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P0563 Ford 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 Ford 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 27,997
How popular is this code, among other codes? Low
What is this?
Table of contents Created and updated by William Orellana on Jul 12, 2020
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Code P0563 Ford 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 Ford - System Voltage High - AutoCodes.com
P0563 Ford Code - System Voltage High
What does this mean?

What are the Possible Causes of the DTC P0563 Ford?

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

How to Fix the DTC P0563 Ford?

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 Ford 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 P0563 Ford code?

Need more information on how to fix the P0563 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Ford Models

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 Ford Code

No Frequently Asked Questions about P0563 Ford Code found.

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