AutoCodes – GMC – P0581 2015 GMC Sierra

P0581 2015 GMC Sierra Code - Cruise Control Multifunction Switch Circuit Low Voltage

Quick Answer

The Cruise Control Switch is an input to the Body Control Module (BCM). Common causes include Faulty Cruise Control Switch, Cruise Control Switch harness is open or shorted, Cruise Control Switch circuit poor electrical connection. 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
P0581 2015 GMC Sierra indicates Cruise Control Multifunction Switch Circuit Low Voltage.
Common causes
Common causes include Faulty Cruise Control Switch, Cruise Control Switch harness is open or shorted, Cruise Control Switch circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 285
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 25, 2024
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Code P0581 2015 GMC Sierra Description

The Cruise Control Switch is an input to the Body Control Module (BCM). The BCM monitors the cruise control on/off, set/coast, resume/accelerate and cancel switches via the cruise control switch signal circuit in order to detect when the driver has requested to perform a cruise control function. The BCM detects a specific voltage signal on the cruise control switch signal circuit when a switch is applied. The Engine Control Module (ECM) receives the requested cruise control switch function from the BCM via a serial data message. The Diagnostic Trouble Code (DTC) will be set when the ECM detects an invalid voltage signal on the cruise control switch signal circuit.
OBDII Code P0581 2015 GMC Sierra - Cruise Control Multifunction Switch Circuit Low Voltage - AutoCodes.com
P0581 2015 GMC Sierra Code - Cruise Control Multifunction Switch Circuit Low Voltage

What are the Possible Causes of the DTC P0581 2015 GMC Sierra?

  • Faulty Cruise Control Switch
  • Cruise Control Switch harness is open or shorted
  • Cruise Control Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC P0581 2015 GMC Sierra?

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 P0581 2015 GMC Sierra 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 P0581 2015 GMC Sierra code?

Need more information on how to fix the P0581 2015 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0581 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 P0581 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code P0581 in a 2015 GMC Sierra related to the Cruise Control Multifunction Switch Circuit Low Voltage?

The common symptoms include inoperative cruise control, illuminated check engine light, and potential loss of other multifunction switch functions.

2. What are the possible causes of OBDII code P0581 in a 2015 GMC Sierra?

The code P0581 can be triggered by a faulty multifunction switch, damaged wiring or connectors, or a malfunctioning cruise control module.

3. How can I diagnose the Cruise Control Multifunction Switch Circuit Low Voltage issue in my 2015 GMC Sierra?

You can diagnose the issue by checking the wiring and connectors for any visible damage, testing the switch for continuity, and using a diagnostic scan tool to confirm the code.

4. Can a DIY enthusiast repair the Cruise Control Multifunction Switch Circuit Low Voltage problem in a 2015 GMC Sierra?

While some basic troubleshooting can be done by DIY enthusiasts, it is recommended to have a professional technician diagnose and repair the issue to ensure proper resolution.

5. Is it safe to continue driving my 2015 GMC Sierra with OBDII code P0581 related to the Cruise Control Multifunction Switch Circuit Low Voltage?

It is generally safe to drive the vehicle with this code, but it is advisable to address the issue promptly to avoid potential loss of cruise control functionality and ensure proper vehicle operation.

6. How much does it cost to repair OBDII code P0581 in a 2015 GMC Sierra at a dealership or repair shop?

The cost of repairing code P0581 can vary depending on the exact cause of the issue, but it typically ranges from $100 to $300 for parts and labor.

7. Can a faulty Cruise Control Multifunction Switch Circuit Low Voltage affect other systems in my 2015 GMC Sierra?

Yes, a faulty multifunction switch can potentially affect other systems that share the same circuit, leading to additional issues with turn signals, wipers, or other functions controlled by the switch.

8. Will resetting the OBDII code P0581 in my 2015 GMC Sierra make the issue go away temporarily?

Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying problem causing the Cruise Control Multifunction Switch Circuit Low Voltage issue.

9. How long does it typically take to repair the Cruise Control Multifunction Switch Circuit Low Voltage problem in a 2015 GMC Sierra?

The repair time can vary depending on the exact cause of the issue and the technician's experience, but it generally takes 1-2 hours to diagnose and repair the problem.

10. Can extreme weather conditions or rough terrain cause OBDII code P0581 to trigger in a 2015 GMC Sierra?

Extreme weather conditions or rough terrain can potentially damage the wiring or switch components, leading to the Cruise Control Multifunction Switch Circuit Low Voltage issue in the vehicle.

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