Conditions For Setting DTC
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
DTC sets when SDM detects SPS circuit amperage is 4 milliamps or less for 500 milliamps, when circuit amperage is 18 milliamps or more for 500 milliseconds or when circuit amperage is between 8 milliamps and 11 milliamps for 500 milliseconds.