Conditions For Setting 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 set under the following conditions:
- Transmission fluid temperature is above -13°F (-25°C).
- All pressure switches do not indicate pressure (at start-up).
- Engine speed is above 500 RPM for 6 seconds or 400 RPM for 15 seconds.
- Forward or Reverse gear is selected.