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Engine-Codes – Ford – P1244 2002 Ford F150

P1244 2002 Ford F150 Code - Alternator Load Input Failed High

Quick Answer

The P1244 diagnostic trouble code (DTC) for a 2002 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 2002 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 17, 2024
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Code P1244 2002 Ford F150 Description

The P1244 diagnostic trouble code (DTC) for a 2002 Ford F150 indicates that the alternator load input has failed high. This means that the powertrain control module (PCM) has detected a higher than normal voltage signal from the alternator load input circuit. The alternator load input is a crucial component of the vehicle's charging system, responsible for monitoring the electrical load on the alternator to ensure proper charging of the battery and electrical system.

OBDII Code P1244 2002 Ford F150 - Alternator Load Input Failed High
P1244 2002 Ford F150 Code - Alternator Load Input Failed High

Common Causes of P1244 2002 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 issues in the alternator load input circuit
  5. PCM malfunction

Symptoms of P1244 2002 Ford F150

  1. Dimming headlights or interior lights
  2. Battery warning light illuminated on the dashboard
  3. Erratic electrical behavior, such as flickering lights
  4. Engine stalling or difficulty starting the vehicle

How to Fix P1244 2002 Ford F150

  1. Begin by conducting a thorough inspection of the alternator load input circuit, checking for loose or corroded connections. Clean and tighten any connections as needed.
  2. Test the alternator load input sensor using a multimeter to determine if it is functioning correctly. Replace the sensor if it is faulty.
  3. Inspect the alternator for any signs of damage or malfunction. Replace the alternator if necessary.
  4. Check the wiring in the alternator load input circuit for any signs of damage or wear. Repair or replace any damaged wiring.
  5. Clear the DTC with a scan tool after completing the repairs and test the vehicle to ensure that the issue has been resolved.

Cost to Fix P1244 2002 Ford F150

The cost of repairing a P1244 code on a 2002 Ford F150 can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair can range from $100 to $500, with labor costs adding an additional $100 to $300. Overall, the total cost of repairing this issue can range from $200 to $800. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle specifics.

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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 2002 Ford F150 Code

1. What are the common symptoms of OBDII code P1244 in a 2002 Ford F150?

The common symptoms of OBDII code P1244 in a 2002 Ford F150 include dimming or flickering lights, a dead battery, and issues with the electrical system.

2. What does the OBDII code P1244 "Alternator Load Input Failed High" mean in a 2002 Ford F150?

The OBDII code P1244 in a 2002 Ford F150 indicates that there is an issue with the alternator load input signal being higher than expected, suggesting a problem with the alternator or related components.

3. What are the possible causes of OBDII code P1244 in a 2002 Ford F150?

Possible causes of OBDII code P1244 in a 2002 Ford F150 include a faulty alternator, damaged wiring or connectors in the alternator circuit, or a malfunctioning alternator load sensor.

4. How can I diagnose the OBDII code P1244 in a 2002 Ford F150?

To diagnose OBDII code P1244 in a 2002 Ford F150, you can use a scan tool to check for the code, inspect the alternator and its connections for any visible damage, and test the alternator load sensor for proper functioning.

5. Can driving with OBDII code P1244 in a 2002 Ford F150 cause further damage?

Continuing to drive with OBDII code P1244 in a 2002 Ford F150 can potentially cause damage to the electrical system, drain the battery, or lead to a complete alternator failure, resulting in a breakdown.

6. How do I repair OBDII code P1244 in a 2002 Ford F150?

To repair OBDII code P1244 in a 2002 Ford F150, you may need to replace the alternator, repair or replace damaged wiring or connectors, or recalibrate the alternator load sensor as necessary.

7. Is it safe to continue driving my 2002 Ford F150 with OBDII code P1244?

It is not recommended to continue driving your 2002 Ford F150 with OBDII code P1244, as it can lead to further electrical issues, potential battery failure, and ultimately a breakdown.

8. How much does it typically cost to fix OBDII code P1244 in a 2002 Ford F150?

The cost to fix OBDII code P1244 in a 2002 Ford F150 can vary depending on the specific issue, but it may range from $200 to $800, including parts and labor.

9. Can I reset OBDII code P1244 in a 2002 Ford F150 by disconnecting the battery?

While disconnecting the battery may temporarily clear the code, it is not a recommended method to fix OBDII code P1244 in a 2002 Ford F150. It is important to diagnose and address the underlying issue causing the code.

10. How often does OBDII code P1244 occur in a 2002 Ford F150?

OBDII code P1244 "Alternator Load Input Failed High" in a 2002 Ford F150 is a relatively uncommon code, but it can occur due to alternator or electrical system issues.

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