Engine-CodesGMC – P062F 2016 GMC Sierra

P062F 2016 GMC Sierra Code - Control Module Long Term Memory Performance

Quick Answer

The P062F code for a 2016 GMC Sierra indicates an issue with the control module's long-term memory performance. Common causes include Faulty control module, Wiring or connection issues, Software malfunction. 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
P062F 2016 GMC Sierra indicates Control Module Long Term Memory Performance.
Common causes
Common causes include Faulty control module, Wiring or connection issues, Software malfunction.
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 17, 2024
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Code P062F 2016 GMC Sierra Description

The P062F code for a 2016 GMC Sierra indicates an issue with the control module's long-term memory performance. The control module in a vehicle is responsible for managing various systems and functions, such as engine performance, transmission shifting, and emissions control. The long-term memory within the control module stores important data and settings that are crucial for the proper operation of the vehicle.

OBDII Code P062F 2016 GMC Sierra - Control Module Long Term Memory Performance
P062F 2016 GMC Sierra Code - Control Module Long Term Memory Performance

Common Causes of P062F 2016 GMC Sierra

  1. Faulty control module
  2. Wiring or connection issues
  3. Software malfunction
  4. Power supply problem
  5. Battery voltage irregularities

Symptoms of P062F 2016 GMC Sierra

  1. Check Engine Light illuminated on the dashboard
  2. Reduced fuel efficiency
  3. Rough idling or stalling
  4. Transmission shifting issues
  5. Loss of power or acceleration

How to Fix P062F 2016 GMC Sierra

  1. Perform a thorough diagnostic scan to retrieve the specific trouble codes and pinpoint the cause of the issue.
  2. Inspect the wiring and connections related to the control module for any signs of damage or corrosion.
  3. Check the power supply to the control module to ensure it is functioning correctly.
  4. If the control module is determined to be faulty, it may need to be replaced and reprogrammed.
  5. Clear the trouble codes, reset the control module, and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P062F 2016 GMC Sierra

The typical repair costs for addressing a P062F code in a 2016 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a control module can range from $500 to $1000, including parts and labor. However, additional diagnostic time and labor rates at auto repair shops can influence the overall cost. It is advisable to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model.

Tech Notes for P062F 2016 GMC Sierra

Check the Engine Control Module (ECM) fuse, if the fuse is OK, try erasing the code first and if the code comes back you may have to reprogram or replace the ECM.

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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 P062F 2016 GMC Sierra Code

1. What does the OBDII code P062F mean on a 2016 GMC Sierra?

P062F indicates an issue with the Control Module Long Term Memory Performance, meaning the engine control module (ECM) is having trouble retaining stored data.

2. What are the common symptoms of code P062F in a 2016 GMC Sierra?

Symptoms may include an illuminated check engine light, difficulty starting the engine, erratic transmission behavior, poor fuel economy, or loss of stored settings like learned idle or fuel trim.

3. What causes the P062F code to appear on a 2016 GMC Sierra?

This code is often caused by a failing engine control module (ECM), corrupted software, voltage irregularities, or issues with the vehicle’s electrical system, such as a weak battery or poor ground connections.

4. Can a weak battery cause the P062F code on a 2016 GMC Sierra?

Yes, a weak or failing battery can cause voltage fluctuations that may disrupt the ECM's ability to retain data, leading to the P062F code.

5. How is the P062F code diagnosed on a 2016 GMC Sierra?

Diagnosis typically involves scanning for additional codes, inspecting the battery and electrical system, checking ECM connections, and verifying the integrity of the ECM software.

6. Can the P062F code be cleared without replacing the ECM on a 2016 GMC Sierra?

In some cases, reprogramming or updating the ECM software, repairing wiring issues, or addressing battery problems might resolve the issue without replacing the ECM.

7. How much does it cost to repair a P062F code on a 2016 GMC Sierra?

Repair costs can vary widely. ECM reprogramming or updates may cost $100-$300, while ECM replacement can range from $500 to $1,500 or more, depending on labor and part costs.

8. Is it safe to drive a 2016 GMC Sierra with the P062F code?

While the vehicle may still be drivable, the P062F code can lead to performance issues or unexpected breakdowns. It’s recommended to address the problem promptly.

9. Can a bad ground connection trigger the P062F code on a 2016 GMC Sierra?

Yes, poor ground connections can cause voltage instability, which may prevent the ECM from retaining long-term memory and trigger the P062F code.

10. Do I need specialized tools to fix the P062F code on a 2016 GMC Sierra?

Yes, diagnosing and repairing this code often requires an advanced scan tool capable of reading ECM data, performing reprogramming, and conducting electrical system tests.

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