P0563 Hyundai Code - System Voltage High
Quick Answer
The Powertrain Control Module (PCM) measures the voltage from ignition key and from main relay respectively and compares two voltages. 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 Hyundai 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.
Code P0563 Hyundai Description
What are the Possible Causes of the DTC P0563 Hyundai?
- Battery defective
- Loose or missing alternator drive belt
- Faulty alternator
- Open or short system voltage circuit
How to Fix the DTC P0563 Hyundai?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0563 Hyundai 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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Frequently Asked Questions about P0563 Hyundai Code
1. What does the OBDII code P0563 mean on a Hyundai?
P0563 indicates that the vehicle's system voltage is higher than acceptable levels, which could damage electrical components.
2. What are the common symptoms of code P0563 on a Hyundai?
Symptoms may include erratic electrical behavior, flickering lights, battery warning light activation, or difficulty starting the vehicle.
3. What causes code P0563 System Voltage High in a Hyundai?
Common causes include a faulty alternator voltage regulator, loose or corroded battery connections, or a malfunctioning battery.
4. Can code P0563 damage my Hyundai's electrical system?
Yes, prolonged high system voltage may lead to damage in sensitive electronic components and wiring.
5. How do I diagnose code P0563 on my Hyundai?
Start by checking the battery voltage with a multimeter, inspect battery terminals and alternator wiring, and test the alternator's voltage output.
6. How can I fix code P0563 in a Hyundai?
Repairs may involve replacing the alternator or voltage regulator, cleaning battery terminals, or securing any loose electrical connections.
7. Is it safe to drive with code P0563 on a Hyundai?
Driving with high system voltage is not recommended as it may cause further damage to the vehicle's electrical components.
8. Will replacing the battery fix code P0563 on a Hyundai?
A new battery might resolve the issue if the problem is related to battery failure, but it's important to test the alternator and voltage regulator first.
9. How much does it cost to repair code P0563 on a Hyundai?
Costs vary depending on the issue. Replacing an alternator can range from $300 to $800, while fixing connections may be less expensive.
10. Can code P0563 be caused by aftermarket electrical accessories?
Yes, improperly installed aftermarket accessories can lead to voltage irregularities and trigger this code.
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