FixVault

Fuel Pump Driver Module Duty Cycle Signals

FUEL PUMP DRIVER MODULE DUTY CYCLE SIGNALS REFERENCE CHART

Duty Cycle Comments
20% This duty cycle indicates the fuel pump control module is receiving an invalid duty cycle from the PCM.
40% This duty cycle indicates the fuel pump control module is receiving an invalid duty cycle from the RCM.
60% 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.