AutoCodes – Chevrolet – P0560 2018 Chevrolet Silverado

P0560 2018 Chevrolet Silverado Code - System Voltage Malfunction

Quick Answer

The Powertrain Control Module (PCM) continuously monitors the system voltage. 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: P0560 2018 Chevrolet Silverado indicates System Voltage Malfunction.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 273

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 04, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0560 2018 Chevrolet Silverado Description

The Powertrain Control Module (PCM) continuously monitors the system voltage. The system voltage information is taken from the PCM's ignition feed circuits. Voltages below 8.0 volts or above 17.1 volts cause improper system operation and/or component damage. If the system voltage is low the PCM raises the idle speed in order to increase the generator output. The PCM disables most outputs to protect the hardware if the system voltage is high. A scan tool may not display data if system voltage is outside this range.

OBDII Code P0560 2018 Chevrolet Silverado - System Voltage Malfunction - AutoCodes.com — P0560 2018 Chevrolet Silverado Code - System Voltage Malfunction

What does this mean?

What are the Possible Causes of the DTC P0560 2018 Chevrolet Silverado?

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

How to Fix the DTC P0560 2018 Chevrolet Silverado?

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 P0560 2018 Chevrolet Silverado 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 P0560 2018 Chevrolet Silverado code?

Need more information on how to fix the P0560 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0560 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 P0560 2018 Chevrolet Silverado Code

1. What does OBDII code P0560 mean on a 2018 Chevrolet Silverado?

P0560 indicates a System Voltage Malfunction, meaning the powertrain control module (PCM) has detected an abnormal voltage level in the electrical system.

2. What are the common symptoms of code P0560 in a 2018 Silverado?

Symptoms may include dim or flickering lights, difficulty starting the engine, warning lights on the dashboard (such as the battery light), and poor vehicle performance.

3. What causes the P0560 code in a 2018 Chevrolet Silverado?

Common causes include a failing alternator, a weak or faulty battery, damaged wiring or connectors, loose battery cables, or a malfunctioning PCM.

4. Can a bad alternator trigger code P0560?

Yes, a failing alternator that cannot maintain proper voltage levels can trigger the P0560 code.

5. Will driving with a P0560 code damage my Silverado?

Driving with a P0560 code can lead to further electrical issues, potential stalling, or damage to sensitive electronic components if the voltage problem isnâ€™t addressed.

6. How do I diagnose the P0560 code on my Silverado?

Start by checking the battery voltage, inspecting the alternator, and examining wiring and connectors for damage or corrosion. Use a multimeter to confirm proper voltage levels.

7. How can I fix the P0560 code on a 2018 Chevrolet Silverado?

Repairs may involve replacing a failing alternator or battery, fixing damaged wiring, cleaning or tightening battery connections, or updating/replacing the PCM if needed.

8. What voltage range should the battery have to avoid the P0560 code?

The battery should typically read between 12.4 and 12.6 volts with the engine off and between 13.7 and 14.7 volts with the engine running.

9. Can a loose battery terminal cause the P0560 code?

Yes, loose or corroded battery terminals can disrupt the electrical system and cause the PCM to register a System Voltage Malfunction.

10. Is it expensive to fix the P0560 code on a 2018 Chevrolet Silverado?

Repair costs vary depending on the cause. Replacing a battery or fixing wiring is relatively inexpensive, while alternator or PCM replacement may be more costly.