P14D5 2016 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter Incorrect
Quick Answer
The diagnostic trouble code P14D5 for a 2016 GMC Sierra indicates a problem with the Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter being incorrect. Common causes include Wiring issues, Faulty Fuel Pump Driver Control Module, 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
- P14D5 2016 GMC Sierra indicates Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter Incorrect.
- Common causes
- Common causes include Wiring issues, Faulty Fuel Pump Driver Control Module, 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 P14D5 2016 GMC Sierra Description
The diagnostic trouble code P14D5 for a 2016 GMC Sierra indicates a problem with the Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter being incorrect. This module is responsible for controlling the fuel pump operation, ensuring the correct amount of fuel is delivered to the engine for optimal performance. When the configuration command signal message counter is incorrect, it means that the communication between the control module and the fuel pump is not functioning as intended. This can lead to various issues with the vehicle's fuel delivery system, potentially causing poor engine performance, stalling, or even preventing the vehicle from starting.
Common Causes of P14D5 2016 GMC Sierra
- Wiring issues
- Faulty Fuel Pump Driver Control Module
- Malfunctioning fuel pump
- Software glitches in the vehicle's computer system
- Poor electrical connections
Symptoms of P14D5 2016 GMC Sierra
- Engine misfires
- Rough idling
- Hesitation during acceleration
- Decreased fuel efficiency
- Vehicle stalling or difficulty starting
How to Fix P14D5 2016 GMC Sierra
- Begin by conducting a thorough inspection of the wiring harness and connectors associated with the Fuel Pump Driver Control Module.
- Test the Fuel Pump Driver Control Module to determine if it is functioning correctly or needs to be replaced.
- Check the fuel pump for proper operation and replace if necessary.
- Perform a diagnostic scan of the vehicle's computer system to identify any software glitches and address them accordingly.
- Clear the diagnostic trouble code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P14D5 2016 GMC Sierra
The typical repair costs for addressing the Fuel Pump Driver Control Module Configuration Command Signal 3 Message Counter Incorrect code 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. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.
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Frequently Asked Questions about P14D5 2016 GMC Sierra Code
1. What does the OBDII code P14D5 mean on a 2016 GMC Sierra?
P14D5 indicates an issue with the Fuel Pump Driver Control Module (FPCM) related to the Configuration Command Signal 3 Message Counter being incorrect.
2. What are the common symptoms of code P14D5 on a GMC Sierra?
Symptoms may include illuminated check engine light, difficulty starting the engine, engine stalling, reduced engine performance, or erratic fuel pump operation.
3. What causes the P14D5 code to appear on a 2016 GMC Sierra?
Common causes include a faulty Fuel Pump Driver Control Module, wiring or connector issues, software glitches in the module, or incorrect configuration settings.
4. Can a loose or damaged wiring harness cause the P14D5 code?
Yes, damaged or loose wiring and connectors between the FPCM and the engine control module (ECM) can disrupt communication and trigger the code.
5. How is the P14D5 code diagnosed?
A technician will use a scan tool to check the code, inspect the FPCM and its wiring, verify the configuration settings, and potentially test the fuel pump operation.
6. Can I drive my 2016 GMC Sierra with the P14D5 code?
While the truck may still operate, driving with this code can result in poor performance, potential stalling, or further damage to the fuel system. It’s best to address it promptly.
7. How do you fix the P14D5 code on a 2016 GMC Sierra?
Repairs may include reprogramming or replacing the Fuel Pump Driver Control Module, repairing damaged wiring or connectors, or updating the ECM software.
8. Does the P14D5 code require module reprogramming?
In many cases, reprogramming the Fuel Pump Driver Control Module or ECM is necessary to resolve the configuration issue and clear the code.
9. What tools are needed to repair the P14D5 code?
You’ll need an advanced scan tool capable of reading and reprogramming modules, a multimeter for testing wiring, and potentially manufacturer-specific diagnostic software.
10. Is the P14D5 code covered under warranty for a 2016 GMC Sierra?
It depends on the vehicle’s warranty status and coverage details. Check with your GMC dealer to determine if the repair is covered under warranty or a recall program.
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