Conditions for Running the DTC

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

The vehicle is in Drive or Reverse.
The vehicle speed is greater than 8 km/h (5 mph).
There are no VSS DTCs present.
The ignition voltage is between 9-16 volts.