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TuningBot DTC Database · v4.37.14

P1479 Ford - High Fan Control Primary Circuit

Manufacturer-specific interpretation for Ford. All interpretations of P1479

P · PowertrainEngineOBD2

What P1479 means

P1479
High Fan Control Primary Circuit Ford · engine Data confidence 80%

The control module detected improper operation of the High Fan Control Primary circuit. This is the manufacturer-specific definition used by Ford.

Possible causes

  • Wiring
  • engine coolant blower motor relay
  • ECM

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Inspect relevant wiring and connectors
  • Check power supplies and grounds
  • Compare commanded and measured values
  • Check applicable OEM service information

Related and nearby codes

How to read P1479

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

479

Specific fault index within the subsystem.

Frequently asked questions about P1479

What does P1479 mean?

High Fan Control Primary Circuit. The control module detected improper operation of the High Fan Control Primary circuit. This is the manufacturer-specific definition used by Ford.

Is P1479 generic or manufacturer-specific?

P1479 is a manufacturer-specific code. In this database it is documented for: Ford. The same number can mean something different on other brands.

Can TuningBot remove P1479 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningStage 1 dyno results for Ford engines See the results →

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