P14D4 2014 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter Incorrect
Quick Answer
The diagnostic trouble code P14D4 for a 2014 GMC Sierra indicates a problem 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 issues or poor connections, Malfunctioning fuel pump. 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 2014 GMC Sierra 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 issues or poor connections, Malfunctioning fuel pump.
- 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 P14D4 2014 GMC Sierra Description
The diagnostic trouble code P14D4 for a 2014 GMC Sierra indicates a problem with the Fuel Pump Driver Control Module Configuration Command Signal 2 Message Counter being incorrect. The Fuel Pump Driver Control Module is a crucial component of the vehicle's fuel system, responsible for controlling the fuel pump's operation. The message counter being incorrect suggests a communication issue between the control module and other systems in the vehicle.
Common Causes of P14D4 2014 GMC Sierra
- Faulty Fuel Pump Driver Control Module.
- Wiring issues or poor connections.
- Malfunctioning fuel pump.
- Electrical system problems.
- Software or programming errors.
Symptoms of P14D4 2014 GMC Sierra
- Engine misfires or hesitation during acceleration.
- Difficulty starting the vehicle.
- Reduced fuel efficiency.
- Illumination of the check engine light.
- Stalling or rough idling.
How to Fix P14D4 2014 GMC Sierra
- Begin by conducting a thorough diagnostic scan to confirm the P14D4 code and identify any other related issues.
- Inspect the wiring and connections related to the Fuel Pump Driver Control Module for any signs of damage or corrosion.
- Test the fuel pump driver control module and fuel pump for proper functionality.
- If necessary, replace the faulty components and reprogram the control module as needed.
- Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P14D4 2014 GMC Sierra
The typical repair costs for addressing a P14D4 code on a 2014 GMC Sierra 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, while labor costs can add an additional $100 to $200. However, it's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the shop's labor rates. It's recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.
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Frequently Asked Questions about P14D4 2014 GMC Sierra Code
1. What does the OBDII code P14D4 mean on a 2014 GMC Sierra?
The P14D4 code indicates an issue with the Fuel Pump Driver Control Module, specifically that the Configuration Command Signal 2 Message Counter is incorrect.
2. What are the common symptoms of the P14D4 code?
Symptoms may include difficulty starting the engine, poor acceleration, reduced fuel efficiency, or the Check Engine Light being illuminated.
3. What causes the P14D4 code to appear?
The code is typically caused by a malfunction in the Fuel Pump Driver Control Module, wiring issues like loose or corroded connections, or software calibration problems.
4. Can I drive my 2014 GMC Sierra with the P14D4 code?
Driving with this code is not recommended as it can lead to poor engine performance or potential stalling due to improper fuel delivery.
5. How is the P14D4 code diagnosed?
A mechanic will typically use a scan tool to read the code, inspect wiring and connectors, and test the Fuel Pump Driver Control Module for proper operation.
6. How can the P14D4 code be fixed?
Repairs may include reprogramming or replacing the Fuel Pump Driver Control Module, repairing damaged wiring, or cleaning corroded electrical connections.
7. How much does it cost to fix the P14D4 code?
Repair costs can vary but typically range from $200 to $600, depending on whether the module needs replacing or if it's a simpler wiring repair.
8. Can a software update fix the P14D4 code?
In some cases, a software update to the Fuel Pump Driver Control Module may resolve the issue if the problem is related to outdated calibration.
9. What tools are needed to diagnose the P14D4 code?
A professional scan tool capable of reading manufacturer-specific codes and accessing the Fuel Pump Driver Control Module is essential.
10. Could a faulty fuel pump cause the P14D4 code?
No, this code specifically relates to the Fuel Pump Driver Control Module and its communication, not the physical fuel pump itself.
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