AutoCodes – GMC – P16F3 2018 GMC Sierra

P16F3 2018 GMC Sierra Code - Control Module Redundant 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: P16F3 2018 GMC Sierra indicates Control Module Redundant 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 257

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 P16F3 2018 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 P16F3 2018 GMC Sierra - Control Module Redundant Memory Performance - AutoCodes.com — P16F3 2018 GMC Sierra Code - Control Module Redundant Memory Performance

What does this mean?

What are the Possible Causes of the DTC P16F3 2018 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 P16F3 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 does this mean?

Code Tech Notes

If no problems are found during the inspection, reprogram the Powertrain Control Module (PCM) with the latest software program.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P16F3 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 P16F3 2018 GMC Sierra code?

Need more information on how to fix the P16F3 2018 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P16F3 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 P16F3 2018 GMC Sierra Code

1. What are the common symptoms of an OBDII code P16F3 in a 2018 GMC Sierra?

- Common symptoms include check engine light illumination, reduced engine performance, and potential drivability issues.

2. What can cause the OBDII code P16F3 to appear in a 2018 GMC Sierra?

- The P16F3 code typically indicates an issue with the Control Module Redundant Memory Performance, which may be caused by a faulty control module or electrical connection.

3. How serious is the OBDII code P16F3 in a 2018 GMC Sierra?

- While the P16F3 code may not cause immediate drivability issues, it is important to address it promptly to prevent potential long-term damage to the vehicle's control module.

4. How can I diagnose the OBDII code P16F3 in my 2018 GMC Sierra?

- Diagnosing the P16F3 code usually involves using an OBDII scanner to retrieve the code, checking for any other related codes, and inspecting the control module and its connections.

5. What are some repair tips for fixing the OBDII code P16F3 in a 2018 GMC Sierra?

- Repair tips may include checking and cleaning the connections to the control module, inspecting for any signs of corrosion or damage, and potentially replacing the control module if necessary.

6. Can I drive my 2018 GMC Sierra with an active P16F3 trouble code?

- It is generally not recommended to drive the vehicle with an active P16F3 trouble code, as it can lead to potential performance issues and further damage if left unresolved.

7. How much does it cost to repair the OBDII code P16F3 in a 2018 GMC Sierra?

- The cost of repairing the P16F3 code can vary depending on the specific cause of the issue, but it may involve replacing the control module or repairing electrical connections, which can range from moderate to expensive.

8. Is it possible to reset the OBDII code P16F3 in a 2018 GMC Sierra without repairs?

- While clearing the code with an OBDII scanner may temporarily turn off the check engine light, the underlying issue causing the P16F3 code will likely need to be addressed to prevent it from reoccurring.

9. Are there any recalls or technical service bulletins related to the OBDII code P16F3 in a 2018 GMC Sierra?

- It is recommended to check with a GMC dealership or online resources for any relevant recalls or technical service bulletins related to the P16F3 code in your specific vehicle.

10. Can a DIY enthusiast without much experience fix the OBDII code P16F3 in a 2018 GMC Sierra?

- Depending on the root cause of the P16F3 code, some DIY enthusiasts may be able to address the issue by following repair guides and utilizing basic tools, but more complex repairs may require professional assistance.