Conditions for Setting the DTC: P1832
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The TCM detects an internal short to voltage on the high side driver 2 circuit for 3 out of 5 seconds.