Originally Posted by Surly73
Nope. I reinstalled the same battery, not a new one, so registration shouldn't be required. In fact it would be a bad idea, I would think, since the car would think it was a fresh new battery instead of a 5+ year old one.
My understanding is that the registration procedure includes an analysis of the "new" battery, so I can't see how it would be harmful.
At any rate, good luck & let us know when you solve your problem.