Engine-Codes.com
Engine-Codes – GMC – P0560 2015 GMC Sierra

P0560 2015 GMC Sierra Code - System Voltage Malfunction

Quick Answer

The P0560 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a System Voltage Malfunction. Common causes include Faulty alternator not charging the battery properly, Weak or failing battery unable to maintain the correct voltage, Corrosion or loose connections in the electrical system. 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 2015 GMC Sierra indicates System Voltage Malfunction.
Common causes
Common causes include Faulty alternator not charging the battery properly, Weak or failing battery unable to maintain the correct voltage, Corrosion or loose connections in the electrical system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0560 2015 GMC Sierra Description

The P0560 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a System Voltage Malfunction. This code is triggered when the Powertrain Control Module (PCM) detects that the vehicle's system voltage is outside of the normal operating range. System voltage is crucial for the proper functioning of various electrical components in the vehicle, including the ignition system, fuel injectors, sensors, and more. When the system voltage is not within the specified range, it can lead to issues with the vehicle's performance and overall functionality.

OBDII Code P0560 2015 GMC Sierra - System Voltage Malfunction
P0560 2015 GMC Sierra Code - System Voltage Malfunction

Common Causes of P0560 2015 GMC Sierra

  1. Faulty alternator not charging the battery properly.
  2. Weak or failing battery unable to maintain the correct voltage.
  3. Corrosion or loose connections in the electrical system.
  4. Faulty voltage regulator within the alternator.
  5. Short circuits or damaged wiring harnesses.

Symptoms of P0560 2015 GMC Sierra

  1. Dim or flickering lights on the dashboard or exterior of the vehicle.
  2. Difficulty starting the vehicle, especially in cold weather.
  3. Erratic engine performance or stalling.
  4. Malfunctioning electrical components such as power windows or door locks.
  5. Check Engine Light illuminated on the dashboard.

How to Fix P0560 2015 GMC Sierra

  1. Begin by checking the battery voltage with a multimeter to ensure it is within the proper range.
  2. Inspect the alternator for proper charging output and check the voltage regulator for any issues.
  3. Test the electrical connections and wiring for corrosion, damage, or loose connections.
  4. Replace the alternator, battery, voltage regulator, or any damaged wiring as needed.
  5. Clear the DTC with a scan tool and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0560 2015 GMC Sierra

The cost of repairing a System Voltage Malfunction can vary depending on the specific cause of the issue and the parts needed for the repair. On average, the cost of replacing an alternator can range from $300 to $800, while a new battery may cost between $100 and $200. Additionally, labor costs for diagnosis and repair can range from $80 to $150 per hour. It is advisable to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of your vehicle.

Need more information about the P0560 2015 GMC Sierra code?

Need more information on how to fix the P0560 2015 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0560 2015 GMC Sierra 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 2015 GMC Sierra Code

1. What does the OBDII code P0560 mean on a 2015 GMC Sierra?

P0560 indicates a "System Voltage Malfunction," meaning the vehicle's powertrain control module (PCM) has detected an issue with the electrical system's voltage being outside the expected range.

2. What are the common symptoms of code P0560 on a 2015 GMC Sierra?

Symptoms may include the battery light on the dashboard, dim or flickering headlights, difficulty starting the engine, intermittent electrical issues, or the vehicle stalling while driving.

3. What causes the P0560 code to appear on a 2015 GMC Sierra?

Common causes include a failing alternator, a weak or dead battery, loose or corroded battery terminals, damaged wiring, or a faulty PCM.

4. Can a bad alternator trigger the P0560 code on my GMC Sierra?

Yes, a malfunctioning alternator that fails to maintain the correct voltage can trigger the P0560 code.

5. How do I diagnose the P0560 code on a 2015 GMC Sierra?

Start by checking the battery voltage with a multimeter (should be around 12.6V when off and 13.7–14.7V when running). Inspect the battery terminals, alternator, and wiring for damage or corrosion. If no issues are found, test the PCM and related circuits.

6. Can I drive my 2015 GMC Sierra with the P0560 code?

It's not recommended to drive with this code, as voltage issues can lead to erratic performance, stalling, or further damage to the electrical system.

7. What repairs can fix the P0560 code on a 2015 GMC Sierra?

Repairs may include replacing a faulty alternator, installing a new battery, cleaning or tightening battery terminals, repairing damaged wiring, or replacing the PCM if necessary.

8. How much does it cost to fix the P0560 code on a 2015 GMC Sierra?

Costs vary depending on the root cause. Replacing an alternator typically costs $300–$800, while a new battery might cost $100–$300. PCM replacement, if needed, can cost $500–$1,200.

9. Does resetting the P0560 code fix the problem on a GMC Sierra?

Resetting the code without addressing the underlying issue will not fix the problem. The code is likely to return until the voltage malfunction is resolved.

10. Can a poor ground connection cause the P0560 code on a 2015 GMC Sierra?

Yes, a poor ground connection can disrupt the electrical system's voltage, triggering the P0560 code. Ensure all grounding points are clean and secure.

Discuss the causes and fixes for P0560 2015 GMC Sierra OBDII Code

Submit a New Comment

Code P0560 2015 GMC Sierra comments

No comments found for this page.