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Engine-Codes – GMC – P0562 2017 GMC Sierra

P0562 2017 GMC Sierra Code - System Voltage Low

Quick Answer

The P0562 code in a 2017 GMC Sierra indicates that there is a low system voltage detected by the vehicle's powertrain control module (PCM). Common causes include Faulty battery or alternator, Loose or corroded battery terminals, Faulty wiring or connections in the charging 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
P0562 2017 GMC Sierra indicates System Voltage Low.
Common causes
Common causes include Faulty battery or alternator, Loose or corroded battery terminals, Faulty wiring or connections in the charging 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 Aug 19, 2024
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Code P0562 2017 GMC Sierra Description

The P0562 code in a 2017 GMC Sierra indicates that there is a low system voltage detected by the vehicle's powertrain control module (PCM). The system voltage refers to the electrical power supplied to various components and systems in the vehicle, including the battery, alternator, and wiring. When the system voltage is low, it can negatively impact the performance of the vehicle and its electronic systems. This issue can potentially lead to difficulties starting the vehicle, dimming of lights, erratic behavior of electronic components, and even stalling of the engine.

OBDII Code P0562 2017 GMC Sierra - System Voltage Low
P0562 2017 GMC Sierra Code - System Voltage Low

Common Causes of P0562 2017 GMC Sierra

  1. Faulty battery or alternator
  2. Loose or corroded battery terminals
  3. Faulty wiring or connections in the charging system
  4. Defective voltage regulator
  5. Parasitic drain on the battery (e.g., due to a malfunctioning component)

Symptoms of P0562 2017 GMC Sierra

  1. Difficulty starting the vehicle
  2. Dimming of headlights and interior lights
  3. Erratic behavior of electronic components (e.g., radio, power windows)
  4. Engine stalling or hesitation
  5. Warning lights (such as the battery or check engine light) illuminated on the dashboard

How to Fix P0562 2017 GMC Sierra

  1. Begin by checking the battery connections and terminals for corrosion or looseness. Clean and tighten as necessary.
  2. Test the battery and alternator using a multimeter to ensure they are functioning properly. Replace any faulty components.
  3. Inspect the wiring and connections in the charging system for damage or poor connections. Repair or replace as needed.
  4. Check for any parasitic drains on the battery by disconnecting components one by one and monitoring the voltage drop. Address any excessive drains.
  5. Reset the PCM and clear the fault code using an OBD-II scanner after completing the repairs.

Cost to Fix P0562 2017 GMC Sierra

The typical repair costs for addressing a P0562 code in a 2017 GMC Sierra can vary widely depending on the specific cause of the issue. In general, you can expect to pay between $100 to $500 for parts and labor. Keep in mind that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for more accurate estimates. Additionally, the cost may increase if any major components like the alternator or battery need replacement.

What does this mean?

Tech Notes for P0562 2017 GMC Sierra

Start by recharging or replacing the battery.

Need more information about the P0562 2017 GMC Sierra code?

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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 P0562 2017 GMC Sierra Code

1. What does OBDII code P0562 on a 2017 GMC Sierra indicate?

- OBDII code P0562 in a 2017 GMC Sierra indicates "System Voltage Low."

2. What are the common symptoms of OBDII code P0562 in a 2017 GMC Sierra?

- Common symptoms of P0562 may include dimming lights, electrical issues, and difficulty starting the vehicle.

3. What are the possible causes of OBDII code P0562 in a 2017 GMC Sierra?

- Possible causes of P0562 include a faulty alternator, battery issues, poor electrical connections, or a malfunctioning voltage regulator.

4. How can I diagnose OBDII code P0562 in my 2017 GMC Sierra?

- To diagnose P0562, you can use a diagnostic scanner to check the voltage readings and test the alternator and battery performance.

5. Can driving with OBDII code P0562 in a 2017 GMC Sierra cause further damage?

- Driving with P0562 can potentially damage the vehicle's electrical components over time if the underlying issue is not addressed promptly.

6. How can I repair OBDII code P0562 in my 2017 GMC Sierra?

- Repairing P0562 may involve checking and repairing the alternator, replacing the battery if necessary, ensuring proper electrical connections, and testing the voltage regulator.

7. Is it safe to continue driving my 2017 GMC Sierra with OBDII code P0562?

- It is not recommended to drive the vehicle with P0562 for an extended period as it can lead to electrical problems and potential breakdowns.

8. How much does it typically cost to fix OBDII code P0562 in a 2017 GMC Sierra?

- The cost of fixing P0562 can vary depending on the specific issue, but it may range from a few hundred to over a thousand dollars for parts and labor.

9. Can I reset OBDII code P0562 in my 2017 GMC Sierra myself?

- You can try resetting the code using an OBDII scanner, but it's important to address the underlying cause to prevent the code from reappearing.

10. Will OBDII code P0562 in my 2017 GMC Sierra affect the vehicle's performance?

- Yes, P0562 can affect the vehicle's performance by causing electrical issues, affecting battery charging, and potentially leading to starting problems.

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