Possible Causes

WARNING: This page is about a different car, the 2015 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

Possible Causes
LIN BUS CIRCUIT SHORTED TO VOLTAGE
LIN BUS CIRCUIT SHORTED TO GROUND
RIGHT STEERING WHEEL SWITCH (SPEED CONTROL)
STEERING COLUMN CONTROL SWITCH (SCCM)