Fuel Pump Driver Module (FPDM)

The FPDM receives a duty cycle signal from the powertrain control module (PCM) and controls the fuel pump operation in relation to this duty cycle. This results in variable speed fuel pump operation. The FPDM sends diagnostic information to the PCM on the fuel pump monitor circuit. For additional information, refer to FUEL PUMP (FP)  for Fuel Pump and FUEL PUMP MONITOR (FPM)  for Fuel Pump Monitor.