AutoCodes – Ford – P0563 2009 Ford Fusion

P0563 2009 Ford Fusion Code - System Voltage High

Quick Answer

With the engine running, the charging system warning indicator is off. Common causes include Battery defective, Loose or missing alternator drive belt, Faulty 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: P0563 2009 Ford Fusion indicates System Voltage High.
Common causes: Common causes include Battery defective, Loose or missing alternator drive belt, Faulty 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.

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Code Popularity 1,885

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 Jul 12, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0563 2009 Ford Fusion Description

With the engine running, the charging system warning indicator is off. The sense circuit to the generator field coil is 13-15 volts. This voltage feedback is used by the regulator to maintain the battery voltage at the desired set point. The Stator circuit (internal to the generator) is used to monitor generator operation. This circuit and other regulator internal conditions are checked by the regulator to allow the Powertrain Control Module (PCM) to turn off the charging system warning indicator by sending a message over the controller area network (CAN) bus to the instrument cluster (IC). The positive battery output (B+) circuit is the generator output voltage supplied to the battery and electrical system.
The System voltage is monitored by the PCM. This Diagnostic Trouble Code (DTC) is set when the Powertrain Control Module detects high system voltage.

OBDII Code P0563 2009 Ford Fusion - System Voltage High - AutoCodes.com — P0563 2009 Ford Fusion Code - System Voltage High

What does this mean?

What are the Possible Causes of the DTC P0563 2009 Ford Fusion?

Battery defective
Loose or missing alternator drive belt
Faulty alternator
Open or short system voltage circuit

How to Fix the DTC P0563 2009 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

A higher than expected system voltage problem is more than likely caused by a bad voltage regulator. The voltage regulator is part of the alternator.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0563 2009 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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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 P0563 2009 Ford Fusion Code

1. What does the OBDII code P0563 mean on a 2009 Ford Fusion?

P0563 indicates "System Voltage High," meaning the vehicle's electrical system voltage is exceeding the normal range, typically above 15.5 volts.

2. What are the symptoms of P0563 in a 2009 Ford Fusion?

Symptoms may include warning lights on the dashboard, erratic electrical behavior, dimming or flickering lights, battery overheating, and potential drivability issues.

3. What causes the P0563 code in a 2009 Ford Fusion?

Common causes include a faulty voltage regulator, a malfunctioning alternator, damaged wiring, corroded battery terminals, or a bad battery.

4. Can driving with a P0563 code damage my 2009 Ford Fusion?

Yes, excessive voltage can damage sensitive electronic components, such as the ECU, sensors, or other electrical systems, if not addressed promptly.

5. How do I diagnose the P0563 code on my 2009 Ford Fusion?

Start by checking the battery and alternator output voltage with a multimeter. Inspect wiring, connections, and the voltage regulator for damage or corrosion.

6. How do I fix a P0563 code on a 2009 Ford Fusion?

Repairs may include replacing a faulty alternator, fixing damaged wiring, cleaning corroded battery terminals, or replacing a defective voltage regulator.

7. Can a bad alternator cause the P0563 code on a 2009 Ford Fusion?

Yes, a failing alternator with a malfunctioning voltage regulator can overcharge the system, triggering the P0563 code.

8. What voltage should I expect from the alternator in a 2009 Ford Fusion?

The alternator should typically produce a voltage between 13.5 and 14.5 volts under normal operating conditions.

9. How much does it cost to repair a P0563 code on a 2009 Ford Fusion?

Repair costs can vary; replacing an alternator may cost $300â€“$700, while fixing wiring or connections may be significantly less.

10. Can a weak battery trigger the P0563 code on a 2009 Ford Fusion?

While a weak battery is less likely to cause high voltage, it can lead to alternator strain and other electrical issues that may indirectly contribute to the code.