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Thread: 2008 Tuono Fuel Pump dash error (P-231)

  1. #1
    apriliaforum newb BD1017's Avatar
    Join Date
    May 2013
    New York City

    2008 Tuono Fuel Pump dash error (P-231)

    So I let my T sit for a few weeks and had to replace the battery. I put the new battery in it after filling/charging it up, and when I went to turn her on, it just cranks and cranks. I had a service light and the error was for the fuel pump. Then I noticed that the fuel pump wasn't turning on and priming when I turn the key on. I've read a few other threads about this issue, but all of the ones I read turned out to be a connector not fully connected or some other simple fix. Checked my fuses and connectors and they all seem good, anybody have any ideas on where I go from here?
    2008 Aprilia Tuono 1000R
    2001 Suzuki DRZ 400S - 450 Big Bore Kit
    2002 Kawasaki KLX 400

  2. #2
    apriliaforum expert kzmille's Avatar
    Join Date
    Jul 2003
    North Florida
    The next step would be to check if voltage is getting to the connector at key on and if yes then into the tank to see if voltage is getting to the pump.
    This is America. Use your turn signals or WE WILL KILL YOU

  3. #3
    apriliaforum Junkie
    Join Date
    Mar 2009
    wouldn't hurt to double check connector on left [i think its white ]for wires to fuel pump.&fuses again

  4. #4
    apriliaforum expert antarius's Avatar
    Join Date
    Jul 2017
    Bay Area, California
    Check the tiny connector under the seat. Super easy to come off.

  5. #5
    apriliaforum newb
    Join Date
    Dec 2017
    St Albans, UK
    My 2010 Tuono v twin won't start. The engine turns over, but it won't fire up. Diagnostic show error code 0231/45 which I believe is also the fuel pump open or disconnected. The fuel pump is definitely not priming, so I cleaned all connectors plus there is power to the fuel pump connector next to the battery. The bike has only been ridden half a dozen times in past 12 months, has 4,000 miles on the clock and never seen rain (fair weather rider I know....). Its never let me down before and always started first time, even after its been laid up for months during winter. Does anyone have any ideas what it may be?

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