Solution Found!
I kept getting random chimes even with my keys sitting in a cupholder. I actually got worried when I would park and as soon as I dial in Park the hatch would open. Once the hatch opened as I was walking away...
At the same time the foot wagging opening feature always worked randomly, if at all, and would even happen when just standing near the hatch. My working theory was that moving shadows/contrast could set it off.
I tested with someone in the car in drive and I waved my foot wildly under the rear hatch and the chimes went off! So given that the feature is useless anyways, I disconnected the sensor wire under the passenger side rear bumper in the little attached box.
It's been week now. No errors. No chimes
Dennis.
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