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Cold Weather equals Broken 2012 Volt?

1373 Views 11 Replies 8 Participants Last post by  mathomas3
Hello all,

Woke up this morning to 23 degree weather and went to start the 12' volt (it was plugged in all night and has a full battery) and got the check engine light...
P0AA6
P1E00
P1FFF

From what I have read, this has to do with low battery fluid level. I checked this and it looks fine to me, not full but, close-ish. So that would leave the other possibility of a bad sensor or wiring... else some have suggested reprogramming/updating the car with software... (im trying to go this route and waiting for the part to come in)

I cleared the errors and tried starting the car again... didnt get a check engine light but the HV battery is still grayed out and it went straight into ICE mode...

Question is... am I going about this right and given that it was so cold out, would it be wishful thinking that the error will go away when it warms up?

Thanks
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