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Electronics-Stereo/GPS/Chartplotter/Electrical etc

N2K Comm Error

Thread starter Mjensen79
Start date Jul 24, 2021

Mjensen79

Member

Jul 24, 2021

I have a 2013 AR20, When I started it this morning to make sure we were all good to go out to the lake today. I got the N2K Comm Error on the port tach, Speedomeeter gage arrow just kept going back and forth and the Starboard Tach displayed ID 0x02. I have read all the other post on here about the N2k Comm error and looks like the fixes are all over the place. Looks like most common fix is replacing the Tach. I'm hoping I don't need to replay all 3.

So far I have pulled every plug and reconnected it that I can find behind the dash and in the engine compartment. With no change. my 3 batteries are brand new.

Does anyone have any recommendations on what to do next?

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