Theory Of Operation
WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
The functional effects are that the output signal for all wheel speeds mimic the wheel with the highest wheel speed.
This DTC sets when the Emissions Rolls Test is active.
Close out the Emissions Rolls Test though the FCM.