P05F1

2017-10-10

Description:

  • Reductant Pump Supply Voltage Circuit Stuck On

Possible Symptoms:

  • Check and replace the reductant pump fuse if necessary

  • Inspect and clean the reductant pump connectors for any loose or corroded wires

  • Test the reductant pump relay and replace if faulty

  • Replace the reductant pump if all other solutions fail

Possible Causes:

  • Faulty reductant pump

  • Blown fuse in the reductant pump supply circuit

  • Short circuit in the reductant pump wiring

  • Malfunctioning reductant pump relay

  • Wiring issue in the reductant pump supply circuit

Related Parts:

Possible Solutions:

  • Engine warning light illuminates on the dashboard

  • Decreased engine performance or reduced power

  • Difficulty starting the vehicle or failure to start

  • Increased fuel consumption

  • Presence of a strong or unusual smell from the vehicle's exhaust

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