AutoCodes – Chevrolet – P16F3 Chevrolet

P16F3 Chevrolet 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 Chevrolet 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 34,998

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 Chevrolet 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 Chevrolet - Control Module Redundant Memory Performance - AutoCodes.com — P16F3 Chevrolet Code - Control Module Redundant Memory Performance

What does this mean?

What are the Possible Causes of the DTC P16F3 Chevrolet?

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 Chevrolet?

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 Chevrolet 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 Chevrolet code?

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

Need Help with the Code?

Get the P16F3 Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

P16F3 2014 Chevrolet Silverado — Control Module Redundant Memory Performance
P16F3 2015 Chevrolet Silverado — Control Module Redundant Memory Performance
P16F3 2016 Chevrolet Silverado — Control Module Redundant Memory Performance
P16F3 2017 Chevrolet Silverado — Control Module Redundant Memory Performance
P16F3 2018 Chevrolet Silverado — Control Module Redundant Memory Performance

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 Chevrolet Code

1. What does the OBDII code P16F3 mean on a Chevrolet?

P16F3 indicates an issue with the Control Module Redundant Memory Performance, meaning the memory function used for backup or redundancy in the control module is not performing as expected.

2. What are the common symptoms of code P16F3 in a Chevrolet?

Symptoms may include the check engine light turning on, reduced engine performance, difficulty starting the vehicle, or other control module-related malfunctions.

3. What causes the P16F3 code to appear in a Chevrolet?

The code can be triggered by corrupted or failed control module memory, software glitches, electrical issues such as poor connections, or a failing control module.

4. Can I drive my Chevrolet with a P16F3 code?

Itâ€™s generally not recommended, as this code could indicate critical issues with the control module that may lead to unreliable vehicle operation or further damage.

5. How is the P16F3 code diagnosed in a Chevrolet?

A technician will use a scan tool to confirm the code, inspect the control module and wiring for damage, and check for software updates or memory corruption.

6. What repairs can fix the P16F3 code on a Chevrolet?

Repairs may include reprogramming or updating the control module software, repairing damaged wiring or connectors, or replacing the control module if itâ€™s faulty.

7. How much does it cost to fix the P16F3 code in a Chevrolet?

Repair costs can vary but typically range from $100-$150 for software updates to $500-$1,200 for control module replacement, depending on labor and parts.

8. Can a weak battery cause the P16F3 code in a Chevrolet?

Yes, a weak or failing battery can cause voltage fluctuations that may impact the control moduleâ€™s memory performance and trigger the P16F3 code.

9. Does the P16F3 code require control module replacement?

Not always. Sometimes a software update or repairing wiring issues can resolve the problem. Replacement is only necessary if the module is confirmed to be defective.

10. How can I prevent the P16F3 code from recurring in my Chevrolet?

Regularly check and maintain your vehicle's electrical system, ensure software updates are installed promptly, and address any wiring or connection issues as soon as they arise.