AutoCodes – Ford – P1474 Ford

P1474 Ford Code - Low Fan Control Primary Circuit

Quick Answer

Monitors the Low Fan Control (LFC) primary circuit output from the Powertrain Control Module (PCM). Common causes include Faulty Cooling Fan, Faulty Cooling Fan Relay, Cooling Fan harness is open or shorted. 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
P1474 Ford indicates Low Fan Control Primary Circuit.
Common causes
Common causes include Faulty Cooling Fan, Faulty Cooling Fan Relay, Cooling Fan harness is open or shorted.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 29,073
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 24, 2019
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Code P1474 Ford Description

Monitors the Low Fan Control (LFC) primary circuit output from the Powertrain Control Module (PCM). The test fails if the PCM grounds the LFC circuit, excessive current draw is detected on the LFC circuit, or with the LFC circuit not grounded by the PCM, voltage is not detected on the LFC circuit (the PCM expects to detect VPWR voltage coming through the low speed FC relay coil to the LFC circuit).
OBDII Code P1474 Ford - Low Fan Control Primary Circuit - AutoCodes.com
P1474 Ford Code - Low Fan Control Primary Circuit

What are the Possible Causes of the DTC P1474 Ford?

  • Faulty Cooling Fan
  • Faulty Cooling Fan Relay
  • Cooling Fan harness is open or shorted
  • Cooling Fan circuit poor electrical connection

How to Fix the DTC P1474 Ford?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1474 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1474 Ford code?

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Need Help with the Code?

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Information for Specific Ford Models

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.

Frequently Asked Questions about P1474 Ford Code

1. What are the common symptoms of OBDII code P1474 Ford (Low Fan Control Primary Circuit)?

- Common symptoms include overheating of the engine, the cooling fan not working properly, and the vehicle's temperature gauge showing high readings.

2. What are some possible causes of OBDII code P1474 Ford (Low Fan Control Primary Circuit)?

- Possible causes include a faulty cooling fan motor, a defective cooling fan relay, damaged wiring or connectors in the fan circuit, or a malfunctioning engine coolant temperature sensor.

3. How can I diagnose the issue related to OBDII code P1474 Ford (Low Fan Control Primary Circuit)?

- You can start by checking the cooling fan operation by turning on the air conditioning or letting the engine run until it reaches operating temperature. Then, use a multimeter to test the cooling fan motor, relay, and related electrical components for proper functionality.

4. What are some repair tips for resolving OBDII code P1474 Ford (Low Fan Control Primary Circuit)?

- Repair tips include inspecting and repairing any damaged wiring or connectors, replacing a faulty cooling fan motor or relay, ensuring proper grounding of the components, and clearing the trouble code after the repair is completed.

5. Can driving with OBDII code P1474 Ford (Low Fan Control Primary Circuit) cause further damage to the vehicle?

- Continuing to drive with this code can lead to engine overheating, which can cause severe damage to engine components such as the head gasket, pistons, and cylinders. It is recommended to address the issue promptly to prevent further damage.

6. Will resetting the OBDII code P1474 Ford (Low Fan Control Primary Circuit) turn off the check engine light?

- Resetting the trouble code may turn off the check engine light temporarily, but if the underlying issue causing the fault code is not fixed, the code and light are likely to return after some time.

7. Is it safe to continue driving my vehicle with OBDII code P1474 Ford (Low Fan Control Primary Circuit)?

- It is not safe to drive the vehicle with this code, as it indicates a cooling system issue that can lead to engine overheating and potential damage. It is recommended to address the problem as soon as possible.

8. How much does it typically cost to repair OBDII code P1474 Ford (Low Fan Control Primary Circuit)?

- The cost of repair can vary depending on the specific cause of the issue, but it may involve expenses for parts such as a cooling fan motor or relay, as well as labor costs for diagnosis and repair. It is advisable to consult a mechanic for an accurate estimate.

9. Can extreme weather conditions affect the likelihood of triggering OBDII code P1474 Ford (Low Fan Control Primary Circuit)?

- Yes, extreme weather conditions such as high temperatures can put additional strain on the cooling system components, potentially increasing the likelihood of triggering this fault code. It is important to ensure the cooling system is functioning properly, especially in such conditions.

10. How long does it take to repair OBDII code P1474 Ford (Low Fan Control Primary Circuit)?

- The repair time can vary depending on the specific cause of the issue and the complexity of the repair process. It may take anywhere from a few hours to a full day to diagnose and fix the problem related to this fault code.

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