WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
POSSIBLE CAUSES
(F51) FUSE OPEN
LOW OR HIGH VOLTAGE AT THE KIN/IGNM
(A910) FUSED B+ CIRCUIT OPEN OR SHORTED TO GROUND
KEYLESS IGNITION NODE (KIN) OR IGNITION NODE MODULE (IGNM)