AutoCodes – Ford – P1246 2007 Ford Fusion

P1246 2007 Ford Fusion Code - Alternator Load Input Failed

Quick Answer

The Powertrain Control Module (PCM) monitors generator load from the generator/regulator in the form of frequency. Common causes include Faulty Alternator/Generator, Alternator/Generator harness is open or shorted, Alternator/Generator circuit poor electrical connection. 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: P1246 2007 Ford Fusion indicates Alternator Load Input Failed.
Common causes: Common causes include Faulty Alternator/Generator, Alternator/Generator harness is open or shorted, Alternator/Generator circuit poor electrical connection.
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.

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Code Popularity 2,014

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 22, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1246 2007 Ford Fusion Description

The Powertrain Control Module (PCM) monitors generator load from the generator/regulator in the form of frequency. The frequency range is determined by the temperature of the voltage regulator where 97% represents full load, below 6% means no load.

OBDII Code P1246 2007 Ford Fusion - Alternator Load Input Failed - AutoCodes.com — P1246 2007 Ford Fusion Code - Alternator Load Input Failed

What does this mean?

What are the Possible Causes of the DTC P1246 2007 Ford Fusion?

Faulty Alternator/Generator
Alternator/Generator harness is open or shorted
Alternator/Generator circuit poor electrical connection
Damaged Powertrain Control Module (PCM)

How to Fix the DTC P1246 2007 Ford Fusion?

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 P1246 2007 Ford Fusion 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 P1246 2007 Ford Fusion code?

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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 P1246 2007 Ford Fusion Code

1. What are the common symptoms of OBDII code P1246 in a 2007 Ford Fusion?

- Common symptoms of code P1246 include dimming or flickering headlights, a dead battery, and problems with the vehicle's electrical system.

2. What does the OBDII code P1246 in a 2007 Ford Fusion mean?

- The code P1246 indicates that there is a failure in the alternator load input circuit of the vehicle.

3. What are the possible causes of the alternator load input failure in a 2007 Ford Fusion?

- Possible causes of the alternator load input failure include a faulty alternator, damaged wiring or connectors, or a problem with the voltage regulator.

4. How can I diagnose the alternator load input failure in my 2007 Ford Fusion?

- To diagnose the issue, you can use a multimeter to check the voltage output of the alternator, inspect the wiring and connectors for any damage, and test the voltage regulator.

5. Can I still drive my 2007 Ford Fusion with OBDII code P1246?

- It is not recommended to drive the vehicle with code P1246 as it can lead to further damage to the electrical system and potentially leave you stranded due to a dead battery.

6. How can I repair the alternator load input failure in my 2007 Ford Fusion?

- Repairing the alternator load input failure may involve replacing the alternator, repairing any damaged wiring or connectors, or replacing the voltage regulator.

7. Will resetting the OBDII code P1246 in my 2007 Ford Fusion make the problem go away?

- Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying issue causing the alternator load input failure.

8. What are the long-term effects of ignoring OBDII code P1246 in a 2007 Ford Fusion?

- Ignoring code P1246 can lead to a drained battery, electrical system malfunctions, and potential damage to other components in the vehicle.

9. How much does it cost to repair the alternator load input failure in a 2007 Ford Fusion?

- The cost of repairing the alternator load input failure can vary depending on the extent of the damage and the specific parts that need to be replaced, but it typically ranges from $200 to $600.

10. Can a DIY enthusiast fix the alternator load input failure in a 2007 Ford Fusion?

- While some DIY enthusiasts may be able to diagnose and repair the issue themselves, it is recommended to seek professional help for electrical system repairs to ensure proper diagnosis and safe repairs.