AutoCodes – GMC – P14D6 2014 GMC Sierra

P14D6 2014 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 5 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: P14D6 2014 GMC Sierra indicates Fuel Pump Driver Control Module Configuration Command Signal 5 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 196

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 P14D6 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 5 Message Counter is Incorrect.

OBDII Code P14D6 2014 GMC Sierra - Fuel Pump Driver Control Module Configuration Command Signal 5 Message Counter Incorrect - AutoCodes.com — P14D6 2014 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 5 Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P14D6 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 P14D6 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 P14D6 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 P14D6 2014 GMC Sierra code?

Need more information on how to fix the P14D6 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 P14D6 2014 GMC Sierra Code

1. What does the OBDII code P14D6 mean on a 2014 GMC Sierra?

The P14D6 code indicates an issue with the Fuel Pump Driver Control Module (FPCM) where the Configuration Command Signal 5 message counter is incorrect.

2. What are the common symptoms of the P14D6 code?

Symptoms may include the check engine light turning on, difficulties starting the engine, reduced engine performance, or stalling.

3. What causes the P14D6 code to appear on a 2014 GMC Sierra?

This code can be caused by a faulty Fuel Pump Driver Control Module, wiring issues, poor electrical connections, or a software-related communication error between the module and the ECM.

4. Can I drive my 2014 GMC Sierra with the P14D6 code?

While it may still be drivable, driving with this code is not recommended as it can cause fuel delivery issues, leading to engine performance problems or potential engine damage.

5. How do I diagnose the P14D6 code on my GMC Sierra?

Diagnosis involves scanning for codes, inspecting the Fuel Pump Driver Control Module and its wiring for damage or corrosion, and checking for software updates that may resolve communication issues.

6. Is the Fuel Pump Driver Control Module the only part that can cause the P14D6 code?

No, the issue could also stem from faulty wiring, loose electrical connectors, or even a problem with the Engine Control Module (ECM).

7. How is the P14D6 code repaired?

Repairs may include replacing the Fuel Pump Driver Control Module, repairing or replacing damaged wiring or connectors, or updating the module's software.

8. How much does it cost to fix the P14D6 code on a 2014 GMC Sierra?

Costs vary depending on the exact issue, but replacing the Fuel Pump Driver Control Module can range from $200 to $600, plus labor.

9. Can the P14D6 code be cleared without fixing the problem?

Clearing the code without addressing the root cause may temporarily turn off the check engine light, but the code will likely return once the issue persists.

10. Are there any recalls related to the P14D6 code for the 2014 GMC Sierra?

There are no specific recalls for this code, but itâ€™s a good idea to check with your dealer for any software updates or service bulletins related to the Fuel Pump Driver Control Module.