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.
DTC will run under the following conditions:
- The components are powered, and ignition voltage is greater than 9 volts and less than 18 volts.
- Engine speed is greater than 200 RPM and less than 7500 RPM for 5 seconds.
- Output speed sensor circuit DTCs P0721 and P0722 are not active.
- Output speed is above 60 RPM.
- Transmission fluid temperature is between 68°F (20°C) and 266°F (130°C).
- Shift is complete and Neutral is not selected.