Conditions For Setting DTC
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. 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.