Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
P182E
Internal Mode Switch Park/Reverse or Neutral
The internal mode switch does not indicate a valid Park, Reverse, Neutral or Drive range gear position.
P1915
Internal Mode Switch = Park/Reverse or Neutral - During engine startup