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Old 07-09-2014, 09:13 PM   #1
Ray R OP
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Where is the Engine ECU on a 2009 GSA?

Before I start tearing into the bike looking, can someone please tell me where the Engine ECU is located on my 2009 GSA Adventure? Since it's not obvious to me, I'm thinking maybe under the tank? If so, can I get at it without removing the tank? Maybe just some of the panels?

I've done searches.....looked at google images......lots of photos of the ECU, but no photos of one mounted on a bike.
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Old 07-09-2014, 09:20 PM   #2
LaurelPerryOnLand
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While mine is an 06 GS...I'd guess that the ECU is in the same place on your 09 GSA...YES...under the tank.
You have to REMOVE the TANK if you want full access to the ECU.

Look at photos here:
http://advrider.com/forums/showthread.php?t=703446

Start at "Step 2."

LaurelPerryOnLand screwed with this post 07-09-2014 at 09:37 PM
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Old 07-10-2014, 02:40 AM   #3
capeklr
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Yep, under the tank and make sure its close to empty before removing the tank.
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Old 07-10-2014, 08:19 AM   #4
Ray R OP
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Thank you. That's exactly what I needed.
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Old 07-10-2014, 09:25 AM   #5
rideLD
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Your GS does not really have a ECU per say. It has several nodes that are networked together such as the BMSK, ICluster, and the ZFE. Each control certain functions of the bike. The BMSK is probably the closest thing to an ECU that node as others have stated, is under the tank.

There have been some really nice explanations of the network posted here in the past but I suck at searching so here is some good general info. http://bmwra.org/otl/single-what-system
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