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2016 lowrider not starting ECM was changed and now bike tries to fire up,starts for a sec then dies immediately and when I start it and it fires and dies I can’t just hit the button again and fire it up have to turn key off and back on sometimes when this happens the hazards start to flash and the lights on the gauges any ideas what the issue is?!?!?
 

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The ECM and BCM need to be married. Whoever installed the ECM should have done that.
OR the ECM and TSSM need to be married. I don't remember which one is on the 2016 models off hand.
 

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Discussion Starter #3
The ECM and BCM need to be married. Whoever installed the ECM should have done that.
OR the ECM and TSSM need to be married. I don't remember which one is on the 2016 models off hand.
How do you pair the ECM and the BCM isn’t there some sequence you have to do to pair them??
 

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Also new ECMs come bare, no program. The ECM needs to get programmed with the Harley shop computer. If the installer wasn't a Harley dealer the new ECM isn't programmed yet.
 
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