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P1244 2000 Ford F150 Code - Alternator Load Input Failed High

Quick Answer

The P1244 diagnostic trouble code (DTC) for a 2000 Ford F150 indicates that the alternator load input has failed high. Common causes include Faulty alternator load input sensor, Loose or corroded electrical connections in the alternator load input circuit, Defective alternator. 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 2000 Ford F150 indicates Alternator Load Input Failed High.
Common causes
Common causes include Faulty alternator load input sensor, Loose or corroded electrical connections in the alternator load input circuit, Defective alternator.
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 15, 2024
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Code P1244 2000 Ford F150 Description

The P1244 diagnostic trouble code (DTC) for a 2000 Ford F150 indicates that the alternator load input has failed high. This means that the vehicle's powertrain control module (PCM) has detected an abnormal voltage level from the alternator load input circuit. The alternator load input is responsible for monitoring the electrical load on the alternator and adjusting the charging rate accordingly. When this circuit fails high, it can lead to issues with the vehicle's charging system, potentially causing the battery to not charge properly or even drain quickly.

OBDII Code P1244 2000 Ford F150 - Alternator Load Input Failed High
P1244 2000 Ford F150 Code - Alternator Load Input Failed High

Common Causes of P1244 2000 Ford F150

  1. Faulty alternator load input sensor
  2. Loose or corroded electrical connections in the alternator load input circuit
  3. Defective alternator
  4. Wiring harness issues
  5. PCM malfunction

Symptoms of P1244 2000 Ford F150

  1. Dimming or flickering headlights
  2. Battery warning light illuminated on the dashboard
  3. Difficulty starting the vehicle
  4. Electrical system malfunctions (e.g., power windows not working properly)
  5. Engine stalling or running rough

How to Fix P1244 2000 Ford F150

  1. Begin by performing a visual inspection of the alternator load input circuit, checking for any loose or corroded connections. Repair or replace any damaged wiring.
  2. Test the alternator load input sensor using a multimeter to ensure it is functioning correctly. Replace if necessary.
  3. Check the alternator's output voltage to verify it is within the manufacturer's specifications. Replace the alternator if it is not charging properly.
  4. Clear the DTC from the PCM using a scan tool and monitor the vehicle's charging system to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to pinpoint the exact cause of the high alternator load input failure.

Cost to Fix P1244 2000 Ford F150

The cost of repairing a P1244 code on a 2000 Ford F150 can vary depending on the specific cause of the issue. In general, the cost of parts such as an alternator load input sensor or a new alternator can range from $100 to $500. Labor costs at an auto repair shop typically range from $80 to $150 per hour. Overall, the total repair cost for this issue could range from $200 to $800, including parts and labor. It's recommended to consult with a qualified mechanic to get an accurate estimate based on your vehicle's specific needs and location.

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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 2000 Ford F150 Code

1. What are the common symptoms of OBDII code P1244 in a 2000 Ford F150?

The common symptoms of OBDII code P1244 in a 2000 Ford F150 include dimming lights, battery warning light on the dashboard, and issues with electrical components.

2. What does the OBDII code P1244 "Alternator Load Input Failed High" mean for a 2000 Ford F150?

The code P1244 indicates that the alternator load input signal is higher than expected in a 2000 Ford F150, suggesting a potential issue with the alternator or its related components.

3. What are the possible causes of OBDII code P1244 in a 2000 Ford F150?

Possible causes of OBDII code P1244 in a 2000 Ford F150 include a faulty alternator, damaged wiring or connectors in the charging system, or a malfunctioning battery.

4. How can I diagnose the OBDII code P1244 in a 2000 Ford F150?

Diagnosing OBDII code P1244 in a 2000 Ford F150 involves checking the alternator output voltage, inspecting the wiring and connectors for any damage, and testing the battery's condition.

5. Can I still drive my 2000 Ford F150 with OBDII code P1244 active?

It is not recommended to drive your 2000 Ford F150 with OBDII code P1244 active, as it indicates a potential issue with the alternator or charging system that can lead to electrical problems or a dead battery.

6. How do I repair OBDII code P1244 in a 2000 Ford F150?

To repair OBDII code P1244 in a 2000 Ford F150, you may need to replace the alternator, repair any damaged wiring or connectors, and ensure the battery is in good condition.

7. Can a DIY enthusiast fix OBDII code P1244 in a 2000 Ford F150?

While some DIY enthusiasts may be able to diagnose and repair OBDII code P1244 in a 2000 Ford F150, it is recommended to seek professional help, especially when dealing with electrical issues.

8. Will resetting the OBDII code P1244 in a 2000 Ford F150 make it go away permanently?

Resetting the OBDII code P1244 in a 2000 Ford F150 may temporarily clear the code, but it will likely reappear if the underlying issue with the alternator or charging system is not addressed.

9. How much does it cost to repair OBDII code P1244 in a 2000 Ford F150?

The cost to repair OBDII code P1244 in a 2000 Ford F150 can vary depending on the specific cause of the issue, but it may involve replacing the alternator, repairing wiring, or addressing other related components.

10. Is OBDII code P1244 a common issue in 2000 Ford F150 vehicles?

While OBDII code P1244 "Alternator Load Input Failed High" is not as common as some other codes, it can still occur in 2000 Ford F150 vehicles, especially as they age and components wear out.

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