Same thing happened to me. Battery. I keep a spare in my tour pack now. Easy to use the code, too, after you have to do it once. If anybody hasn't set their code, better do it. My battery didn't give me much warning that it was dying.

 

I carry a spare battery in the tourpak...
Haven't needed it yet..

 

The owners manual has a removable, wallet sized "smart security system and owners record" card in it. Once you set your code you should record it on the card and keep it on you while riding. Should the fob fail again you would not only have the code on you but the card also walks you thru the procedure for entering it. As for a spare battery, I would imagine that the shelf life would lessen over time and I would rather buy a fresh battery when needed. Replacement batteries are cheap, I don't think it cost me $3.00 last time. (cheapest thing I ever bought from Harley)

 

+15 to 20 on this one. I suggest once a year - its all of about a buck and a half. Then put the old but still working battery in your tool kit for a spare (in a zip lock of course so it doesn't ground out).

 

well I don't think its the fob but the bike's battery on a 08 Ultra may be low on charge, had this very same thing happen last fall when I was using all my heated gear, came up to fuel up and wouldn't start after, signels all flashing but nothing else..........this is with everything still plugged in.........unplugged some of the gear and voila.......it started, so I tried the same scenario later and it yep did it again until it was unplugged........I'm thinking the bike battery isn't up to performance standards when its got a load on it IMHO

 

thats my feeling as well. i would just as soon buy a battery when needed than have one go half dead while sitting in my saddlebag. my fob battery on my 07 lasted 3 years.

its easy enough to use the override procedure. if you have problems with it in your garage, how is it going to be in the middle of bfe? perform the procedure enough times that you get familiar with it. then once every couple of months, do it again just to make sure that you are still proficient with it.

 

I agree with the majority, dead fob battery.
I change mine every spring whether it needs it or not.
Beats the hell out of being 100 miles from home and have a dead fob battery.

 

I had to replace the battery on my 05 fob when I was in Sturgis this year. So at that point the battery was 5 years old. Seriously embarrassing to be sitting on Main street with your lights doing the flashy thing, and no way to turn them off. By the time I did the turn signal dance to turn the system off, there was a cop standing next to my bike. My insurance card and registration were neatly packed away in a ziplock bag.... IN THE VERY BOTTOM OF MY SADDLEBAG.

Not my finest hour.

 

I have parked in a few locations where there was radio interference that caused the FOB to fail. The battery was still fine each time. Another time it was so cold during a ride that the FOB in my jacket lost enough power it wouldn't work.

I strongly suggest setting the code and learning the procedure for overriding the security. Especially it you have the siren like I do - it's friggin embarrassing.

 

My HD dealer sets a default code on all bikes he sells. I changed mine when I got the bike and he kept it in his computer referenced to the mac address of my ECU.
The reference of the battery in the fob is: CR2032 3v Lithium