AutoCodes – GMC – P061C 2016 GMC Sierra

P061C 2016 GMC Sierra Code - Control Module Engine Speed System Circuitry Performance

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 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
P061C 2016 GMC Sierra indicates Control Module Engine Speed System Circuitry Performance.
Common causes
Common causes include Faulty Power Take-Off 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 169
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 15, 2022
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Code P061C 2016 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 accordance to signals from the PTO switch or remote.
OBDII Code P061C 2016 GMC Sierra - Control Module Engine Speed System Circuitry Performance - AutoCodes.com
P061C 2016 GMC Sierra Code - Control Module Engine Speed System Circuitry Performance

What are the Possible Causes of the DTC P061C 2016 GMC Sierra?

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

How to Fix the DTC P061C 2016 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 P061C 2016 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 P061C 2016 GMC Sierra code?

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Need Help with the Code?

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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 P061C 2016 GMC Sierra Code

What does the OBDII code P061C mean for a 2016 GMC Sierra?

P061C indicates a performance issue in the Control Module Engine Speed System Circuitry, typically related to a mismatch in engine speed signals from the Powertrain Control Module (PCM).

What are the common symptoms of code P061C in a 2016 GMC Sierra?

Symptoms may include poor engine performance, hesitation during acceleration, reduced fuel efficiency, and the Check Engine Light illuminating.

What causes code P061C on a 2016 GMC Sierra?

Common causes include wiring issues, faulty sensors, software glitches in the PCM, or internal faults within the PCM itself.

Can driving with code P061C damage my 2016 GMC Sierra?

While the vehicle may still be drivable, prolonged operation with this code can lead to worsening performance issues or potential damage to other components over time.

How do I diagnose code P061C on a 2016 GMC Sierra?

Diagnosis involves checking for wiring or connection issues, inspecting related sensors, and using an advanced scan tool to monitor PCM signals and engine speed data.

Can a software update fix code P061C on a 2016 GMC Sierra?

In some cases, a PCM software update from the dealership may resolve the issue, especially if the problem is related to outdated or corrupted programming.

What sensors might be involved in triggering code P061C on a 2016 GMC Sierra?

Sensors such as the crankshaft position sensor or camshaft position sensor could be involved, as they provide engine speed data to the PCM.

How much does it typically cost to repair code P061C on a 2016 GMC Sierra?

Repair costs can vary widely depending on whether the issue is a simple wiring repair, sensor replacement, or PCM replacement, ranging from $100 to over $1,000.

Can I clear code P061C on a 2016 GMC Sierra without fixing the issue?

Clearing the code without addressing the underlying problem may result in the code returning and continued performance issues.

What tools are needed to troubleshoot code P061C on a 2016 GMC Sierra?

A professional OBDII scanner, multimeter, and wiring diagrams are essential for diagnosing and resolving this code effectively.

Discuss the causes and fixes for P061C 2016 GMC Sierra OBDII Code

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