VOL-FCR is still showing a fault for the range sensor, the same fault that was present back last year. Either the code is "stuck" and needs to be reset, or the TCM itself is faulty and erroneously shows the code.

In any case, I went ahead and ordered a current version of VOL-FCR. I am partly motivated by an intermittent ABS fault - it seems accelerating rapidly through a turn angers the ABS system and the light illuminates. Shutting the car down and restarting it clears the code, but obviously that isn't a good long-term solution. The demo of VOL-FCR shows a code stored in the ABS control module (but hides it), so when I get the full version and can see the actual code and hopefully that will point me towards the issue.

Regardless, the car runs and drives great, and no new engine control module codes have been set after 50 miles of varied driving. More importantly, the car hasn't failed to go those 50 miles reliably, which is a big step from the shenanigans it was pulling last year. ;)