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2013 Volt with ~45k miles, experiencing the same issues as this person. P0AFA and P0BBE are the codes.

http://gm-volt.com/forum/showthread.php?201826-Volt-will-not-start

This person had a bad cell.

Dealer says it requires a control module reprogram that is not covered under the existing powertrain or Voltec warranty. Have opened a warranty ticket with GM corporate. Any idea how to get better service or look closer at the battery. It just seems like a potentially bad diagnosis.
 

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It is hard to believe that it is not covered, or that there would even be any doubt about coverage. Do you have a different dealership you could go to?
 

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The Voltec drive train has an 8 year, 100k mile warranty.

Moved from the Bolt forum.
 

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So they already diagnosed it and feel it needs new program software installed. Are they recommending the reprogram per TBS or Diagnosis Document. The reprogram should be cheap (likely $132 ish) compared to a new A4 battery. Do they feel the reprogram will fix it.
I don't known of a reprogram to fix these DTCs. If they didn't Diagnose it, That needs to be done.
was this in storage or a salvage car?
 

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a owner in netherlands ave the same issue:reprogramming dindt work,it was the battery junction relay,a bad connection
 

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In general, software updates or reprogramming modules are only covered under the 3yr/36k mile b2b warranty. If it is a few hundred dollars I say let them do it and see if it fixes the problem. If it doesn't and the problem does come back and it becomes a covered warranty repair because a battery module needs to be replaced then I would demand they refund the reprogram work because that was obviously not the problem.
 

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In general, software updates or reprogramming modules are only covered under the 3yr/36k mile b2b warranty. If it is a few hundred dollars I say let them do it and see if it fixes the problem. If it doesn't and the problem does come back and it becomes a covered warranty repair because a battery module needs to be replaced then I would demand they refund the reprogram work because that was obviously not the problem.
Depends on the module. This is a Voltec problem. I've HBCM2 need to be reflashed twice since B2B expired and it's been covered under Voltec both times. P0BBE is much more likely to actually get to a bad HV pack cell that won't rebalance, though, and that's pure as driven snow Voltec warranty.
 
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