Conditions for Running the DTC

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. 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 in the PCM.
The ignition voltage is between 9-16 volts.