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 vacuum is 0-105 kPa.
Engine torque is 40-400 ft. lbs. (54-542 N.m).
Throttle Position (TP) angle is greater than 12 percent.
Engine speed is greater than 3000 RPM.
Transmission is not in Park or Neutral.
No Manifold Absolute Sensor (MAP) sensor DTCs P0107 or P0108.
No TP sensor DTCs P0122 or P0123.
No Transmission Fluid Pressure (TFP) manual valve position switch DTC P1810.

DTC sets when transmission output speed is less than 150 RPM for 3 seconds.