AutoCodes – Chevrolet – P14D4 2018 Chevrolet Silverado

P14D4 2018 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 2018 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 231

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 P14D4 2018 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 2018 Chevrolet Silverado - Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter Incorrect - AutoCodes.com — P14D4 2018 Chevrolet Silverado Code - Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P14D4 2018 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 2018 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 2018 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 2018 Chevrolet Silverado code?

Need more information on how to fix the P14D4 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P14D4 2018 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 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P14D4 in a 2018 Chevrolet Silverado?

The common symptoms include issues with the fuel pump operation, engine stalling, rough idling, and difficulty starting the vehicle.

2. What does the OBDII code P14D4 on a 2018 Chevrolet Silverado indicate?

The code P14D4 indicates a Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter Incorrect error.

3. What are the possible causes of OBDII code P14D4 in a 2018 Chevrolet Silverado?

Possible causes include a faulty fuel pump driver control module, wiring issues, a malfunctioning fuel pump, or a software glitch.

4. How can I diagnose the OBDII code P14D4 in my 2018 Chevrolet Silverado?

Diagnosis typically involves using a diagnostic scanner to retrieve the trouble codes, checking the fuel pump driver control module, inspecting the wiring for any damage, and testing the fuel pump operation.

5. Can I continue to drive my 2018 Chevrolet Silverado with the OBDII code P14D4 present?

It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage and potential safety hazards.

6. How can I repair OBDII code P14D4 in my 2018 Chevrolet Silverado?

Repair options include replacing the fuel pump driver control module if faulty, repairing any damaged wiring, ensuring proper fuel pump operation, and performing any necessary software updates.

7. Is it safe to reset the OBDII code P14D4 in my 2018 Chevrolet Silverado using a diagnostic scanner?

While you can reset the code using a scanner, it is important to address the underlying issue causing the code to prevent it from recurring.

8. How much does it typically cost to repair OBDII code P14D4 in a 2018 Chevrolet Silverado?

The cost of repair can vary depending on the exact cause of the issue, but it may involve parts and labor costs for replacing the fuel pump driver control module or repairing the wiring.

9. Can a DIY enthusiast fix OBDII code P14D4 in a 2018 Chevrolet Silverado?

While some DIY enthusiasts may be able to address the issue, diagnosing and repairing this code often requires specialized tools and knowledge, so it is recommended to consult a professional mechanic.

10. Are there any recalls or technical service bulletins related to OBDII code P14D4 in 2018 Chevrolet Silverado models?

It's recommended to check with a Chevrolet dealership or visit the NHTSA website to see if there are any relevant recalls or technical service bulletins related to this specific OBDII code in the 2018 Silverado.