P14D5 2017 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter Incorrect
Quick Answer
The P14D5 diagnostic trouble code for a 2017 GMC Sierra indicates a problem with the Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter being incorrect. Common causes include Faulty fuel pump driver control module, Wiring issues or poor electrical connections, Malfunctioning engine control module. 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
- P14D5 2017 GMC Sierra indicates Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter Incorrect.
- Common causes
- Common causes include Faulty fuel pump driver control module, Wiring issues or poor electrical connections, Malfunctioning engine control module.
- 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 P14D5 2017 GMC Sierra Description
The P14D5 diagnostic trouble code for a 2017 GMC Sierra indicates a problem with the Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter being incorrect. This specific code relates to the communication between the fuel pump driver control module and the vehicle's computer system. The fuel pump driver control module is responsible for regulating the fuel pump's operation, ensuring the correct fuel pressure is maintained in the fuel system. When the configuration command signal message counter is incorrect, it means there is a discrepancy in the data being exchanged between the control module and the vehicle's computer.
Common Causes of P14D5 2017 GMC Sierra
- Faulty fuel pump driver control module
- Wiring issues or poor electrical connections
- Malfunctioning engine control module
- Software glitches in the vehicle's computer system
- Environmental factors such as moisture or corrosion
Symptoms of P14D5 2017 GMC Sierra
- Engine misfires or hesitation during acceleration
- Difficulty starting the vehicle
- Reduced fuel efficiency
- Illumination of the check engine light
- Vehicle stalling or shutting off unexpectedly
How to Fix P14D5 2017 GMC Sierra
- Diagnose the issue using a diagnostic scanner to retrieve the specific trouble code and identify the root cause.
- Inspect the wiring harness and electrical connections related to the fuel pump driver control module for any damage or corrosion.
- Test the fuel pump driver control module and engine control module for proper functionality.
- If necessary, reprogram or replace the fuel pump driver control module to ensure proper communication with the vehicle's computer system.
- Clear the trouble code from the vehicle's memory and test drive to verify that the issue has been resolved.
Cost to Fix P14D5 2017 GMC Sierra
The cost of repairing a P14D5 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. As a rough estimate, the repair could range from $200 to $500, including parts and labor. Keep in mind that diagnostic time and labor rates can impact the overall cost, so it's advisable to consult with a trusted mechanic or repair shop for a precise estimate.
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Frequently Asked Questions about P14D5 2017 GMC Sierra Code
1. What does OBDII code P14D5 mean on a 2017 GMC Sierra?
Code P14D5 indicates an issue where the Fuel Pump Driver Control Module (FPCM) is detecting an incorrect message counter for Configuration Command Signal 3.
2. What are the common symptoms of code P14D5?
Symptoms may include a check engine light, reduced engine performance, difficulty starting, or erratic fuel pump operation.
3. What causes the P14D5 code to appear?
The code is often caused by faulty communication between the FPCM and the engine control module (ECM), software issues, or wiring/connectivity problems.
4. Can a faulty fuel pump cause code P14D5?
While the fuel pump itself is not the direct cause, wiring or communication issues related to the fuel pump's control module could trigger the code.
5. How do you diagnose the P14D5 code?
Diagnosis involves using a scan tool to check for related codes, inspecting the wiring and connectors for damage, and testing the FPCM for proper communication with the ECM.
6. Can the P14D5 code be fixed by resetting the ECM?
Resetting the ECM may temporarily clear the code, but the underlying issue needs to be addressed to prevent the code from returning.
7. Is the Fuel Pump Driver Control Module a common failure point for code P14D5?
Yes, a malfunctioning FPCM is a potential cause and may need replacement if diagnosed as faulty.
8. Can software updates resolve code P14D5?
In some cases, updating the vehicle’s software or reprogramming the FPCM can fix communication errors and resolve the code.
9. How much does it cost to repair code P14D5 on a 2017 GMC Sierra?
Repair costs vary but may range from $150 to $500, depending on whether the issue involves wiring repairs, module replacement, or reprogramming.
10. Can I continue driving with code P14D5 active?
Driving with this code active is not recommended, as it can lead to reduced performance, potential stalling, or further damage to the fuel system.
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