Conditions For Setting DTC

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Sierra, 2002 GMC Savana Special, 2002 GMC Savana Camper Special, and 2002 GMC Savana. However, it is still accessible from the selected car via links, so may be relevant.

The change in the Throttle Position (TP) indicated angle is more than 5 percent for 1 second for 6 samples.
The HO2S voltage is between 410-490 mV for more than 145 seconds.