine also came on and I took the reading with engine on it was 12volts.
Any idea if this is an indication that the APM is bad? Note that I also took readings with the voltmeter from APM cables and it was same with battery reading
 
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