FixVault

Possible Causes

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(F1) FUSED IGNITION SWITCH OUTPUT (RUN START) CIRCUIT OPEN
(F1) FUSED IGNITION SWITCH OUTPUT (RUN START) CIRCUIT SHORTED TO VOLTAGE
SHIFTER LEVER ASSEMBLY (3.7L or 6.1L ONLY)
POWERTRAIN CONTROL MODULE (EXCEPT 3.7L or 6.1L)
FRONT CONTROL MODULE