LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2021 >> Edge ST >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Description & Operation (Except Diesel & Hybrid) >> Fuel Systems >> Fuel Pump Monitor (FPM) - All Others >> Fuel Pump Control Module Duty Cycle Signals (All Others)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pump Control Module Duty Cycle Signals (All Others)

FUEL PUMP CONTROL MODULE DUTY CYCLE SIGNALS (ALL OTHERS)

Duty Cycle Comments
20% This duty cycle indicates the fuel pump control module is receiving an invalid duty cycle from the PCM.
40% For vehicles with event notification signal, this duty cycle indicates the fuel pump control module is receiving an invalid event notification signal from the RCM. For vehicles without event notification signal, this duty cycle indicates the fuel pump control module is functioning normally.
60% For vehicles with event notification signal, this duty cycle indicates the fuel pump control module is functioning normally.
80% This duty cycle indicates the fuel pump control module is detecting a concern with the secondary circuits.