Code Enable Criteria

WARNING: This page is about a different car, the 2001 GMC Savana, 2001 Chevrolet RV Cutaway, 2001 Chevrolet Cutaway, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Engine Coolant Temperature (ECT) is more than 140°F (60°C).
Barometric (BARO) pressure is more than 65 kPa.
Engine run time is more than 60 seconds.
TP sensor is less than 0.7 percent.
Vehicle Speed Sensor (VSS) is less than one MPH.
Ignition voltage is 9-18 volts.
Intake Air Temperature (IAT) is more than 14°F (-10°C).
DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0117, P0118, P0121, P0122, P0123, P0125, P0128, P0171, P0172, P0174, P0175, P0200, P0300, P0401, P0404, P0405, P0440, P0442, P0443, P0446, P0449, P1111, P1112, P1114, P1115, P1121, P1122, P1380, P1381, P1404, or P1441 are not set.
Conditions are present for 2 seconds.

DTC sets when actual engine speed is 100 RPM more than desired engine speed.