Conditions for Running the DTC
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Battery voltage is greater than 9.0 V and less than 18 V.
- Engine speed is greater than 200 RPM.
- HSD1 is commanded on.