Yamaha Programmer (failure to connect to ecu)

oceantrav
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815
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10/20/2015
Location
Tarpon Springs, FL US
11/15/2017 12:46pm
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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Acidreamer
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1794
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8/25/2015
Location
Mansfield, OH US
11/15/2017 12:55pm
Could be either. Might try another bike to find out. That used bike might have a bad connector or something.
oceantrav
Posts
815
Joined
10/20/2015
Location
Tarpon Springs, FL US
11/15/2017 12:57pm
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.
Acidreamer
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1794
Joined
8/25/2015
Location
Mansfield, OH US
11/15/2017 1:02pm
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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