Conditions For Setting DTC

WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. 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.