New EPC light today...P2535

EPC light came on today. Ran AutoScan in VCDS and the only code from today was:

009525 - Ignition Switch; Run/Start Position Circuit
P2535 - 001 - Short to Plus
Freeze Frame:
Fault Status: 01100001
Fault Priority: 2
Fault Frequency: 4
Reset counter: 255
Mileage: 177315 km
Time Indication: 0
Date: 2018.02.06

Next time I keyed the car up there was no EPC light. Any thoughts? Does any of this fit with the codes I got ~1200mi on January 17? Those related to throttle body position issues and a few voltage codes in a lot of different modules (see my other thread: http://audirevolution.net/forum/index.php?topic=4678.0) Is this pointing to a bad connector or control module somewhere?