AutoCodes – GMC – P16F3 2017 GMC Sierra

P16F3 2017 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 2017 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 326

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 2017 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 2017 GMC Sierra - Control Module Redundant Memory Performance - AutoCodes.com — P16F3 2017 GMC Sierra Code - Control Module Redundant Memory Performance

What does this mean?

What are the Possible Causes of the DTC P16F3 2017 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 2017 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 2017 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 2017 GMC Sierra code?

Need more information on how to fix the P16F3 2017 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P16F3 2017 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 2017 GMC Sierra Code

1. What does the OBDII code P16F3 mean on a 2017 GMC Sierra?

P16F3 indicates an issue with the Control Module Redundant Memory Performance, meaning the vehicleâ€™s control module has detected a problem with its backup memory system.

2. What are the common symptoms of the P16F3 code in a 2017 GMC Sierra?

Symptoms may include the check engine light turning on, difficulty starting the vehicle, erratic engine performance, or no noticeable symptoms in some cases.

3. What causes the P16F3 code to appear on a GMC Sierra?

Common causes include faulty or corrupted control module memory, software issues, electrical problems such as poor connections, or a failing control module.

4. Can I still drive my 2017 GMC Sierra with a P16F3 code?

While the vehicle may still be drivable, itâ€™s best to have it inspected promptly to prevent potential long-term damage or performance issues.

5. How is the P16F3 code diagnosed?

A mechanic will use a scan tool to confirm the code, inspect the control module and wiring for issues, and ensure the latest software updates are installed.

6. What repairs are commonly needed for a P16F3 code?

Repairs may range from reprogramming or updating the control module software to repairing wiring issues or, in some cases, replacing the control module.

7. How much does it cost to fix a P16F3 code on a 2017 GMC Sierra?

Costs can vary widely, from $100-$200 for software updates to over $1,000 if the control module needs replacement.

8. Can a P16F3 code be cleared without repair?

The code can be cleared temporarily with a scan tool, but if the underlying issue isnâ€™t resolved, it will likely return.

9. Does the P16F3 code indicate a safety issue?

While not typically a direct safety concern, a malfunctioning control module could lead to drivability problems that may indirectly affect safety.

10. Can I fix the P16F3 code on my own?

If youâ€™re experienced with vehicle diagnostics, you might be able to check for loose connections or update the software. However, control module repairs often require professional tools and expertise.