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P0568 2018 GMC Sierra Code - Cruise Control Set Switch Circuit

Quick Answer

The OBD-II code P0568 in a 2018 GMC Sierra specifically refers to a fault in the cruise control set switch circuit. Common causes include Damaged wiring or connectors in the cruise control circuit, Faulty cruise control set switch, Loose or corroded electrical connections. 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
P0568 2018 GMC Sierra indicates Cruise Control Set Switch Circuit.
Common causes
Common causes include Damaged wiring or connectors in the cruise control circuit, Faulty cruise control set switch, Loose or corroded electrical connections.
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 12, 2024
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Code P0568 2018 GMC Sierra Description

The OBD-II code P0568 in a 2018 GMC Sierra specifically refers to a fault in the cruise control set switch circuit. The cruise control system allows the driver to set a desired speed for the vehicle to maintain automatically, providing convenience and comfort during long drives. When this code is triggered, it indicates that there is a malfunction in the circuit responsible for activating and deactivating the cruise control system.

OBDII Code P0568 2018 GMC Sierra - Cruise Control Set Switch Circuit
P0568 2018 GMC Sierra Code - Cruise Control Set Switch Circuit

Common Causes of P0568 2018 GMC Sierra

  1. Damaged wiring or connectors in the cruise control circuit
  2. Faulty cruise control set switch
  3. Loose or corroded electrical connections
  4. Defective cruise control module
  5. Water damage or exposure to moisture affecting the circuit

Symptoms of P0568 2018 GMC Sierra

  1. Inability to engage or disengage cruise control
  2. Non-responsive cruise control set switch
  3. Malfunction indicator light (MIL) illuminated on the dashboard
  4. Erratic behavior of the cruise control system
  5. Decreased fuel efficiency due to inability to maintain a constant speed

How to Fix P0568 2018 GMC Sierra

  1. Begin by conducting a thorough inspection of the cruise control set switch circuit, checking for any visible damage to wiring, connectors, or switches.
  2. Use a multimeter to test the continuity of the circuit components and identify any faulty or open circuits.
  3. Replace any damaged wiring, connectors, or switches as needed, ensuring proper connections and secure mounting.
  4. Clear the diagnostic trouble codes from the vehicle's onboard computer using an OBD-II scanner and test the cruise control system to verify functionality.
  5. If the issue persists, consider consulting a professional mechanic or dealership for further diagnosis and potential replacement of the cruise control module.

Cost to Fix P0568 2018 GMC Sierra

The typical repair costs for resolving the P0568 code in a 2018 GMC Sierra can range from $100 to $300, depending on the extent of the issue and the specific components that require replacement. This estimate includes parts and labor, but actual costs may vary based on the location of the repair, the hourly labor rates of the service provider, and any additional diagnostic fees. It is recommended to obtain quotes from multiple auto repair shops to compare prices and ensure a fair and accurate assessment of the repair expenses.

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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 P0568 2018 GMC Sierra Code

1. What are the common symptoms of OBDII code P0568 in a 2018 GMC Sierra related to the Cruise Control Set Switch Circuit?

The common symptoms include the cruise control system not working, the cruise control light staying on, and the check engine light being illuminated.

2. What are the possible causes of OBDII code P0568 in a 2018 GMC Sierra?

Possible causes of code P0568 include a faulty cruise control set switch, damaged wiring or connectors in the cruise control system, or a malfunctioning cruise control module.

3. How can I diagnose OBDII code P0568 in my 2018 GMC Sierra?

Diagnosing code P0568 involves using an OBDII scanner to retrieve the specific fault code, inspecting the cruise control set switch and related wiring for damage, and testing the cruise control module for proper functioning.

4. Can I still drive my 2018 GMC Sierra with OBDII code P0568 present?

It is generally safe to drive your vehicle with code P0568 present, but keep in mind that the cruise control system will not function. It is recommended to have the issue diagnosed and repaired at your earliest convenience.

5. Is it possible to repair OBDII code P0568 in a 2018 GMC Sierra myself?

While some DIY enthusiasts may be able to troubleshoot and repair code P0568 themselves by inspecting the cruise control system components and replacing any faulty parts, it is recommended to seek professional help for accurate diagnosis and repair.

6. How much does it typically cost to repair OBDII code P0568 in a 2018 GMC Sierra?

The cost of repairing code P0568 can vary depending on the exact cause of the issue. It may range from a few hundred dollars for simple repairs like replacing a switch or connector, to potentially more if the cruise control module needs to be replaced.

7. Can a faulty cruise control set switch be repaired, or does it need to be replaced?

In most cases, a faulty cruise control set switch will need to be replaced rather than repaired. It is important to use a genuine OEM replacement part to ensure proper function of the cruise control system.

8. How long does it typically take to repair OBDII code P0568 in a 2018 GMC Sierra?

The repair time for code P0568 can vary depending on the exact cause of the issue and the availability of parts. In general, it may take a few hours to a day for a qualified mechanic to diagnose and repair the problem.

9. Can OBDII code P0568 in a 2018 GMC Sierra cause any other issues with the vehicle?

While code P0568 specifically relates to the cruise control set switch circuit, it is always recommended to address any underlying issues promptly to prevent potential complications with other vehicle systems in the long run.

10. How can I prevent OBDII code P0568 from occurring in my 2018 GMC Sierra in the future?

To prevent code P0568 from occurring again, it is important to perform regular maintenance on your vehicle, including checking the cruise control system components for any signs of wear or damage, and addressing any issues promptly.

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