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Can a Used ECM be married to a bad one without BUDS?
- Thread starter Keith
- Start date
Snowbelt Spyder
Well-known member
No, a number of sensors need to be married to the replacement ECM, using BUDS. And besides that, without BUDS, how do you know that you have a bad ECM, anyway. Is this about the 2012 RS?
BajaRon
Well-known member
You will need BUDS to make a replacement ECM functional, as Snowbelt Spyder points out. We have had good luck at the shop with used eBay ECM's. But if you go that route, don't take the seller's word for anything. Not that they are necessarily lying to you. But most have no idea what works with what. Some guess. Some tell you what the Internet says. Etc.
You really want to go with the original part number. Not that subsequent part numbers won't work. But we've found that to be iffy, depending on things that probably no one understands.
Swapping out the ECM should be your last resort. Nothing worse than doing this only to discover that the one you had was fine and the problem is elsewhere in the system. Faulty wiring looms are also a good possibility in these situations. It can be a bear to figure out sometimes.
You really want to go with the original part number. Not that subsequent part numbers won't work. But we've found that to be iffy, depending on things that probably no one understands.
Swapping out the ECM should be your last resort. Nothing worse than doing this only to discover that the one you had was fine and the problem is elsewhere in the system. Faulty wiring looms are also a good possibility in these situations. It can be a bear to figure out sometimes.
My question was can the new/used ECM be programmed off the bike with BUDS to marry the old ECM (existing from bike) already removed on the bench?
No, your question was...And No, as both @Snowbelt Spyder & @BajaRon have answered, you'll need to use BUDS to match all the necessary sensors/components that are already on the Spyder to the new ECM...
So there's no point in trying to match (or marry) the two ECM's on the bench, cos even if you could manage to connect them, the Spyder still won't work until you've installed a working ECM into your Spyder and then matched all the necessary sensors/components (that also need to be installed/in situ on the Spyder) using BUDS.
Just Sayin'
BajaRon
Well-known member
What Peter said...
And No, as both @Snowbelt Spyder & @BajaRon have answered, you'll need to use BUDS to match all the necessary sensors/components that are already on the Spyder to the new ECM...
So there's no point in trying to match (or marry) the two ECM's on the bench, cos even if you could manage to connect them, the Spyder still won't work until you've installed a working ECM and then matched all the necessary sensors/components (that also need to be installed/in situ on the Spyder) using BUDS.
Just Sayin'
If the old ECM is kaput, then you don't want (even if you could, which you can't) to have them talking to each other.
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