2011 dyna running rough,speedometer not working
2011 wide glide running rough but idles fine and speedometer is not working
The two issues very likely are connected. The serial communication bus connects all the modules, and the engine management system manages your ignition timing and idle speed control differently if you're moving vs rolling. Often the engine will stall when coming to a stop when the speedo has failed. First define what you mean by "not working" on the speedo - not registering speed? Odometer not displaying or not advancing properly while riding? Backlight not lighting up? Needle whipping about violently? Cure the speedometer issue and there's a good chance it will run better.
2013 Dyna wide glide speedometer stays on 0, not working. Gear ratio stopped working but rpm’s are still working. Stalls when coming to a stop!
The ECM needs the speed signal from the speedometer to manage idle speed, so it’s common for the engine to stall in that situation. First test the speed sensor, hope that’s all it is. If the speed sensor is good, the speedometer itself can be bad.
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