Engine-CodesGMC – P260B 2016 GMC Sierra

P260B 2016 GMC Sierra Code - Power Take-Off Relay Control Circuit Low Voltage

Quick Answer

The P260B diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Power Take-Off (PTO) relay control circuit experiencing low voltage. Common causes include Faulty PTO relay, Wiring issues such as a short circuit or open circuit in the control circuit, Corrosion or poor connections in the electrical connections related to the PTO relay. 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
P260B 2016 GMC Sierra indicates Power Take-Off Relay Control Circuit Low Voltage.
Common causes
Common causes include Faulty PTO relay, Wiring issues such as a short circuit or open circuit in the control circuit, Corrosion or poor connections in the electrical connections related to the PTO relay.
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.
Table of contents Created and updated by William Orellana on Sep 15, 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 P260B 2016 GMC Sierra Description

The P260B diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Power Take-Off (PTO) relay control circuit experiencing low voltage. The PTO relay is responsible for controlling the engagement and disengagement of the PTO system, which is commonly used in commercial vehicles and trucks to power auxiliary equipment such as hydraulic pumps, generators, or winches.

OBDII Code P260B 2016 GMC Sierra - Power Take-Off Relay Control Circuit Low Voltage
P260B 2016 GMC Sierra Code - Power Take-Off Relay Control Circuit Low Voltage

Common Causes of P260B 2016 GMC Sierra

  1. Faulty PTO relay.
  2. Wiring issues such as a short circuit or open circuit in the control circuit.
  3. Corrosion or poor connections in the electrical connections related to the PTO relay.
  4. Low battery voltage affecting the PTO relay control circuit.
  5. Issues with the vehicle's electrical system or battery.

Symptoms of P260B 2016 GMC Sierra

  1. Inability to engage or disengage the PTO system.
  2. Loss of power to auxiliary equipment powered by the PTO system.
  3. Illumination of the Check Engine Light on the dashboard.
  4. Erratic behavior or intermittent operation of the PTO system.

How to Fix P260B 2016 GMC Sierra

  1. Begin by conducting a thorough visual inspection of the PTO relay and its wiring harness to check for any visible damage, corrosion, or loose connections.
  2. Use a multimeter to test the voltage in the PTO relay control circuit to determine if it is within the specified range.
  3. Test the PTO relay itself to ensure it is functioning correctly. If the relay is faulty, replace it with a new one.
  4. Check the battery voltage and charging system to ensure they are providing sufficient power to the PTO relay control circuit.
  5. Clear the DTC with a scan tool after completing the repairs and test the PTO system to confirm proper operation.

Cost to Fix P260B 2016 GMC Sierra

The typical repair costs for addressing a P260B DTC related to the Power Take-Off Relay Control Circuit Low Voltage can vary depending on the specific cause of the issue. In general, the cost of parts such as a new PTO relay and any necessary wiring repairs can range from $100 to $300. Labor costs at auto repair shops typically range from $80 to $150 per hour, and the total repair time may vary based on the complexity of the diagnosis and repair process. It is advisable to consult with a professional mechanic or dealership for a more accurate estimate based on the specific circumstances of the vehicle.

Need more information about the P260B 2016 GMC Sierra code?

Need more information on how to fix the P260B 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P260B 2016 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 P260B 2016 GMC Sierra Code

1. What does the OBDII code P260B mean on a 2016 GMC Sierra?

The code P260B indicates a low voltage issue in the Power Take-Off (PTO) Relay Control Circuit, which impacts the operation of auxiliary equipment driven by the PTO system.

2. What are common symptoms of the P260B code on a 2016 GMC Sierra?

Symptoms may include a non-functional PTO system, illuminated check engine light, reduced auxiliary equipment performance, or difficulty engaging the PTO.

3. What causes the P260B code to appear on a 2016 GMC Sierra?

Common causes include a faulty PTO relay, damaged or corroded wiring, a bad connection in the relay circuit, or a failing control module.

4. How can I diagnose the P260B code on my 2016 GMC Sierra?

Start by inspecting the PTO relay and its wiring for damage or corrosion, check for loose connections, and use a multimeter to test for proper voltage in the relay circuit.

5. Can a bad PTO relay trigger the P260B code on a 2016 GMC Sierra?

Yes, a faulty PTO relay is one of the most common causes of the P260B code.

6. Is it safe to drive my 2016 GMC Sierra with the P260B code active?

While the truck may still operate, the PTO system may not function properly, which could affect auxiliary equipment use. It’s best to address the issue promptly to avoid further damage.

7. How do I fix the P260B code on a 2016 GMC Sierra?

Repairs may include replacing the PTO relay, repairing or replacing damaged wiring, cleaning corroded connections, or reprogramming the control module if necessary.

8. How much does it cost to repair the P260B code on a 2016 GMC Sierra?

Repair costs vary depending on the cause, but replacing a PTO relay typically costs $50-$150, while wiring repairs or control module issues may cost more.

9. Can low battery voltage cause the P260B code on a 2016 GMC Sierra?

Yes, insufficient battery voltage can lead to a low voltage condition in the PTO relay circuit, potentially triggering the P260B code.

10. Do I need special tools to diagnose the P260B code on a 2016 GMC Sierra?

Basic tools like a multimeter and an OBDII scanner can help diagnose the issue. In some cases, more advanced tools may be required to test the control module or reprogram it.

Discuss the causes and fixes for P260B 2016 GMC Sierra OBDII Code

Code P260B 2016 GMC Sierra comments

No comments found for this page.