AutoCodes – Generic – P260C

P260C 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 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.

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Code Popularity 3,709

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
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Code P260C 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 - Power Take-Off Relay Control Circuit High Voltage - AutoCodes.com — P260C Code - Power Take-Off Relay Control Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P260C?

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?

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 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 code?

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Information for Specific Makes

P260C Buick — Power Take-Off Relay Control Circuit High Voltage
P260C Cadillac — Power Take-Off Relay Control Circuit High Voltage
P260C Chevrolet — Power Take-Off Relay Control Circuit High Voltage
P260C GMC — Power Take-Off Relay Control Circuit High Voltage

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 Code

1. What does the OBDII code P260C mean?

P260C indicates a high voltage issue in the Power Take-Off (PTO) relay control circuit, which manages auxiliary equipment powered by the engine.

2. What are the common symptoms of code P260C?

Symptoms may include the malfunction of PTO-driven equipment, an illuminated check engine light, and reduced functionality of auxiliary systems.

3. What causes code P260C to trigger?

Possible causes include a faulty PTO relay, damaged wiring or connectors in the control circuit, or a malfunctioning powertrain control module (PCM).

4. How can I diagnose the P260C code?

Start by inspecting the PTO relay, checking for damaged or corroded wiring, and testing voltage levels in the control circuit using a multimeter.

5. Can a faulty PTO relay cause code P260C?

Yes, a faulty PTO relay is one of the most common causes of this code. It may fail to regulate voltage correctly within the circuit.

6. Can I drive my vehicle with code P260C active?

Driving may be possible, but PTO-driven equipment may not function properly. It's best to address the issue promptly to avoid further damage.

7. How do I repair the P260C code?

Repairs may involve replacing the PTO relay, repairing damaged wiring, or, in rare cases, reprogramming or replacing the PCM.

8. Is the P260C code specific to certain vehicles?

While the code can appear in many vehicles, its exact symptoms and repair procedures may vary depending on the make and model.

9. What tools are needed to fix code P260C?

You'll typically need a multimeter to check circuit voltage, an OBDII scanner to clear the code, and basic tools for wiring repairs or relay replacement.

10. How much does it cost to fix a P260C code?

Repair costs can range from $50 for a PTO relay replacement to several hundred dollars if PCM reprogramming or replacement is required.