AutoCodes – GMC – P14CD 2014 GMC Sierra

P14CD 2014 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 2014 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.

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Code Popularity 267

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
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Code P14CD 2014 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 2014 GMC Sierra - Fuel Pump Driver Control Module Configuration Command Signal 1 Message Counter Incorrect - AutoCodes.com — P14CD 2014 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 2014 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 2014 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 2014 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 2014 GMC Sierra code?

Need more information on how to fix the P14CD 2014 GMC Sierra code? Get Access to Factory Service Manuals

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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 P14CD 2014 GMC Sierra Code

1. What does the OBDII code P14CD mean on a 2014 GMC Sierra?

The P14CD code indicates an issue with the Fuel Pump Driver Control Module (FPCM), specifically that the configuration command signal 1 message counter is incorrect.

2. What are the common symptoms of code P14CD on a 2014 GMC Sierra?

Symptoms may include difficulty starting the engine, reduced engine performance, poor fuel efficiency, or a check engine light.

3. What causes the P14CD code to appear on a GMC Sierra?

Common causes include a malfunctioning Fuel Pump Driver Control Module, wiring or connector issues, or a software calibration error in the FPCM.

4. Can a bad fuel pump cause the P14CD code on a 2014 GMC Sierra?

A bad fuel pump itself is unlikely to cause this code, but issues with the fuel pump driver module or related wiring can lead to the P14CD error.

5. How do I diagnose the P14CD code on my 2014 GMC Sierra?

Diagnose the P14CD code by checking the FPCM and related wiring for damage, corrosion, or loose connections. A professional scan tool can also help verify the signal data and communication with the module.

6. Can I drive my 2014 GMC Sierra with the P14CD code?

While the vehicle may still run, driving with this code is not recommended as it can lead to further issues with fuel delivery and engine performance.

7. How is the P14CD code fixed on a 2014 GMC Sierra?

Fixing the P14CD code may involve reprogramming the FPCM, repairing or replacing damaged wiring, or replacing the Fuel Pump Driver Control Module if it is defective.

8. Does the P14CD code require module reprogramming on a GMC Sierra?

In some cases, yes. If the issue is due to a software calibration error, reprogramming the FPCM may resolve the problem.

9. How much does it cost to repair the P14CD code on a 2014 GMC Sierra?

Repair costs vary, but replacing the Fuel Pump Driver Control Module typically ranges from $300 to $700, including parts and labor.

10. Can a faulty ground connection trigger the P14CD code?

Yes, a poor ground connection can disrupt communication with the FPCM and cause the P14CD code to appear. Checking and repairing ground points is a critical step in diagnosing this issue.