BCM malfunction
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Intermediate
Joined: Sep 2020
Posts: 36
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From: Hungary
BCM malfunction
Hi, I have a Harley Davidson 2014 fatboy lo. I cannot start the engine as the following error message appear.
B2121: starter output open/BCM malfunction. Does anyone have any idea how I could solve this problem? Thanks
B2121: starter output open/BCM malfunction. Does anyone have any idea how I could solve this problem? Thanks
Road Warrior
Joined: Dec 2008
Posts: 1,997
Likes: 915
From: Madisonville, La
Check for voltage at the starter battery lead lug to determine where to start looking. Starter or back to bcm and wiring. There's always pull the main fuse for 5 minutes in the hope it's an electronic glitch.
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