FixVault

Fuel Pump Control Module Duty Cycle Signals

FUEL PUMP CONTROL MODULE DUTY CYCLE SIGNALS

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 event notification signal 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.

For additional information, refer to Powertrain Control Hardware,  Fuel Pump Control Module.