Engine-CodesBuick – P14D4 Buick

P14D4 Buick Code - Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter Incorrect

Quick Answer

The P14D4 Buick code indicates that there is an issue with the Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter being incorrect. Common causes include Faulty Fuel Pump Driver Control Module, Wiring or connection issues, Corrosion or damage to electrical components. 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
P14D4 Buick indicates Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter Incorrect.
Common causes
Common causes include Faulty Fuel Pump Driver Control Module, Wiring or connection issues, Corrosion or damage to electrical components.
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 13, 2024
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Code P14D4 Buick Description

The P14D4 Buick code indicates that there is an issue with the Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter being incorrect. This module is responsible for controlling the fuel pump operation in the vehicle. When this signal is incorrect, it can lead to various performance issues and potentially cause the vehicle to stall or not start at all.

OBDII Code P14D4 Buick - Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter Incorrect
P14D4 Buick Code - Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter Incorrect

Common Causes of P14D4 Buick

  1. Faulty Fuel Pump Driver Control Module
  2. Wiring or connection issues
  3. Corrosion or damage to electrical components
  4. Software or programming errors
  5. Environmental factors such as moisture or heat affecting the module

Symptoms of P14D4 Buick

  1. Engine stalling or hesitation
  2. Difficulty starting the vehicle
  3. Reduced fuel efficiency
  4. Check Engine Light illuminated
  5. Rough idling or misfiring

How to Fix P14D4 Buick

  1. Diagnose the issue using a diagnostic scanner to confirm the P14D4 code and identify the specific cause.
  2. Inspect the wiring and connections to the Fuel Pump Driver Control Module for any damage or corrosion.
  3. Test the Fuel Pump Driver Control Module for proper functionality and replace if necessary.
  4. Clear the code from the vehicle's computer system after making repairs.
  5. Perform a test drive to ensure the issue has been resolved and that the vehicle is operating correctly.

Cost to Fix P14D4 Buick

The typical repair costs for addressing a P14D4 Buick code can vary depending on the specific cause of the issue. In general, replacing a faulty Fuel Pump Driver Control Module can range from $200 to $500, including parts and labor. Additional costs may be incurred if wiring or connections need to be repaired or replaced. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle.

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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 P14D4 Buick Code

1. What are the common symptoms of OBDII code P14D4 in a Buick related to the Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter Incorrect?

- Common symptoms may include engine stalling, difficulty starting the vehicle, decreased fuel efficiency, and the illumination of the check engine light.

2. What are the possible causes of the P14D4 code in a Buick?

- The code may be triggered by issues with the fuel pump driver control module, faulty wiring or connections, a malfunctioning fuel pump, or a software glitch in the control module.

3. How can I diagnose the P14D4 code in my Buick?

- Diagnosing the code typically involves using an OBDII scanner to retrieve the specific error code, checking the fuel pump driver control module for any visible damage, and inspecting the wiring and connections for any issues.

4. What is the recommended repair for the P14D4 code in a Buick?

- The recommended repair may involve replacing the fuel pump driver control module, repairing any damaged wiring or connections, or updating the control module software to correct the configuration command signal 2 message counter.

5. Can I drive my Buick with the P14D4 code present?

- It is not recommended to drive your vehicle with the P14D4 code present, as it can lead to potential fuel delivery issues and engine performance problems.

6. How much does it typically cost to repair the P14D4 code in a Buick?

- The cost of repairing the P14D4 code can vary depending on the specific cause of the issue, but it may range from $200 to $800, including parts and labor.

7. Are there any preventative maintenance tips to avoid the P14D4 code in a Buick?

- To prevent the P14D4 code, it is advisable to perform regular maintenance on your vehicle, such as checking the fuel pump and control module for any signs of wear or damage.

8. Can a DIY enthusiast fix the P14D4 code issue in a Buick?

- Depending on the root cause of the issue, some DIY enthusiasts may be able to address the P14D4 code by following repair guides or tutorials. However, complex issues may require professional assistance.

9. How long does it take to repair the P14D4 code in a Buick?

- The repair time for the P14D4 code can vary based on the specific cause of the issue and the complexity of the repair, but it may typically take a few hours to a full day to complete.

10. Is the P14D4 code common in Buick vehicles?

- The P14D4 code related to the Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter Incorrect is not as common as some other OBDII codes, but it can still occur in Buick vehicles under certain circumstances.

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