AutoCodes – GMC – P260C 2018 GMC Sierra

P260C 2018 GMC Sierra Code - Power Take-Off Relay Control Circuit High Voltage

Quick Answer

The Power Take-Off (PTO) is an upfitter integrated system that allows the user to create an auxiliary power source. Common causes include Faulty Power Take-Off (PTO) Control Module, Power Take-Off Control Module harness is open or shorted, Power Take-Off Control Module 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: P260C 2018 GMC Sierra indicates Power Take-Off Relay Control Circuit High Voltage.
Common causes: Common causes include Faulty Power Take-Off (PTO) Control Module, Power Take-Off Control Module harness is open or shorted, Power Take-Off Control Module 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 241

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 21, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P260C 2018 GMC Sierra Description

The Power Take-Off (PTO) is an upfitter integrated system that allows the user to create an auxiliary power source. The PTO system specifically controls engine speed to values higher than normal base idle, PTO load relay engagement, and remote starting and shutdown of the engine. When the operator requests PTO using either the PTO switch or PTO remote, the engine RPM will increase to a default standby speed. The Engine Control Module (ECM) converts the data from the engine speed sensor to a 2 pulses/engine revolution signal. When PTO is engaged, the power take-off control module sends a serial data message to the ECM requesting engine speeds, in response to signals from the PTO switch or remote. The Diagnostic Trouble Code (DTC) will be set when the power take-off control module detects a fault on the PTO relay coil control circuit that is above or below a predetermined voltage threshold.

OBDII Code P260C 2018 GMC Sierra - Power Take-Off Relay Control Circuit High Voltage - AutoCodes.com — P260C 2018 GMC Sierra Code - Power Take-Off Relay Control Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P260C 2018 GMC Sierra?

Faulty Power Take-Off (PTO) Control Module
Power Take-Off Control Module harness is open or shorted
Power Take-Off Control Module circuit poor electrical connection

How to Fix the DTC P260C 2018 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 P260C 2018 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 P260C 2018 GMC Sierra code?

Need more information on how to fix the P260C 2018 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P260C 2018 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 P260C 2018 GMC Sierra Code

1. What are common symptoms of OBDII code P260C in a 2018 GMC Sierra?

The common symptoms of OBDII code P260C in a 2018 GMC Sierra may include illuminated Check Engine Light, loss of power take-off functionality, and potential transmission issues.

2. What does the OBDII code P260C in a 2018 GMC Sierra indicate?

The OBDII code P260C in a 2018 GMC Sierra indicates a high voltage condition in the power take-off relay control circuit.

3. What are possible causes of OBDII code P260C in a 2018 GMC Sierra?

Possible causes of OBDII code P260C in a 2018 GMC Sierra include a faulty power take-off relay, damaged wiring or connectors in the relay control circuit, or a malfunctioning power take-off module.

4. How can I diagnose OBDII code P260C in a 2018 GMC Sierra?

Diagnosing OBDII code P260C in a 2018 GMC Sierra involves using a diagnostic scanner to retrieve the trouble code, inspecting the power take-off relay and related components for damage, and testing the circuit for proper voltage levels.

5. Can I continue driving my 2018 GMC Sierra with OBDII code P260C?

It is not recommended to continue driving your 2018 GMC Sierra with OBDII code P260C, as it can lead to further damage to the power take-off system and potentially affect the vehicle's drivability.

6. How can I repair OBDII code P260C in a 2018 GMC Sierra?

Repairing OBDII code P260C in a 2018 GMC Sierra involves replacing the faulty power take-off relay, repairing any damaged wiring or connectors, and clearing the trouble code from the vehicle's computer.

7. Is it safe to reset the trouble code for OBDII code P260C in a 2018 GMC Sierra?

Yes, it is safe to reset the trouble code for OBDII code P260C in a 2018 GMC Sierra after performing the necessary repairs to see if the issue has been resolved.

8. Can a DIY enthusiast fix OBDII code P260C in a 2018 GMC Sierra?

A DIY enthusiast with the necessary tools and knowledge of automotive electrical systems may be able to fix OBDII code P260C in a 2018 GMC Sierra, but it is recommended to consult a professional mechanic for accurate diagnosis and repair.

9. How much does it cost to repair OBDII code P260C in a 2018 GMC Sierra at a mechanic?

The cost to repair OBDII code P260C in a 2018 GMC Sierra at a mechanic can vary depending on the exact cause of the issue, but it may range from $150 to $400, including parts and labor.

10. How often does OBDII code P260C occur in a 2018 GMC Sierra?

OBDII code P260C in a 2018 GMC Sierra is relatively rare but can occur due to various factors such as component failure, wiring issues, or environmental conditions. Regular maintenance and inspections can help prevent such issues.