Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2771 sets when one of the following conditions occur:
- The transfer case switch indicates high range, and the calculated range is low range for 5 seconds or greater.
- The transfer case switch indicates low range, and the calculated range is high range for 5 seconds or greater.