AutoCodesChevrolet – P14D4 2015 Chevrolet Silverado

P14D4 2015 Chevrolet Silverado Code - Fuel Pump Driver Control Module Configuration Command Signal 2 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
P14D4 2015 Chevrolet Silverado indicates Fuel Pump Driver Control Module Configuration Command Signal 2 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 269
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 28, 2022
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Code P14D4 2015 Chevrolet Silverado 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 2 Message Counter is Incorrect.
OBDII Code P14D4 2015 Chevrolet Silverado - Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter Incorrect - AutoCodes.com
P14D4 2015 Chevrolet Silverado Code - Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter Incorrect

What are the Possible Causes of the DTC P14D4 2015 Chevrolet Silverado?

  • 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 P14D4 2015 Chevrolet Silverado?

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 P14D4 2015 Chevrolet Silverado 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 P14D4 2015 Chevrolet Silverado code?

Need more information on how to fix the P14D4 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P14D4 2015 Chevrolet Silverado 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 P14D4 2015 Chevrolet Silverado Code

1. What does the OBDII code P14D4 mean on a 2015 Chevrolet Silverado?

The P14D4 code indicates an issue where the Fuel Pump Driver Control Module (FPCM) detects that the Configuration Command Signal 2 Message Counter is incorrect, typically due to communication or configuration errors.

2. What are the common symptoms of the P14D4 code in a 2015 Chevy Silverado?

Symptoms may include engine hesitation, reduced fuel efficiency, difficulty starting, or the Check Engine Light being illuminated.

3. What causes the P14D4 code to appear on a Chevrolet Silverado?

The code is often caused by faulty wiring, a malfunctioning Fuel Pump Driver Control Module, software issues, or improper module programming.

4. Can a faulty fuel pump trigger the P14D4 code?

While a faulty fuel pump is not a direct cause, issues with the Fuel Pump Driver Control Module or its communication with the fuel pump system can lead to this code.

5. How can I diagnose the P14D4 code on my 2015 Chevy Silverado?

Diagnose the issue by checking for damaged wiring, inspecting the Fuel Pump Driver Control Module for faults, and using a scan tool to verify module communication and programming.

6. Can the P14D4 code cause my Silverado to stall or not start?

Yes, if the Fuel Pump Driver Control Module is not functioning properly, it can disrupt fuel delivery, potentially leading to stalling or a no-start condition.

7. Is reprogramming the Fuel Pump Driver Control Module necessary to fix the P14D4 code?

Reprogramming the module may be necessary if the issue is related to incorrect or corrupted programming data.

8. What tools are required to troubleshoot the P14D4 code?

You’ll need an OBDII scan tool, a multimeter to check wiring, and potentially a GM-specific diagnostic tool for module programming or reconfiguration.

9. Can I continue driving with the P14D4 code active?

Driving with this code is not recommended, as it can lead to fuel delivery issues that may cause reduced performance or leave you stranded.

10. How much does it cost to repair the P14D4 code on a 2015 Chevrolet Silverado?

Repair costs can range from $150 to $600 depending on whether you need to repair wiring, replace the Fuel Pump Driver Control Module, or reprogram the module.

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