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2013 caravan AC issue after disconnecting battery.

browlciba

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I have a 2013 Grand caravan SE, I disconnected the battery to 192.168.1.254 inspect the power steering lines running beneath it.
After reconnecting everything, the rear defrost light flashes for a minute or two and the heating or cooling does not work. After a couple of minutes everything works normally.
I have done some Googling and found people with the same issue but have found no clear an 10.0.0.0.1 swer for the problem.
Any help is most appreciated.
 
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UN4GTBL

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I believe it's recalibrating when the lights are flashing.

As long as it goes back to working normally, all should be good.
 

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