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.
The Powertrain Control Module (PCM) detects a discrepancy between the Pulse Width Modulated (PWM) signal supplied to the Fuel Control Actuator and the PWM returned from the Fuel Control Actuator.