P1479 – Ford DTC

Ford DTC P1479 – High Fan Control Primary circuit

DTC P1479 meaning on Ford

DTC P1479 on a Ford vehicle indicates a fault in the High Fan Control Primary circuit. This diagnostic trouble code is related to the operation of the cooling fan control system.

Ford DTC P1479 symptoms

Symptoms of DTC P1479 on a Ford may include:

  • Engine overheating
  • Malfunctioning cooling fan
  • Check Engine Light illuminated

Ford DTC P1479 causes

Common causes of DTC P1479 on a Ford can include:

  • Faulty cooling fan control module
  • Defective cooling fan relay
  • Wiring issues in the high fan control circuit

Ford DTC P1479 seriousness

The seriousness of DTC P1479 on a Ford lies in the potential for engine overheating, which can lead to more severe engine damage if not addressed promptly. It is important to diagnose and resolve this issue to prevent further complications.

How to diagnose DTC P1479 on Ford

To diagnose DTC P1479 on a Ford, a mechanic may perform the following steps:

  1. Use a scan tool to retrieve the DTC and freeze frame data
  2. Inspect the cooling fan control module and relay for any visible damage
  3. Check the wiring and connectors in the high fan control circuit for continuity and proper connections

How to fix DTC P1479 on Ford

To fix DTC P1479 on a Ford, the following steps may be taken:

  1. Replace the faulty cooling fan control module or relay
  2. Repair any damaged wiring or connectors in the high fan control circuit
  3. Clear the DTC and test the cooling fan operation

How to erase DTC P1479 on Ford

To erase DTC P1479 on a Ford, the fault must first be repaired. Once the issue is fixed, the DTC can be cleared using a scan tool that has the capability to clear diagnostic trouble codes.

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