Conditions for Setting the DTC

WARNING: This page is about a different car, the 2018 Cadillac XTS. However, it is still accessible from the selected car via links, so may be relevant.

P182E

Internal mode switch does not indicate a valid Park, Reverse, Neutral or Drive Range gear position for 7 s.

P1915

Internal mode switch does not indicate Park or Neutral during the following sequence:

Engine speed is 50 RPM or less for 0.25 s or greater.
Engine speed is 50 - 480 RPM for 0.07 s or greater.
Engine speed is 525 RPM or greater and the transmission input speed is 200 RPM or greater for 1.25 s.