Set Condition
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
MIL sets if excessive current is detected on the Pulse Width Modulated (PWM) signal sent by the Fuel Pump Control Module (FPCM) to the Fuel Pump assembly.