Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

P0616-Crank request signal is true and PCM key crank enable signal is no crank.
P0617-Crank request signal is false and PCM key crank enable signal is crank.
P2617-The 12x and 2x signals differ from each other by more than 3.5 percent.
P0725-The 12x and 2x signals differ from each other by more than 6 percent.