General Category > Engine related issues

Anyone come across this fault (F650GS single spark)

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Britmech:
1539: Error in BMS-Compact Control Unit, Error in Bank2.
It is on a F650GS single spark.
Any ideas what / where bank 2 is ????

Haakon:
BMS-C is the F650 ECU.
I never knew , do not understand the "bank2" OR the fault number (1539)
If you do NOT have a problem with you bike, try forget it  :D
Have you tried using the GS911 with the latest stable software AND the latest Beta?
I will try find a solution (explanation) to the 1539 fault code but need some time.
Haakon

cbonnemayer:
Hi,

The program memory of the BMS-K is devided in banks. Each bank is 16 kbyte in size, it has 8 banks, so that's 128k byte in total. This program memory contains your engine management system, and the fuel and spark maps. The error suggests there's a problem with this program memory.  You could ask you dealer to update your BMS-K to the latest version. Version 8000-3606 was the last version (in europe). I had my F650GS updated about a year ago for about € 50,-

Regards,

Charlie

Britmech:
Thanks did not know that.

WayneC:
The 650GS has a Hella BMSC not a Bosch BMS-K but the error could be memory, there is provision for only Bank 1 or bank 2 errors in the BMSC fault codes which may reflect less memory in the BMSC. I have seen that error in a BMSC on the test bench but the unit was working in the bike

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