AutoCodes – Ford – P0622 2011 Ford Fusion

P0622 2011 Ford Fusion Code - Generator Field Terminal Circuit

Quick Answer

The Engine Control Module (ECM) uses the generator turn on signal circuit to control the generator. Common causes include Battery charge, Faulty Generator, Generator 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: P0622 2011 Ford Fusion indicates Generator Field Terminal Circuit.
Common causes: Common causes include Battery charge, Faulty Generator, Generator 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.

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Code Popularity 2,028

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 01, 2019

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0622 2011 Ford Fusion Description

The Engine Control Module (ECM) uses the generator turn on signal circuit to control the generator. A high side driver within the ECM allows the ECM to turn the generator ON and OFF. When Generator operation is desired, the ECM sends a 5 volt signal to the voltage regulator via the generator turn on signal circuit. This causes the voltage regulator to begin controlling the generator field circuit. Once the Generator is enabled by the ECM, the voltage regulator controls generator output independently of the ECM. Under certain operating conditions, the ECM can turn Off the generator by turning Off the 5 volt signal on the generator turn on signal circuit.

OBDII Code P0622 2011 Ford Fusion - Generator Field Terminal Circuit - AutoCodes.com — P0622 2011 Ford Fusion Code - Generator Field Terminal Circuit

What does this mean?

What are the Possible Causes of the DTC P0622 2011 Ford Fusion?

Battery charge
Faulty Generator
Generator harness is open or shorted
Generator circuit poor electrical connection
Engine Control Module (ECM) controlled generator
Faulty ECM

How to Fix the DTC P0622 2011 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 does this mean?

Code Tech Notes

If the battery is OK then the alternator is more than likely the problem.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0622 2011 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.

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Need Help with the 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 P0622 2011 Ford Fusion Code

1. What does the OBDII code P0622 mean on a 2011 Ford Fusion?

The code P0622 on a 2011 Ford Fusion indicates a fault in the Generator Field Terminal Circuit.

2. What are the common symptoms of a P0622 code in a 2011 Ford Fusion?

Common symptoms of the P0622 code may include issues with charging system operation, dim or flickering lights, battery draining quickly, and potential stalling or rough idling.

3. What are the possible causes of the P0622 code in a 2011 Ford Fusion?

Possible causes of the P0622 code include a faulty generator, damaged wiring in the generator field terminal circuit, a defective voltage regulator, or a problem with the PCM (Powertrain Control Module).

4. How can I diagnose the P0622 code on my 2011 Ford Fusion?

Diagnosing the P0622 code typically involves inspecting the generator field terminal circuit for any visible damage, checking the generator and voltage regulator for proper operation, and using a multimeter to test for continuity and voltage at various points.

5. Can I still drive my 2011 Ford Fusion with a P0622 code?

It is not recommended to drive your vehicle with a P0622 code, as it may lead to battery drainage, stalling, or other electrical issues that can affect the safe operation of the vehicle.

6. How can I repair the P0622 code on my 2011 Ford Fusion?

Repairing the P0622 code may involve replacing a faulty generator, repairing damaged wiring in the circuit, replacing the voltage regulator, or addressing any issues with the PCM as needed.

7. Is it safe to reset the P0622 code on my 2011 Ford Fusion with a diagnostic tool?

Resetting the P0622 code with a diagnostic tool may temporarily clear the code, but it is essential to diagnose and repair the underlying issue to prevent the code from reoccurring and causing further problems.

8. How much does it typically cost to repair a P0622 code on a 2011 Ford Fusion?

The cost of repairing a P0622 code can vary depending on the specific cause of the issue, the labor rates in your area, and whether any parts need to be replaced. It is recommended to get a professional diagnosis for an accurate estimate.

9. Can a DIY enthusiast fix the P0622 code on a 2011 Ford Fusion?

While some experienced DIY enthusiasts may be able to diagnose and repair the P0622 code, it is a complex electrical issue that may require specialized tools and knowledge. It is recommended to consult a professional mechanic for proper diagnosis and repair.

10. How can I prevent the P0622 code from appearing on my 2011 Ford Fusion in the future?

To prevent the P0622 code from appearing, it is essential to perform regular maintenance on your vehicle, including checking the charging system, inspecting the wiring for any damage, and addressing any electrical issues promptly to avoid potential faults.