AutoCodes – GMC – P14CD 2016 GMC Sierra

P14CD 2016 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 1 Message Counter Incorrect

Quick Answer

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module circuit poor electrical connection. 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: P14CD 2016 GMC Sierra indicates Fuel Pump Driver Control Module Configuration Command Signal 1 Message Counter Incorrect.
Common causes: Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module circuit poor electrical connection.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 162

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 Sep 28, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P14CD 2016 GMC Sierra Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Fuel Pump Driver Control Module Configuration Command Signal 1 Message Counter is Incorrect.

OBDII Code P14CD 2016 GMC Sierra - Fuel Pump Driver Control Module Configuration Command Signal 1 Message Counter Incorrect - AutoCodes.com — P14CD 2016 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 1 Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P14CD 2016 GMC Sierra?

Faulty Fuel Pump Driver Control Module
Fuel Pump Driver Control Module harness is open or shorted
Fuel Pump Driver Control Module circuit poor electrical connection

How to Fix the DTC P14CD 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P14CD 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 P14CD 2016 GMC Sierra code?

Need more information on how to fix the P14CD 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P14CD 2016 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 P14CD 2016 GMC Sierra Code

1. What does the OBDII code P14CD mean on a 2016 GMC Sierra?

P14CD indicates an issue with the Fuel Pump Driver Control Module, specifically a mismatch or error in the Configuration Command Signal 1 Message Counter.

2. What are the symptoms of code P14CD in a 2016 GMC Sierra?

Common symptoms include poor engine performance, difficulty starting, potential stalling, and an illuminated check engine light.

3. What causes the P14CD code to appear?

This code is typically caused by a faulty fuel pump driver control module, incorrect module programming, damaged wiring, or communication issues between the module and the engine control unit.

4. Can I drive my 2016 GMC Sierra with the P14CD code?

It is not recommended to drive with this code active, as it can lead to fuel delivery problems and potentially cause engine damage or unsafe driving conditions.

5. How is the P14CD code diagnosed?

A technician will use a scan tool to verify the code, inspect the wiring and connections to the fuel pump driver module, and check for software or programming issues within the module.

6. How do you fix the P14CD code on a 2016 GMC Sierra?

Repairs may involve reprogramming the fuel pump driver control module, repairing or replacing damaged wiring, or replacing the module if it is defective.

7. How much does it cost to repair the P14CD code?

Repair costs vary but typically range from $200 to $800 depending on whether the module requires reprogramming, wiring repairs, or complete replacement.

8. Can a software update fix the P14CD code?

Yes, if the issue is related to outdated or incorrect programming, a software update or reprogramming of the fuel pump driver control module may resolve the issue.

9. What tools are needed to troubleshoot the P14CD code?

Diagnostic tools such as an OBDII scanner, a multimeter for checking electrical circuits, and possibly a manufacturer-specific programming tool are required.

10. Is the P14CD code a common issue in the 2016 GMC Sierra?

While not extremely common, it can occur due to wear and tear, software glitches, or electrical issues in the fuel system components.