P14D5 2016 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 2016 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 2016 GMC Sierra Description
What are the Possible Causes of the DTC P14D5 2016 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 2016 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 2016 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 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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