Conditions For Running DTC

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0102, P0103, P0106, P0107, P0108, P0121, P0122, P0123, P0401, P0404, P0405, P0442, P0443, P0446, P0449, P0455, P0496, P1404 are not set.
The engine is cranking or running.
The ignition 1 signal is between 11 volts and 18 volts.
The Throttle Position (TP) sensor angle is less than 95 percent.
The change in the TP sensor angle is less than 5 percent.
The MAP sensor is more than 17 kPa.
The change in the MAP sensor is less than 3 kPa.
The above conditions are met for 1.5 seconds.