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 TP sensor DTCs P0121, P0122 or P0123.
No VSS DTC P0502 or P0503.
No ISS DTC P0717.
AT ISS DTC P0717 has run and passed.
No 1-2 shift solenoid DTCs P0751, P0752 or P0753.
The system voltage is 8-18 volts.
The throttle angle is greater than 10 percent.
The vehicle speed is greater than 12 km/h (7 mph).