Author yellow engine light on after disconnected battery  (Read 1016 times)

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  • Offline gvy   be

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    yellow engine light on after disconnected battery
    on: 03 December, 2023, 03:32:02 pm
    03 December, 2023, 03:32:02 pm
    Hi,

    Just a quick question.
    Yesterday I had my battery disconnected and removed from the Tiger to make an isolating jacket for it.
    After I replaced and reconnected the battery some hours later, The engine started right away, no problem.
    But the yellow engine/ECU warning light stays on.
    Because of the weather, snowing and the fact I have covid feeling ill, I cannot go for a testdrive. But I let the Tiger run hot at idle and let the fans kick in multiple times. That engine light stays on.
    Any thoughts?

    It is a 2016 Tiger sport

    edit
    I connected tune ECU and It reads one faultcode
    P1521 CAN defect ...lost communication with ABS.
    That is correct since the ABS light is also on which is perfectly normal. It does that any start and dims as soon as I go riding. But I never saw the ECU warning light on before with it. Maybe because the battery was disconnected?
    I see no other fault codes.
    I can't go for a ride, The street is covered in snow and I am ill, so I guess I have to wait
    Last Edit: 03 December, 2023, 03:53:43 pm by gvy

  • Online Sidewinder   gb

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    Re: yellow engine light on after disconnected battery
    Reply #1 on: 03 December, 2023, 04:18:20 pm
    03 December, 2023, 04:18:20 pm
    It came on cos you removed battery (most likely) it will stay on 'til the 'fault' clears after which it will normally take three warm up cycles to go out.  Letting the bike sit idle will not.

  • Offline mustangpilot   nl

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    Re: yellow engine light on after disconnected battery
    Reply #2 on: 03 December, 2023, 04:26:03 pm
    03 December, 2023, 04:26:03 pm
    I had same 1521 code when I tried to start my cold soaked 1050 with a reluctant SHIDO LIPO battery and used Tuneecu to reset it.
    No problem really, the CANBUS fault is caused by voltage surge.

  • Offline gvy   be

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    Re: yellow engine light on after disconnected battery
    Reply #3 on: 03 December, 2023, 04:42:24 pm
    03 December, 2023, 04:42:24 pm
    Thanks guy's

    So, First ride the bike to clear the ABS light ( as usual ) and then wait for 3 warm cycles to clear the engine ECU yellow light right?
    Stupid question ; A heat cycle is every time the fan kicks in ?

    I have tune ECU  I can see the fault code , but I am unable to wipe it because I can't seem to register tune ECU. It fails to pay the 25 via paypal. I tried it months ago, emailed, didn't get an answer and I am trying it again today, but same issue. It says on the app "failed payment" " if payment does not work send it directly via paypal 25 to meeouf@gmail.com" Any of you have the same issue? I do not trust to send it this way to activate tune ECU

    Hi Mustangpilot...
    I made my lifepo4 accu ,a warm jacket yesterday...

    I used an old windowblanket and layered it 3 times making a box
    Last Edit: 03 December, 2023, 05:07:50 pm by gvy

  • Offline mustangpilot   nl

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    Re: yellow engine light on after disconnected battery
    Reply #4 on: 03 December, 2023, 05:54:50 pm
    03 December, 2023, 05:54:50 pm
    *Originally Posted by gvy [+]
    It says on the app "failed payment" " if payment does not work send it directly via paypal 25 to meeouf@gmail.com" Any of you have the same issue? I do not trust to send it this way to activate tune ECU

    Hi Mustangpilot...
    I made my lifepo4 accu ,a warm jacket yesterday...

    I used an old windowblanket and layered it 3 times making a box

    I paid via Paypal to meeouf@gmail.com too. No problems since.
    Nice work trying to keep your battery from freezing  :745:

  • Offline gvy   be

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    Re: yellow engine light on after disconnected battery
    Reply #5 on: 03 December, 2023, 06:32:03 pm
    03 December, 2023, 06:32:03 pm
    *Originally Posted by mustangpilot [+]

    Nice work trying to keep your battery from freezing  :745:

    Crazy eh  :007:
    After finishing and reconnecting the accu, I rolled the Tiger outside the garage to sit in around -2C for 5 hours....
    First attempt: meh...
    Waited for 30 seconds
    Second attempt and it started right away.  :152:
    s
    Those LiFePo4 are great untill temperatures sinck below  freezing point.
    The LFP are unable to take load when their core are at temp below 0C. The jacket will help on that one to. The same is done for E-bikes and some campers do insulate the batteries also to take charge

    I am considering bying a 5W USB heating pad to stick against the battery inside the jacket and connect it to the USB port under the seat. That only powers up with the key in the contact and would get the battery at working temps  . cost 8.
    A LFP accu does not loose charge by cold. It is just unable to deliver or receive. As soon as it's up to temperature , it kicks in. It would be an insurrance for those real cold days
    Last Edit: 03 December, 2023, 06:42:19 pm by gvy

  • Online Sidewinder   gb

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    Re: yellow engine light on after disconnected battery
    Reply #6 on: 03 December, 2023, 11:00:01 pm
    03 December, 2023, 11:00:01 pm
    " A heat cycle is every time the fan kicks in ?" No, its a warm up cycle.

  • Offline gvy   be

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    Re: yellow engine light on after disconnected battery
    Reply #7 on: 03 December, 2023, 11:43:34 pm
    03 December, 2023, 11:43:34 pm
    Thank you for this information.  :020:

  • Offline Cloudy   nz

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    Re: yellow engine light on after disconnected battery
    Reply #8 on: 04 December, 2023, 04:17:24 am
    04 December, 2023, 04:17:24 am
    Since you have TuneECU, just clear the fault with that. No need for the 3 heat cycles then. If it comes back on you still have the problem but its most likly just from disconnecting the battery.
    07 Tiger 1050, K&N Air Filter, Snorkel Removed, Airbox Opened,TOR Exhaust, 20551 Map, NGK Iridium Plugs, Ricks R/R, Ohlins Rear Shock, Ohlins Front Springs, Bar End Mirrors, Leather Seat Cover, Ebay Levers, Ebay Risers, Custom Bars.

  • Offline ZuluTiger   us

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    Re: yellow engine light on after disconnected battery
    Reply #9 on: 04 December, 2023, 08:37:53 pm
    04 December, 2023, 08:37:53 pm
    My experience is that just disconnecting the battery does not generate a CE light. Mine caught me when I switched on the ignition with an ancillary device disconnected (my odo) which then required a 3-cycle regime to reset it. Sure nothing else is down?