Engine-CodesFord – P1480 Ford

P1480 Ford Code - Fan Secondary Low With Low Fans On

Quick Answer

The P1480 Ford code indicates that there is an issue with the secondary cooling fan circuit when the primary cooling fan is operating at a low speed. Common causes include Faulty secondary fan motor: The most common cause of this code is a malfunctioning secondary fan motor that fails to engage when needed, Wiring issues: Poor electrical connections, damaged wiring, or corroded connectors can prevent the secondary fan from receiving the signal to turn on, Faulty cooling fan relay: A defective relay that controls the secondary fan may prevent it from operating properly. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1480 Ford indicates Fan Secondary Low With Low Fans On.
Common causes
Common causes include Faulty secondary fan motor: The most common cause of this code is a malfunctioning secondary fan motor that fails to engage when needed, Wiring issues: Poor electrical connections, damaged wiring, or corroded connectors can prevent the secondary fan from receiving the signal to turn on, Faulty cooling fan relay: A defective relay that controls the secondary fan may prevent it from operating properly.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1480 Ford Description

The P1480 Ford code indicates that there is an issue with the secondary cooling fan circuit when the primary cooling fan is operating at a low speed. In vehicles with dual cooling fans, the secondary fan should kick in when the primary fan is not providing enough cooling. This code typically points to a problem with the secondary fan not operating correctly when needed, which can lead to overheating of the engine.

OBDII Code P1480 Ford - Fan Secondary Low With Low Fans On
P1480 Ford Code - Fan Secondary Low With Low Fans On

Common Causes of P1480 Ford

  1. Faulty secondary fan motor: The most common cause of this code is a malfunctioning secondary fan motor that fails to engage when needed.
  2. Wiring issues: Poor electrical connections, damaged wiring, or corroded connectors can prevent the secondary fan from receiving the signal to turn on.
  3. Faulty cooling fan relay: A defective relay that controls the secondary fan may prevent it from operating properly.
  4. Cooling fan control module failure: The module that regulates the operation of the cooling fans may be malfunctioning, leading to the issue.
  5. Cooling fan fuse: A blown fuse in the cooling fan circuit can also trigger this code as it interrupts the power supply to the secondary fan.

Symptoms of P1480 Ford

  1. Engine overheating: One of the most common symptoms associated with this code is the engine overheating due to inadequate cooling from the secondary fan.
  2. High engine temperature gauge: The temperature gauge on the dashboard may show a higher temperature than normal, indicating an issue with the cooling system.
  3. A/C not working properly: The air conditioning system may not cool the interior of the vehicle effectively if the secondary fan is not operating correctly.
  4. Engine running hot at idle: The engine may run hotter than usual when the vehicle is idling, especially in traffic or at a standstill.

How to Fix P1480 Ford

  1. Diagnostic scan: Begin by using an OBD-II scanner to retrieve the specific error code and identify the underlying issue with the secondary cooling fan.
  2. Check secondary fan operation: Test the secondary fan motor to determine if it is functioning correctly. Replace the fan motor if it fails the test.
  3. Inspect wiring and connections: Check the wiring harness, connectors, and relay for any signs of damage or corrosion. Repair or replace any faulty components.
  4. Test cooling fan relay: Verify the operation of the cooling fan relay by testing it or replacing it if necessary.
  5. Check cooling fan control module: If all other components are in working order, the cooling fan control module may need to be replaced to resolve the issue.

Cost to Fix P1480 Ford

The cost of repairing a P1480 Ford code can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to spend between $150 to $400 for parts and labor. Keep in mind that diagnostic time and labor rates can fluctuate based on location, vehicle make and model, and the complexity of the repair. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate for your specific situation.

When is the Code Detected?

The Engine Control Module (ECM) ommanded low cooling fan on and detected the secondary circuit was low

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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