R1200RS + R1250RS Forum
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Fri Jan 07, 2022 8:07 am
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During a recent I experienced what appears to be an electronics problem. After filling up with fuel I restarted my R1200RS and found that I had lost certain functions such as lights, indicators and certain readings on the display. Also, the fuel meter gauge went from full to empty and the reserve light came on. An alarm indication also came on. |
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It is still possible that your battery is bad. I have had a couple of batteries in the past that have showed good voltage, but would not take a load, perhaps due to an internal short. Once they were replaced everything worked well again.
Current motorcycle collection: 2002 Yamaha FZ1; 2020 KTM 390 Duke; 2011 Royal Enfield Bullet 500; 2009 BMW F650GS; 2016 BMW R1200RS; 2018 Zero S 16.6 kWh
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Zitat von Richard230 im Beitrag #3 Agreed - computers hate variance in current.... If the battery is more than a few years-old - a pre-emptive change seems reasonable. Even load testing has it's false negatives. That said - if service is up and coming, then we'd be interested in what the diagnostics recorded.
“A good man always knows his limitations.”
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Zitat von Richard230 im Beitrag #3 Thanks Richard & Ray. I think maybe you're right. Just checked the battery and its down to 11.8V after one week. The battery has done well considering - time for a new one! I think a forum member went through the steps to replace one. I'll see if I can do a search. Cheers |
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Following on from my previous post, I replaced the battery but it did not solve the problem. When all else fails take it to the Dealer Service Dept! This I did and after their diagnosing the problem, I am informed the problem is a faulty Ground (or Basic) Module. Just my luck, but there are none available in Australia and and a 2/3 week lead time is applicable |
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Well, I hope the repair is covered by the warranty. This is the downside of computers in vehicles. The up side is that it tends to be rare…either many instances within a model line/year or hardly any.
I’m a Notary Public. RESPECT MY AUTHORITY!
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Zitat von Bikepirate im Beitrag #6 Is there a difference between a "ground module" and a ground wire?
Current motorcycle collection: 2002 Yamaha FZ1; 2020 KTM 390 Duke; 2011 Royal Enfield Bullet 500; 2009 BMW F650GS; 2016 BMW R1200RS; 2018 Zero S 16.6 kWh
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Zitat von Richard230 im Beitrag #8 The name "ground module" suggests and electronic device to switch on/off electrical grounding- $$$. You could temporarily fix a "ground wire" on the side of the road when necessary. Frank
2017 R1200RS- 44,000 mi. 4 yrs.
2003 R1100S Boxer Cup Replika #6/200 1985 K100/1100RS- 327,000 mi. 36 yrs. 2016 R1200RS- 28,322 mi. 18 mo. (gone) 2011 R1200RT- 30,000 mi. 2 yr. (gone) 2005 R1200ST- 58,000 mi. 8 yr. 3rd deer killed it. 1999 R1100S- 15,000 mi. 2 yr. (gone) 1996 Ducati 900SS/SP- 89,000 mi. 12 yr. (gone) 500,000+ BMW miles |
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Zitat von Duckbubbles im Beitrag #9Zitat von Richard230 im Beitrag #8 That $$$ is about what I expected. 
Current motorcycle collection: 2002 Yamaha FZ1; 2020 KTM 390 Duke; 2011 Royal Enfield Bullet 500; 2009 BMW F650GS; 2016 BMW R1200RS; 2018 Zero S 16.6 kWh
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Zitat von Richard230 im Beitrag #10Zitat von Duckbubbles im Beitrag #9Zitat von Richard230 im Beitrag #8 On the Beechcraft King Air aircraft I used to work on, under the floor, there were several electronic "boards" and one was (as far as I remember) called the "grounding board". When one of those caused problems, even a repaired "used" one would set you back several thousand dollars. The good news is that they were plug and play- except when what caused the board to burn out in the first place wasn't fixed first. Frank
2017 R1200RS- 44,000 mi. 4 yrs.
2003 R1100S Boxer Cup Replika #6/200 1985 K100/1100RS- 327,000 mi. 36 yrs. 2016 R1200RS- 28,322 mi. 18 mo. (gone) 2011 R1200RT- 30,000 mi. 2 yr. (gone) 2005 R1200ST- 58,000 mi. 8 yr. 3rd deer killed it. 1999 R1100S- 15,000 mi. 2 yr. (gone) 1996 Ducati 900SS/SP- 89,000 mi. 12 yr. (gone) 500,000+ BMW miles |
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Zitat von Richard230 im Beitrag #8Zitat von Bikepirate im Beitrag #6 it's a canbus thing, naturally. The frame ground floats about too much to be reliable for the high speed comms of the canbus transceivers. The system needs a regulated ground to ensure there is not any confusion between a 1 and 0 on the canbus. That's the hardware side. It would be nice if the software wonks at BMW were more concerned about getting the ones and zeros in the right sequence so that the various peripherals sang the same tune on the canbus. Perhaps they needed Cliff as a consultant?
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Zitat von Richard230 im Beitrag #10Zitat von Duckbubbles im Beitrag #9Zitat von Richard230 im Beitrag #8 It's not so bad actually. The cost of a Ground Module is approx $460 (US $330) plus install. Could be a lot worse! Wessie is probably correct. Sometimes I wonder whether the Canbus system is worth it. Ok, it saves on wiring etc. but the electronics needed to uphold the system must negate some of the savings. It reminds me of the servo brakes on the previous R1150RS, a solution to a problem which didn't exist. I also had the previous R1100RS (I'm a glutton for punishment!) and the brakes were pretty damn good without a servo assist. Is this BMW Engineers always getting their way I wonder. |
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