Conditions For Setting DTC

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Sonoma, 2002 GMC Safari, 2002 GMC Jimmy, 2002 Chevrolet S10 Pickup, and 2002 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

The TP sensor reading is more than a predicted value when the MAP is less than 43 kPa.
The TP sensor reading is less than a predicted value when the MAP is more than 67 kPa.
The above conditions are present for 1 second.