P14D4 2017 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 2 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
- P14D4 2017 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, 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 P14D4 2017 GMC Sierra Description
What are the Possible Causes of the DTC P14D4 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 P14D4 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 P14D4 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 P14D4 2017 GMC Sierra Code
1. What does the OBDII code P14D4 mean for a 2017 GMC Sierra?
P14D4 indicates an issue with the Fuel Pump Driver Control Module (FPCM), specifically that the Configuration Command Signal 2 Message Counter is incorrect.
2. What are the common symptoms of code P14D4 in a 2017 GMC Sierra?
Common symptoms include engine performance issues, difficulty starting, reduced fuel efficiency, or the illumination of the check engine light.
3. What causes the P14D4 code to appear in a 2017 GMC Sierra?
The code can be caused by a faulty Fuel Pump Driver Control Module, wiring issues, poor electrical connections, or corrupted module programming.
4. How do you diagnose the P14D4 code in a 2017 GMC Sierra?
Diagnosis involves using a scan tool to confirm the code, inspecting the FPCM wiring and connectors, checking for electrical continuity, and verifying module programming.
5. Can driving with the P14D4 code damage my 2017 GMC Sierra?
While the vehicle may still run, ignoring the code can lead to reduced performance or further damage to fuel system components over time.
6. How is the P14D4 code fixed on a 2017 GMC Sierra?
Repairs may include reprogramming or replacing the Fuel Pump Driver Control Module, repairing damaged wiring, or ensuring proper electrical connections.
7. Is the P14D4 code specific to GMC Sierras, or does it affect other vehicles?
While it can appear on other GM vehicles, the exact meaning and repair steps may vary slightly depending on the make and model.
8. How much does it cost to repair the P14D4 code on a 2017 GMC Sierra?
Repair costs can range from $150 to $600+ depending on whether the module needs reprogramming or replacement, plus diagnostic fees.
9. Can a software update fix the P14D4 code on a 2017 GMC Sierra?
Yes, in some cases, reprogramming or updating the FPCM software can resolve the issue if the problem lies in corrupted programming.
10. Can a bad battery or alternator cause the P14D4 code on a 2017 GMC Sierra?
Yes, insufficient voltage from a weak battery or malfunctioning alternator can affect the FPCM’s operation and trigger this code.
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