P027D

2017-10-10

Description:

  • Fuel Pump Module B Control Circuit High

Possible Symptoms:

  • Check the fuel pump module for any loose connections or damaged wiring.

  • Inspect the fuel pump relay and replace if necessary.

  • Test and replace the fuel pump if it is not functioning properly.

  • Check for any clogged fuel filters and replace if needed.

  • Have the fuel pressure sensor tested and replace if it is faulty.

Possible Causes:

  • Malfunctioning fuel pump module

  • Wiring issue or short circuit in the fuel pump module control circuit

  • Faulty fuel pump relay

  • Problem with the engine control module (ECM) or powertrain control module (PCM)

  • Incorrect fuel pressure or fuel volume

Related Parts:

Possible Solutions:

  • Engine misfires or stalls while driving

  • Difficulty starting the vehicle

  • Decreased fuel efficiency

  • Poor engine performance or lack of power

  • Illumination of the check engine light

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