CVO Technical > General CVO discussion
If Touring on Old Bikes Carry a TSSM ?
Twolanerider:
Short story is a local acquaintance called early this morning. 2005 bike wouldn't start and needed a hand. We relatively quickly assumed bike had a bad TSSM. Guy's place is a mile from my house and we're both a half hour from the dealership. I've got one (ok, three) in my pile of spares so we plug one in to his bike, do the pairing dance (a pain in the ass), and his bike is running again. All should be good.
Then I learned something that left me thinking "oh man, it's Harley at it again...."
Mother Harley has made the pre-2007 TSM and TSSMs obsolete. Something absolutely necessary to make the bikes go and without an aftermarket option. Part is now obsolete.
68920-00x or 68920-01x is the TSM version
68922-00x is the TSSM version
68924-00x is the international TSSM version (and I've seen these on domestic bikes).
I've got a few parts that are field serviceable, small or relatively small, or that I know a dealership will never have, that I keep stuck in the bottom the saddlebags in case I break down on a road trip somewhere. Since the bike is dead without the TSSM and Harley can't supply it I'm adding that to the parts stash in the bikes. Fortunately I had the spares I did but I did just snag what would now be a redundant spare on eBay for $80. Saw many others listed for a lot more than that. Don't know what they're actually selling for but the listing prices were regularly a lot higher.
Ok, that's all I got.
longlast:
Hey Don,
You're saying if the tssm fails there's no way of starting the bike?
This is what can leave you stranded and you should carry
Twolanerider:
--- Quote from: longlast on May 27, 2023, 06:21:42 PM ---Hey Don,
You're saying if the tssm fails there's no way of starting the bike?
This is what can leave you stranded and you should carry
--- End quote ---
Yeah Pete the TSSM is the security module. So if it should fail you can be dead in the water. The module in your picture is correct for bikes starting with the 2007 model. That vintage is not (at least not yet) obsolete from the manufacturer and is used from 2007 through (I think this is right) 2013. 2006 and prior used a module that is identically externally but has a part number ending in -00 with -00D being the latest revision (with all revisions interchangeable).
If a TSSM (turn signal AND security module) fails you can also replace with it just a TSM (turn signal module). For the older bikes the TSM are also now obsolete from Mother Harley but it's at least another option on the used/eBay market that might even be more plentiful and, hey, any port in a storm. Pairing ANY replacement TSM or TSSM at home on your own is a tedious pain in the ass task. But it can be done (and keep the battery on a tender while doing it). It was, or at least used to be, easy for a dealership using their Digital Technician. So many of the shops do their best to avoid old bikes that who knows what they'd actually do for you though.
You wouldn't need to replace the fob when replacing the TSSM. Programming a fob to any TSSM is an easy chore you do standing beside the bike even while scratching your special places.
longlast:
Cheers for the info :2vrolijk_21:
Think I may get one .
Joel:
We use a guy that repaires instrument clusters, I am going to contact him about testing and repair, if he wants to give it a try does anyone want to provide a known good unit and a bad so he can do side by side comparison?
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