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2012 Switches to gas mode with Battery Charge remaining

19333 Views 52 Replies 22 Participants Last post by  hellsop
I have a 2012 Chevy volt with 140,000 miles. It has not had any issues until now. The car will switch to gas mode while there is still plenty of charge remaining in the battery (as much as 80%). The temperature is well above freezing. Stopping, shutting of the car off and restarting resolves the issue. I took it to the dealer. however, the computer was not writing any errors codes.

Any ideas what could be causing this?
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I would disconnect the 12v battery for 30 minutes and see if that helps.
I wonder if the hood switch could be acting up, or a temp sensor.

Like above, we are assuming it's not trying to burn off the remaining gas in the tank, which is something it will do if you haven't filled up in a long time. This is normal, but it does show a message when it does it.
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