I think you can get them for a lot less than $400.00. A lot of 09 & 10's are being triked. Now you do know that you just cannot put that wheel on the bike and expecxt the TPMS to work don't you. either take it to the dealer and have the register it to the bikes brain or you can do thios.
After several months of battles trying to find a way to activate and register the tire pressure sensors on the 2009 Wing, I believe I have finally had success.
I bought the ATEQ VT10 TPMS tool from Tire Rack for $107. This is similar to the tool the Honda dealers use, except that it doesn't provide feedback on the sensor data. It just has two push buttons and a green LED on it.
http://www.tirerack.com/accessories/detail.jsp?ID=111
I had to call ATEQ and get some tech assist from them, as it didn't want to work the first time. They informed me of an undocumented issue with the LDL sensors in the Wing that isn't in the service manual. You have to inflate the tires to about 52psi or more and let them sit for a couple minutes to put them into the "Test Mode" before you can use the tool to activate them. Apparently they discovered this at the plant in Marysville. The manual mentions nothing about putting them into the test mode before using the tool, but I verified that it won't work unless you do.
The rest of the procedure in the service manual is good. You turn on the key, short two pins in a connector under the seat (I installed a shorting switch to make it easier). Then you activate the front sensor with the tool and watch the TPMS light. When it gets the code, it begins to blink at which time you do the rear. When you do the rear, it changes blink rates for about 10 seconds and then goes solid. Once the light goes solid, you remove the short on the connector pins and turn off the key and the new sensor ID's should be stored.
If the front tire sensor code is not received after 1 minute, the TPMS light will start to flash indicating it is now expecting the rear. It will continue to flash for another minute looking for the rear sensor code. At then end of one minute it will go solid. If no codes were received, the existing sensor codes in the receiver will not be erased or overwritten. They only get overwritten if new valid codes are received. One way you can easily tell if the code for a sensor was received, is that the blink cycle will change before it hits the 1 minute mark, since once it receives a valid code it acknowledges it by changing the TPMS light blink rate. It is helpful to have a watch with a second hand that you can monitor. Once I put the sensors in the "Test Mode" I was able to get an acknowledgment ouf of the TPMS dash light after holding the button on the VT10 tool for about 15 seconds or so. If you hit the one minute mark with no acknowledgment, then it didn't work.
When you use the tool, you have to HOLD DOWN on the LEFT button until you get the blink indicator on the TPMS light before you let go. This may require using a helper, since the tool needs to be right at the sensor location on the tire.
There is also a verification process in the manual you can use to check that they worked. You short the connector with the key off, turn on the key, and both the TPMS light and LOW TIRE PRESSURE light come on and stay on. You then ride the bike. When it sees a transmission from the front tire the Low Tire Pressure light goes out and when the rear tire sensor is read, the TPMS light goes off. Then you remove the short and turn off the key. If both lights went out, your sensors are both working and registered properly.
Also, when you put the sensors in the test mode, they will transmit every 20 seconds. You need to take them out of this mode when you are done so you don't wear out their batteries. The way to return them to the normal mode is to ride the bike over 10mph for at least 4 minutes. You should do this before you park the bike and leave it so that the sensors can go back to sleep and save the batteries when parked.
Why did I go to all this trouble? I dunno, I guess cause I am stubborn and I didn't want to loose the ability to have a second set of spare 2009 wheels that I could easily swap out and still have a working TPMS system. Was it worth it? Maybe. Time will tell. At least now I can hot swap wheels and tires and program the wheel sensors when I do.
http://cgi.ebay.com/ebaymotors/Hond...8176171QQptZMotorcyclesQ5fPartsQ5fAccessories