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P1244 2010 Ford Fusion Code - Alternator Load Input Failed High

Quick Answer

The P1244 diagnostic trouble code (DTC) for a 2010 Ford Fusion indicates that the alternator load input has failed high. Common causes include Faulty alternator, Loose or corroded electrical connections, Defective alternator load input sensor. 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
P1244 2010 Ford Fusion indicates Alternator Load Input Failed High.
Common causes
Common causes include Faulty alternator, Loose or corroded electrical connections, Defective alternator load input sensor.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P1244 2010 Ford Fusion Description

The P1244 diagnostic trouble code (DTC) for a 2010 Ford Fusion indicates that the alternator load input has failed high. This means that the vehicle's onboard computer has detected an issue with the alternator load input signal, which is responsible for monitoring the electrical load on the alternator. The alternator load input signal is crucial for the proper functioning of the vehicle's charging system, as it helps regulate the output of the alternator to meet the electrical demands of the vehicle.

OBDII Code P1244 2010 Ford Fusion - Alternator Load Input Failed High
P1244 2010 Ford Fusion Code - Alternator Load Input Failed High

Common Causes of P1244 2010 Ford Fusion

  1. Faulty alternator
  2. Loose or corroded electrical connections
  3. Defective alternator load input sensor
  4. Wiring issues in the alternator load input circuit
  5. Battery issues affecting the alternator's ability to charge

Symptoms of P1244 2010 Ford Fusion

  1. Dim or flickering headlights
  2. Difficulty starting the vehicle
  3. Dashboard warning lights related to the charging system
  4. Electrical components not functioning properly
  5. Vehicle stalling while driving

How to Fix P1244 2010 Ford Fusion

  1. Begin by performing a thorough inspection of the alternator, battery, and electrical connections to identify any visible signs of damage or wear.
  2. Test the alternator load input sensor and wiring using a multimeter to check for proper voltage and continuity.
  3. Replace the alternator if it is found to be faulty or not providing the correct output.
  4. Repair or replace any damaged wiring or connectors in the alternator load input circuit.
  5. Clear the DTC from the vehicle's computer using a scan tool and test the vehicle to ensure the issue has been resolved.

Cost to Fix P1244 2010 Ford Fusion

The cost of repairing a P1244 code on a 2010 Ford Fusion can vary depending on the extent of the issue and the specific parts that need to be replaced. On average, the cost of replacing an alternator can range from $300 to $800, including parts and labor. Additional costs may be incurred for any necessary wiring repairs or sensor replacements. It is recommended to consult with a professional mechanic or auto repair shop for a more accurate estimate based on the specific circumstances of the vehicle. Keep in mind that labor rates can vary between different repair shops, so it's advisable to shop around for the best price.

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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.

Frequently Asked Questions about P1244 2010 Ford Fusion Code

1. What are the common symptoms of OBDII code P1244 on a 2010 Ford Fusion?

The common symptoms of OBDII code P1244 include dimming or flickering lights, battery-related warning lights on the dashboard, and potential issues with the vehicle's electrical system.

2. What does the OBDII code P1244 "Alternator Load Input Failed High" mean on a 2010 Ford Fusion?

The P1244 code indicates that the alternator load input signal to the vehicle's PCM (powertrain control module) is higher than the expected range.

3. What are the possible causes of OBDII code P1244 on a 2010 Ford Fusion?

Possible causes of code P1244 include a faulty alternator, damaged wiring or connectors in the alternator circuit, a malfunctioning PCM, or a weak or failing battery.

4. How can I diagnose the OBDII code P1244 on my 2010 Ford Fusion?

Diagnosing code P1244 involves checking the alternator's output voltage, inspecting the wiring and connectors for any damage, testing the battery's condition, and scanning the vehicle's PCM for any related fault codes.

5. Can I continue driving my 2010 Ford Fusion with OBDII code P1244?

It is not recommended to continue driving the vehicle with code P1244, as it may lead to further damage to the electrical system or cause the vehicle to stall unexpectedly.

6. How can I repair OBDII code P1244 on my 2010 Ford Fusion?

Repairing code P1244 typically involves replacing a faulty alternator, repairing any damaged wiring or connectors, resetting the PCM after the issue is resolved, and ensuring the battery is in good condition.

7. Will resetting the OBDII code P1244 on a 2010 Ford Fusion make it go away permanently?

Resetting the code may temporarily clear the warning light, but if the underlying issue causing code P1244 is not addressed, the code is likely to reappear after some driving cycles.

8. Can a DIY enthusiast fix OBDII code P1244 on a 2010 Ford Fusion?

While some aspects of diagnosing and repairing code P1244 may be within reach of a knowledgeable DIY enthusiast, dealing with electrical components such as the alternator may require specialized tools and expertise.

9. How much does it cost to repair OBDII code P1244 on a 2010 Ford Fusion?

The cost of repairing code P1244 can vary depending on the cause of the issue, the extent of the repairs needed, and whether you choose to go to a dealership, an independent mechanic, or attempt a DIY repair.

10. How can I prevent OBDII code P1244 from recurring on my 2010 Ford Fusion?

Regular maintenance of the alternator, battery, and electrical system, as well as addressing any warning signs promptly, can help prevent OBDII code P1244 from recurring in the future.

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