FixVault

Possible Causes

WARNING: This page is about a different car, the 2011 RAM Dakota. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(C115) DEFOGGER RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
REAR WINDOW DEFOGGER RELAY
INTEGRATED POWER MODULE (IPM)
FRONT CONTROL MODULE (FCM)