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2014 First Problem P1F58 CEL

21299 Views 28 Replies 17 Participants Last post by  akennedy_4
Hi all-

My first problem with my 2014 Volt. It just turned 30,000 and I charge on 240. Check engine light turned on after unplugging it.
Any ideas of what this code from Onstar means, or has anyone else experienced this code?

The Lithium-Ion Battery is not performing as expected. An issue has been detected in the Onboard Charging System which manages your vehicles battery pack charge level.

The car is performing fine and is charging.
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I find that if I unplug the cable when just finished a preconditioning but the 240v charge is still topping off the battery, it will trigger a check engine light. It has happened to me probably a dozen times over the course of 4.5 years. The light will go out on its own after a few charge cycles but I now just use my ODBC unit to turn it off when it happens. The car performs normally. I also think if you pull the plug too quickly, it has not had proper time to sense the low voltage pilot signal loss and it thinks the 240 dropped first. That is my guess as to why disconnecting the plug may throw a,check engine light.
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