Conditions for Setting the DTC
WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
Transmission control module (TCM) detects a Tap Enable Switch request for 3 s when the shift lever is in Park, Reverse, or Neutral, a total of 5 times.