2024+ Center-Cooled Touring Models 2023.5+ CVO and 2024+ Road Glide/Street Glide/Street Glide Ultra Center-Cooled Gen 2 M8 Touring models

startup issues after update?

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Old Mar 24, 2026 | 11:28 AM
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Default startup issues after update?

just curious if anyone else is having startup issues since updating to the latest firmware? i heard one other report of someone having the same issue as me.

i have attached 2 startup videos. one from Saturday and one from this morning. both videos are the first startup of the day and the bike is kept on the 1 amp charger.
 
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File Type: mp4
startup-3-21.mp4 (4.65 MB, 23 views)
File Type: mp4
startup-3-24.mp4 (3.74 MB, 21 views)
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Old Mar 25, 2026 | 03:22 AM
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Sounds like the battery needs some help, get out and ride it for a solid hour.
 
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Old Mar 25, 2026 | 06:57 PM
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Originally Posted by Slingshot383
Sounds like the battery needs some help, get out and ride it for a solid hour.
Agree - OP did you do the update in accessory mode or as of you were starting it up?
 
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Old Mar 25, 2026 | 07:53 PM
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Originally Posted by BigMike17
Agree - OP did you do the update in accessory mode or as of you were starting it up?
accessory mode, as i believe that's the only way it can be updated. i have a 5 amp tender and load tester coming tomorrow so I'll see how that goes before swapping the battery.
 
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Old Mar 25, 2026 | 09:11 PM
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Your voltage is low when cranking.
Dumb question, are you waiting until the IFCU finishes doing its stuff?

Tom
 
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Old Mar 26, 2026 | 08:10 PM
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Originally Posted by pacemakertom
Your voltage is low when cranking.
Dumb question, are you waiting until the IFCU finishes doing its stuff?

Tom
yes, i have done it with and without waiting. makes no difference.
 
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Old Yesterday | 08:54 PM
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how does this look? battery was fully charged from the 5 amp tender and removed from the bike to test.

before load
before load
during load
during load
 
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