2010 Hyundai Sonata changed battery now having issues

Asked by Scottie Aug 28, 2023 at 06:34 PM about the 2010 Hyundai Santa Fe 3.5L SE AWD

Question type: Maintenance & Repair

I change the battery in my 2010 Hyundai Sonata
now all the service lights are on on the
dashboard and my radio, and AC will not work.

1 Answer
307,245

Gene answered 8 months ago

This is why you never disconnect main power without a saver tool plugged into the OBD 2 port. So now you need the dealer to do flash on the vehicle to get everything back up and functioning.

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