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Thread: Limp Mode

  1. #1

    Limp Mode

    Not sure if this is on another thread, if so my apologies. I have a '15 R1200GSA and went for a short ride today. Stopped and topped off with fuel and overfilled a bit. On the way home it went into an error mode I think is called Limp Mode. Fortunately it was only a block form the house so I made it home. I got the following reading from the GS911:

    Fault Codes : 3
    |
    21FA22 : Exhaust flap servomotor, mechanical fault or blockage
    Currently present : YES
    Engine warning light (MIL) : NO
    Frequency count : 255
    Logistic(Healing) count : 40
    ..Fault Code History :
    ....Record number : 1
    ....Odometer : 63852.0 mls
    ....ABS time : 16173384
    ....Vehicle speed : 0.0 mls/h
    ....Engine speed : 0.0 rpm
    ....Battery voltage : 12.52 V
    ....Throttle valve angle relative to throttle valve stop : 15.04 %
    ....Record number : 2
    ....Odometer : 63852.0 mls
    ....ABS time : 16209740
    ....Vehicle speed : 0.0 mls/h
    ....Engine speed : 1279.0 rpm
    ....Battery voltage : 14.25 V
    ....Throttle valve angle relative to throttle valve stop : 2.83 %
    ....Record number : 3
    ....Odometer : 63945.8 mls
    ....ABS time : 3523079
    ....Vehicle speed : 0.0 mls/h
    ....Engine speed : 1177.0 rpm
    ....Battery voltage : 14.12 V
    ....Throttle valve angle relative to throttle valve stop : 0.73 %
    |
    21FA21 : Exhaust flap servomotor, adjustment error
    Currently present : YES
    Engine warning light (MIL) : NO
    Frequency count : 255
    Logistic(Healing) count : 40
    ..Fault Code History :
    ....Record number : 1
    ....Odometer : 63852.0 mls
    ....ABS time : 16173553
    ....Vehicle speed : 0.0 mls/h
    ....Engine speed : 0.0 rpm
    ....Battery voltage : 13.33 V
    ....Throttle valve angle relative to throttle valve stop : 15.01 %
    ....Record number : 2
    ....Odometer : 63852.0 mls
    ....ABS time : 16209840
    ....Vehicle speed : 12.6 mls/h
    ....Engine speed : 2215.5 rpm
    ....Battery voltage : 14.21 V
    ....Throttle valve angle relative to throttle valve stop : 8.89 %
    ....Record number : 3
    ....Odometer : 63945.8 mls
    ....ABS time : 3523007
    ....Vehicle speed : 0.0 mls/h
    ....Engine speed : 0.0 rpm
    ....Battery voltage : 12.35 V
    ....Throttle valve angle relative to throttle valve stop : 15.01 %
    |
    21FAA9 : Level 2 monitoring of throttle valve 2, setpoint exceeded
    Currently present : NO
    Engine warning light (MIL) : NO
    Frequency count : 1
    Logistic(Healing) count : 40
    ..Fault Code History :
    ....Record number : 1
    ....Odometer : 63944.5 mls
    ....ABS time : 3522154
    ....Throttle valve 2 angle, level 2 : 0.51 %
    ....Permissible throttle valve opening for throttle valve 2, level 2 : 0.49 %
    ....Twistgrip position sensor : -0.68 %
    ....Engine speed : 1800.5 rpm


    I am aware of the first two, was that way when i bought it. The 3rd is new. I started it and idled fine after sitting for a bit while I hooked up the GS911. No further codes. I didn't have a chance to take it for a ride to test it (family emergency). I am wondering would overfilling it cause an issue like this? I am trying to debug what I need to do. Water in the gas? Any and all ideas will be considered. lol

    Thanks in advance.

    Brian

  2. #2
    Registered User cap's Avatar
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    Quote Originally Posted by tn_bear71 View Post
    ... I am trying to debug what I need to do.
    Brian
    The GS911 has a "reset all adaptations values" function. Look at the "functions" menu. Should recalibrate your throttle position and twistgrip sensors.

    As an aside, have you verified that your exhaust flap is all the way open?

  3. #3

    Limp Mode

    Quote Originally Posted by cap View Post
    The GS911 has a "reset all adaptations values" function. Look at the "functions" menu. Should recalibrate your throttle position and twistgrip sensors.

    Will give that a try now.

    As an aside, have you verified that your exhaust flap is all the way open?
    When I got the GS911 I notice the error and checked the exhaust flap then. It was in the fully open position. I'll recheck it. Have some rear brakes to install today as well.

    Thanks for the update.

  4. #4

    Problem Solved

    Quote Originally Posted by cap View Post
    The GS911 has a "reset all adaptations values" function. Look at the "functions" menu. Should recalibrate your throttle position and twistgrip sensors.

    As an aside, have you verified that your exhaust flap is all the way open?
    I re-calibrated the throttle position sensor and the twist grip sensors and all seems in order. Only had time for a short ride but no issues. I plan to ride it to work tomorrow so fingers are crossed it was just a glitch. I am glad I bought the GS-911. Thanks again for your help.

    Brian

  5. #5
    SURVIVOR akbeemer's Avatar
    Join Date
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    Location
    Big Sky Country
    Posts
    7,389
    There is a service bulletin out that addresses bikes that present with certain TPS fault codes. Those bikes will have the acceptable tolerances of signals sent by the TPS increased. Last summer Annieís 17 R1200GS with about 2000 miles went into limp mode. A few minutes on the dealerís computer and it has been okay for over 22,000 miles.
    Kevin Huddy
    The Outpost, Silver City, Montana

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