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Thread: Replacement Demand Sensor Re-call - RSV4 AND Tuono V4

  1. #31
    apriliaforum Junkie faramir's Avatar
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    Quote Originally Posted by craigo298er View Post
    My letter says, "Dorsoduro 1200, RSV4, Tuono V4 - Technical Update- Demand Sensor Inspection and/or Replacement"
    Excellent thanks..... also to Ed.... Gonna go and check this out....
    If it's too loud, you're too old!

    Tuono V4 APRC in black (and enjoying every km)
    2006 Tuono R
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    The years fail me...
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  2. #32
    apriliaforum expert Finster's Avatar
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    Has anybody who has had this done noticed any difference in the fueling of their bike? I got a message from my dealer to come in for it, but I loooooove the way my bike fuels as is. It is so perfect that i don't want anyone changing anything at all on the bike. Inclined to pass on the recall unless its a safety issue.

    I've dealt with the 'no, it won't affect anything' sales pitch before only to find it did.

  3. #33
    apriliaforum Junkie
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    Didint see any diffrence. Beside they make the ecu learn the new sensor.

    I should know, i helped out the dealer connecting the navigator xl box and making the bluetooth work.

    This thing looks to have alot of bugs but it works once connected


    Lol

  4. #34
    apriliaforum Member
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    Apparently, it's a service action, not a recall. There's no safety issue. I was waiting for mine, then the dealer mentioned that on the first one he put on, the bike started doing what the new demand sensor was supposed to fix. He took it to a track day and the power above 7000rpm was way down. They're checking to see if the new unit was out of date or something. Mine runs great as is, so I'm willing to wait.

    Quote Originally Posted by Finster View Post
    Has anybody who has had this done noticed any difference in the fueling of their bike? I got a message from my dealer to come in for it, but I loooooove the way my bike fuels as is. It is so perfect that i don't want anyone changing anything at all on the bike. Inclined to pass on the recall unless its a safety issue.

    I've dealt with the 'no, it won't affect anything' sales pitch before only to find it did.

  5. #35
    apriliaforum Member ASHTON's Avatar
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    Quote Originally Posted by Larry C View Post
    Apparently, it's a service action, not a recall. there's no safety issue
    Not a safety issue!!! Before mine was replaced... My throttle suddenly and instantly became completely disconnected from the engine which revved to the redline until I hit the kill button. This was while filtering through traffic. Had I been cornering fast I'd probably have crashed! It f@@king well is a safety issue.
    Last edited by ASHTON; 09-03-2012 at 05:23 AM.

  6. #36
    apriliaforum Junkie faramir's Avatar
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    Just got confirmed from my dealer who checked serial nos while fitting a new rear, I'll be receiving a letter about a recall for the demand sensor...
    If it's too loud, you're too old!

    Tuono V4 APRC in black (and enjoying every km)
    2006 Tuono R
    2003 Tuono
    2000 SL1000
    1999 GSX-R 750
    The years fail me...
    GSX-F 600
    DR400
    DT125
    RD250 LC
    CB125

  7. #37
    apriliaforum prov-nov HCN's Avatar
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    I also had my demand sensor replaced under recall - VIN 02512.

    /HC

  8. #38
    apriliaforum newb CrazyItalian's Avatar
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    I just picked up a 2010 RSV4 track bike (3500 mi.) and it's exhibiting the LHM throttle. :/ Sounds like this could be the issue, or maybe MAP, or... ? Since this is a track bike a lot of the stock controls are missing, including the left switchgear. I'm hoping the GuzziDiag will assist in pulling codes.

    So far I've not had much luck tracking service history on this machine, so I have no idea if the recall was ever done, and if not if they'd even touch a track bike that is 5 years old to do it anyway. Is there a definitive check of the Demand Sensort IDs / series that I can see, to tell if it's been updated or not? I've read many MANY threads about these issues but I can't figure out if there is an ID / SN I should look for and what's good and what's not.

  9. #39
    apriliaforum Member
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    anyone's replacement demand sensor fail yet?

    my 2012, that had the recall performed is giving me these ecu errors (general demand sensor related)
    Funny this happened after riding in the mediocre rainfall...that being said i rode for 7 hours in heavy rain on way back from South Dakota a few months ago - no issues or service lights. seems unlikely related to moisture right?

    0154 invalid sig
    0156 invalid sig
    0151 to low
    0155 invalid sig

  10. #40
    apriliaforum expert PRC001's Avatar
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    Likely it's not the actual unit itself. Remove the unit and thoroughly clean the connection block - both bits, with a good electrical cleaner. Re-install and clear any faults using Guzzidiag, if you have it.
    2015 Tuono V4 1100 Factory
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    2012 Tuono V4 APRC Fast
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  11. #41
    apriliaforum expert Gabro's Avatar
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    Quote Originally Posted by PRC001 View Post
    Likely it's not the actual unit itself. Remove the unit and thoroughly clean the connection block - both bits, with a good electrical cleaner. Re-install and clear any faults using Guzzidiag, if you have it.

    correct
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  12. #42
    apriliaforum Member
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    thanks lads! I will do exactly that.

    I suppose riding with Urgent service, as long as it doesnt go limp mode is kind of OK with those faults codes?

  13. #43
    apriliaforum Member Keith Foster's Avatar
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    I have had an intermittent "Urgent Service" code pop up for the last 3-4 thousand miles. At my last service the dealer cleared the code but it returned right away. It's the same code all the time, P0155. Using Guzzidiag I've tried resetting and throttle learning but it always reappears shortly after. I think I'll try PRC001's suggestion of cleaning the connections next. So djbordie, I don't think there is harm is continuing to ride it, my 2 cents.
    2013 Aprilia Tuono
    2005 Ducati ST3
    2004 Moto Guzzi Nero Corsa - Sold
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  14. #44
    apriliaforum Junkie davidon's Avatar
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    Quote Originally Posted by Keith Foster View Post
    I have had an intermittent "Urgent Service" code pop up for the last 3-4 thousand miles. At my last service the dealer cleared the code but it returned right away. It's the same code all the time, P0155. Using Guzzidiag I've tried resetting and throttle learning but it always reappears shortly after. I think I'll try PRC001's suggestion of cleaning the connections next. So djbordie, I don't think there is harm is continuing to ride it, my 2 cents.
    I am having the same code come up. I am wondering if it is battery related? I put in a lithium and after about 2 weeks the battery seems to completely drain. Then I put in on a charger, battery comes out of hibernation and recharges, then when I go to start I get the p0155 code and have to clear it. This last time took about 5 tries with Guzzi to finally clear it.

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