P14D5 2015 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 2015 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 2015 GMC Sierra Description
What are the Possible Causes of the DTC P14D5 2015 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 2015 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 2015 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 2015 GMC Sierra Code
1. What does the OBDII code P14D5 mean on a 2015 GMC Sierra?
The P14D5 code indicates an issue with the Fuel Pump Driver Control Module (FPCM) where the configuration command signal 3 message counter is incorrect.
2. What are the common symptoms of a P14D5 code?
Symptoms may include a check engine light, poor fuel efficiency, difficulty starting the engine, or engine performance issues.
3. What causes the P14D5 code to appear?
Common causes include a faulty Fuel Pump Driver Control Module, wiring or connector issues, or a software glitch in the module.
4. Can a loose connection cause a P14D5 code?
Yes, loose or corroded connectors between the FPCM and the ECM can trigger this code.
5. How is the P14D5 code diagnosed?
Diagnosis typically involves scanning for additional codes, inspecting the FPCM wiring and connectors, and testing the module’s communication with the ECM.
6. Can I drive my 2015 GMC Sierra with a P14D5 code?
While the vehicle may still function, driving with this code could lead to reduced performance or further damage. It's best to address it promptly.
7. How do you fix the P14D5 code?
Repairs may include replacing the Fuel Pump Driver Control Module, repairing damaged wiring, or updating the FPCM software.
8. Does the P14D5 code always mean the Fuel Pump Driver Control Module is bad?
Not necessarily. The issue could stem from wiring, communication errors, or software rather than the module itself.
9. Is a P14D5 code specific to GMC vehicles?
This specific code is commonly associated with GMC or GM vehicles, but similar issues may occur in other brands with different codes.
10. Do I need to reprogram the Fuel Pump Driver Control Module after replacement?
Yes, if the module is replaced, it may require programming to communicate correctly with the ECM.
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