July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

DRBIII® Displays P/N & D/R Not In Correct Position
Park/Neutral Switch (TRS Assembly)
P/N Position Switch Sense (TRS T41 Sense) Circuit Shorted To Ground
P/N Position Switch Sense (TRS T41 Sense) Circuit Open
PCM