P14D5 2014 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter Incorrect
Quick Answer
The diagnostic trouble code P14D5 for a 2014 GMC Sierra relates to the Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter Incorrect. Common causes include Faulty wiring or connectors in the fuel pump driver control module circuit, Malfunctioning fuel pump driver control module, Issues with the fuel pump itself. 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 2014 GMC Sierra indicates Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter Incorrect.
- Common causes
- Common causes include Faulty wiring or connectors in the fuel pump driver control module circuit, Malfunctioning fuel pump driver control module, Issues with the fuel pump itself.
- 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 2014 GMC Sierra Description
The diagnostic trouble code P14D5 for a 2014 GMC Sierra relates to the Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter Incorrect. This code indicates that there is an issue with the signal sent by the fuel pump driver control module, specifically related to the configuration command signal 3 message counter. The fuel pump driver control module is responsible for regulating the fuel pump's operation, ensuring the correct amount of fuel is delivered to the engine for optimal performance.
Common Causes of P14D5 2014 GMC Sierra
- Faulty wiring or connectors in the fuel pump driver control module circuit.
- Malfunctioning fuel pump driver control module.
- Issues with the fuel pump itself.
- Corrosion or damage to the fuel system components.
- Software or programming errors in the control module.
Symptoms of P14D5 2014 GMC Sierra
- Engine misfires or hesitation during acceleration.
- Stalling or difficulty starting the engine.
- Decreased fuel efficiency.
- Check Engine Light illuminated on the dashboard.
How to Fix P14D5 2014 GMC Sierra
- Begin by conducting a thorough inspection of the fuel pump driver control module circuit, checking for any loose connections or damaged wiring.
- Test the fuel pump driver control module using a diagnostic scanner to determine if it is functioning correctly.
- Inspect the fuel pump and related components for any signs of damage or wear, replacing as necessary.
- Clear the diagnostic trouble codes from the vehicle's computer system and perform a test drive to ensure the issue has been resolved.
- If the problem persists, consider reprogramming or replacing the fuel pump driver control module to address the communication error.
Cost to Fix P14D5 2014 GMC Sierra
The typical repair costs for addressing the P14D5 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of parts such as a new fuel pump driver control module or fuel pump, along with labor costs, can range from $300 to $800. Additional diagnostic fees may apply, and the total cost could increase if other components need to be replaced. It's recommended to consult with a qualified mechanic or auto repair shop for an accurate estimate based on the vehicle's condition and the extent of the repairs needed. Keep in mind that labor rates can vary, so it's advisable to inquire about rates in your local area for a more precise cost estimate.
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Frequently Asked Questions about P14D5 2014 GMC Sierra Code
1. What does OBDII code P14D5 mean on a 2014 GMC Sierra?
Code P14D5 indicates an issue with the Fuel Pump Driver Control Module (FPCM), specifically that the Configuration Command Signal 3 message counter is incorrect.
2. What are the common symptoms of code P14D5 in a 2014 GMC Sierra?
Symptoms may include reduced engine performance, difficulty starting the vehicle, a check engine light, and possibly stalling or hesitation during acceleration.
3. What causes the P14D5 code to appear?
Common causes include a malfunctioning Fuel Pump Driver Control Module, software issues in the module, damaged wiring or connectors, or communication errors between the module and the engine control unit (ECU).
4. Can a bad fuel pump cause the P14D5 code?
A bad fuel pump itself is not the direct cause of the P14D5 code, but communication or control issues related to the fuel pump driver module could indirectly impact fuel delivery.
5. How do you diagnose the P14D5 code on a 2014 GMC Sierra?
Diagnosis includes using a scan tool to confirm the code, inspecting related wiring and connectors for damage, testing the Fuel Pump Driver Control Module, and verifying software updates.
6. Can a software update fix code P14D5?
Yes, in some cases, a software update or reprogramming the Fuel Pump Driver Control Module may resolve the issue if the problem is related to a communication software glitch.
7. Is it safe to drive a 2014 GMC Sierra with a P14D5 code?
Driving with this code is not recommended, as it can lead to poor engine performance, stalling, or other fuel delivery issues that could create unsafe driving conditions.
8. What repairs can fix a P14D5 code?
Repairs may include replacing or reprogramming the Fuel Pump Driver Control Module, repairing damaged wiring or connectors, or addressing any software communication issues.
9. How much does it cost to repair a P14D5 code on a GMC Sierra?
Repair costs vary but may range from $200 to $600 depending on whether the Fuel Pump Driver Control Module needs replacement or reprogramming.
10. Can I clear the P14D5 code without fixing the issue?
Clearing the code may turn off the check engine light temporarily, but the underlying issue will likely cause the code to return and should be resolved to prevent further problems.
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