Conditions for Running the DTC

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

No MAF sensor DTCs P0101, P0102 or P0103.
No MAP sensor DTCs P0106, P0107 or P0108.
No TP sensor DTCs P0121, P0122 or P0123.
No TFP manual valve position switch DTC P1810.
No ISS DTCs P0716 or P0717.
No VSS DTC P0503.
The engine torque must be 108-576 N.m (80-425 lb ft).
No change in 4WD low for at least 2 seconds.
The input speed is greater than 1,400 RPM.
The gear range is not PARK or NEUTRAL.
The system voltage is 8-18 volts.
Throttle angle is greater than 10 percent.
The engine vacuum is 0-105 kPa (0-15 psi).
The engine is running for greater than 7 seconds.