P14D5 2017 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 3 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
- 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, 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.
Code P14D5 2017 GMC Sierra Description
What are the Possible Causes of the DTC P14D5 2017 GMC Sierra?
- 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 P14D5 2017 GMC Sierra?
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 P14D5 2017 GMC Sierra 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.
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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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