Engine-CodesGMC – P14CD 2017 GMC Sierra

P14CD 2017 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 1 Message Counter Incorrect

Quick Answer

The P14CD diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates that there is an issue with the Fuel Pump Driver Control Module Configuration Command Signal 1 Message Counter being incorrect. Common causes include Faulty Fuel Pump Driver Control Module, Wiring issues or loose connections, Software glitches or communication errors. 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 2017 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, Wiring issues or loose connections, Software glitches or communication errors.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P14CD 2017 GMC Sierra Description

The P14CD diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates that there is an issue with the Fuel Pump Driver Control Module Configuration Command Signal 1 Message Counter being incorrect. This module is responsible for controlling the fuel pump operation in the vehicle. When this signal counter is incorrect, it can lead to various performance issues and potentially cause the vehicle to stall or not start at all.

OBDII Code P14CD 2017 GMC Sierra - Fuel Pump Driver Control Module Configuration Command Signal 1 Message Counter Incorrect
P14CD 2017 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 1 Message Counter Incorrect

Common Causes of P14CD 2017 GMC Sierra

  1. Faulty Fuel Pump Driver Control Module.
  2. Wiring issues or loose connections.
  3. Software glitches or communication errors.
  4. Vehicle computer system malfunctions.
  5. Environmental factors such as extreme temperatures or moisture.

Symptoms of P14CD 2017 GMC Sierra

  1. Engine stalling or hesitation during acceleration.
  2. Difficulty starting the vehicle.
  3. Reduced fuel efficiency.
  4. Illumination of the check engine light.
  5. Rough idling or engine misfires.

How to Fix P14CD 2017 GMC Sierra

  1. Diagnose the issue using a diagnostic scanner to confirm the P14CD code.
  2. Inspect the wiring and connections related to the Fuel Pump Driver Control Module.
  3. Test the module for functionality and replace if necessary.
  4. Clear the DTC and reset the vehicle's computer system.
  5. Perform a test drive to ensure the issue has been resolved.

Cost to Fix P14CD 2017 GMC Sierra

The typical repair costs for addressing a P14CD code on a 2017 GMC Sierra can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate.

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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 2017 GMC Sierra Code

1. What does the OBDII code P14CD mean on a 2017 GMC Sierra?

P14CD 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 2017 GMC Sierra?

Symptoms may include an illuminated check engine light, difficulty starting the engine, reduced engine performance, or stalling while driving.

3. What causes the P14CD code on a 2017 GMC Sierra?

Common causes include a faulty Fuel Pump Driver Control Module, wiring or connector issues, software glitches, or communication errors between the FPCM and the ECM.

4. Can I continue driving my 2017 GMC Sierra with the P14CD code?

It’s not recommended to drive with this code active, as it could lead to poor engine performance or potential stalling, which may be unsafe.

5. How do you diagnose the P14CD code on a 2017 GMC Sierra?

A mechanic will typically use a scan tool to check for related codes, inspect the FPCM and wiring for damage, and test the communication signals between the FPCM and ECM.

6. How is the P14CD code fixed on a 2017 GMC Sierra?

Repairs may involve reprogramming or replacing the FPCM, repairing damaged wiring or connectors, or updating the vehicle’s software.

7. Is the P14CD code a common problem for the 2017 GMC Sierra?

While not extremely common, it can occur, especially in vehicles with higher mileage or if there’s been damage to the fuel system wiring or components.

8. Does the P14CD code affect fuel efficiency on a 2017 GMC Sierra?

Yes, this code can lead to poor fuel delivery, which may reduce fuel efficiency and cause the engine to run inefficiently.

9. Do I need to replace the Fuel Pump Driver Control Module to fix code P14CD?

Not always. Sometimes, the issue can be resolved by repairing wiring or reprogramming the module, but replacement may be necessary if the module is defective.

10. How much does it cost to fix the P14CD code on a 2017 GMC Sierra?

Repair costs can range from $150 to $600, depending on whether the issue is with the wiring, reprogramming, or replacing the Fuel Pump Driver Control Module.

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