Set Condition:
WARNING: This page is about a different car, the 2011 Dodge Grand Caravan and 2011 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
When the Power Liftgate Module senses voltage less than 1.5 volts on the (Q89) Liftgate Close Driver circuit, prior to starting a power cycle, this code will set.