Conditions for Setting the DTC

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Incorrect combination of 2 or more transmission range switch signals, with the TR Sw. Forward Range signal input LOW at the same time, for 1 second or greater.
The TR Sw. Forward Range signal input is LOW when P, R, N or L gear range is selected, for 1 second or greater.