Red battery warning light

Having Problems with your BMW R1200RT/R1250RT? or have some Maintenance and Service questions?
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W8NONU
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Joined: Sat Mar 23, 2024 12:56 am
Location: Tulsa
Bike Model and Year: R1200RT 2016
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Red battery warning light

Post by W8NONU »

Very confused. I checked battery voltage at rest, under load and charging system output. All check out ok. Bike starts and runs fine, but I noticed no headlight coming on and low fuel light is on although tank is full. The two fuses under the seat are good.
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jesim1
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Re: Red battery warning light

Post by jesim1 »

Has anything been fitted that may be annoying the CANBUS? :shock:
W8NONU
Posts: 13
Joined: Sat Mar 23, 2024 12:56 am
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Bike Model and Year: R1200RT 2016
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Re: Red battery warning light

Post by W8NONU »

No, everything is stock.
W8NONU
Posts: 13
Joined: Sat Mar 23, 2024 12:56 am
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Bike Model and Year: R1200RT 2016
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Re: Red battery warning light

Post by W8NONU »

I replaced the two fuses and the 50 amp fuse has continuity but no power shows going through it when bike is running.
W8NONU
Posts: 13
Joined: Sat Mar 23, 2024 12:56 am
Location: Tulsa
Bike Model and Year: R1200RT 2016
Has liked: 6 times
Been liked: 2 times
United States of America

Re: Red battery warning light

Post by W8NONU »

Took the bike to the dealer and problem ended up being a bad ground module (the end of the Canbus system). $1,000 later and I’m riding again.
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