AutoCodes – GMC – P062F 2016 GMC Sierra

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

Quick Answer

This diagnostic applies to internal microprocessor integrity conditions within the Engine Control Module (ECM). Common causes include Low battery voltage, Reprogram Engine Control Module (ECM), Faulty Engine Control Module. 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 Low battery voltage, Reprogram Engine Control Module (ECM), Faulty Engine Control Module.
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 240

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 Mar 29, 2024

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P062F 2016 GMC Sierra Description

This diagnostic applies to internal microprocessor integrity conditions within the Engine Control Module (ECM). This diagnostic also addresses if the ECM is not programmed. The ECM monitors its ability to read and write to the memory. It also monitors a timing function. No external circuits are involved. The Diagnostic Trouble Code (DTC) will be set when the ECM detects an internal failure or incomplete programming for more than 10 s.

OBDII Code P062F 2016 GMC Sierra - Control Module Long Term Memory Performance - AutoCodes.com — P062F 2016 GMC Sierra Code - Control Module Long Term Memory Performance

What does this mean?

What are the Possible Causes of the DTC P062F 2016 GMC Sierra?

Low battery voltage
Reprogram Engine Control Module (ECM)
Faulty Engine Control Module
Engine Control Module harness is open or shorted
Engine Control Module circuit poor electrical connection

How to Fix the DTC P062F 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 does this mean?

Code Tech Notes

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P062F 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 P062F 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 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.