Well, solve one problem and another appears. I have noticed over the last few trips that my front tps (tire pressure sensor) was reading "---". I have seen this happen in the past, but it is very rare. No longer. Yesterday it was absent on my way to a destination, but returned after the next start on the way home. Today it was absent my entire trip, across 4 starts (initial start, break time, stupid draw bridge, then for gas). Never a low battery indicator. Rear one works fine every time.
These are the newer model (potted) sensors, installed under warranty. My first ones failed with low batteries on 4/2014 with 9K miles (were only 3 years old), with months of random battery warnings, depending on temperature)- very disappointing. So these are now 4 years old with 32K miles on them, so it was looking pretty good (maybe they really have fixed the design).
I don't recall many, if any, posts showing these symptoms. Usually they are people who have gotten low battery warnings, or bought their bike used, with already dead sensors. I am thinking maybe the centrifugal switch is sticking?
Starting to document each occurrence with photos as proof, if this escalates.