FixVault

Possible Causes

WARNING: This page is about a different car, the 2012 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(D508) LIN BUS CIRCUIT SHORTED TO GROUND
(D508) LIN BUS CIRCUIT SHORTED TO VOLTAGE
WINDSHIELD
RAIN SENSING MODULE (RSM)
WIRELESS CONTROL MODULE (WCM)