Conditions for Setting the DTC

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

Any one or more of the following conditions:

The IMS signal circuit A, B, or P are Low in Park for greater than 8 seconds.
The IMS signal circuit A is Low in D for 8 seconds.
The IMS signal circuit C is High in D for 8 seconds.
The TCM detects an invalid range from the IMS for 3.25 seconds.
The IMS signal circuit C is high in D for greater than 8 seconds.
Park/Neutral Switch equals P/N and the IMS state is not Park or Neutral, or the Park/Neutral switch is not Park or Neutral and the IMS state equals Park or Neutral for 4 seconds.
Or the automatic transmission manual shift shaft position switch assembly indicates a transitional state for 8 seconds.