Yamaha Programmer (failure to connect to ecu)

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11/15/2017 12:46 PM

Anyone else ever get that message on the programmer?

Used this programmer on probaly 10 bikes over the years no issues. Picked up a 15 yz250fx and when I hook it up it says “failure to connect to ecu”. Is this caused by the bike or a faulty programmer?

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11/15/2017 12:55 PM

Could be either. Might try another bike to find out. That used bike might have a bad connector or something.

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2009 Kawasaki KX450F
2009 Kawasaki KX250F
2002 Suzuki GSXR 600

11/15/2017 12:57 PM

Ya if I had another Yamaha in the garage I would check it. Just not sure if it was a common message people have gotten and simply wiggle XYZ and your good.

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11/15/2017 1:02 PM

Not sure about the yz, but the kawasaki connector is really easy to get to. Easy enough to do at a dealer. have one of the dealership mechanics hook it up and see if its easy enough. Wish i could offer more than the basic diagnostic stuff.

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2009 Kawasaki KX450F
2009 Kawasaki KX250F
2002 Suzuki GSXR 600