I have tried a Sunpie LED on my 2012 FXDC and 2 of them now have caused a B2136 error "OPEN LOW OUTPUT OPEN".
Has anyone had any luck on the 2012 Canbus with a generic LED that they can suggest?

 

It’s not seeing the load and it thinks that the bulb is bad. Have the dealer reflash the CANBUS for the LED. DO NOT add a load equalizer. It’ll get too hot.

 

I'm sure RANGER73 is right on the money.

I've had one like this for 4 years on my 2012 FXDC with no problems. https://www.ebay.com/itm/19295772120...Bk9SR4yekJqdYw

I don't know if it's the same exact one, but it looks exactly alike and I also bought it from ebay.

 

Had the same problem on my 13 FLD. Got a plug and play Resistor on Amazon for under $10, Solved!
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Do you have a link ? How hot does it get?

 

Had the same issue with a 2013 FXDF, LED turn signals. I contacted Eagle Lights, Give them a call it could help you out. I fought that for 1 yr, Went to Harley twice, No help.