Conditions for Setting the DTC: P2161
WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Loss of speed signal from the transfer case speed sensor.
- Output speed signal is increasing: current transfer case speed signal - last valid output speed 475 RPM or greater.
- Output speed signal is decreasing: current transfer case speed signal - last valid output speed 255 RPM or less.