Code 54: Fuel Pump Circuit (3.1L)

Code 54 will set if the ECM does not see 12 volts on the fuel pump signal voltage monitor during the first 2 seconds after ignition is turned on.

Fig 1: Code 54: Fuel Pump Circuit Circuit Diagram (3.1L)

Fig 2: Code 54: Fuel Pump Circuit Flow Chart (3.1L)