Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
The forward signal circuit is high during a driving cycle. The vehicle, during this driving cycle, accelerates from less than 9 km/h (6 mph) to more than 48 km/h (30 mph) and then decelerates to less than 9 km/h (6 mph) while the range selector is in the D or I position.