P14D5 2014 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 2014 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 2014 GMC Sierra Description
What are the Possible Causes of the DTC P14D5 2014 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 2014 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 2014 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 2014 GMC Sierra Code
1. What does OBDII code P14D5 mean on a 2014 GMC Sierra?
Code P14D5 indicates an issue with the Fuel Pump Driver Control Module (FPCM), specifically that the Configuration Command Signal 3 message counter is incorrect.
2. What are the common symptoms of code P14D5 in a 2014 GMC Sierra?
Symptoms may include reduced engine performance, difficulty starting the vehicle, a check engine light, and possibly stalling or hesitation during acceleration.
3. What causes the P14D5 code to appear?
Common causes include a malfunctioning Fuel Pump Driver Control Module, software issues in the module, damaged wiring or connectors, or communication errors between the module and the engine control unit (ECU).
4. Can a bad fuel pump cause the P14D5 code?
A bad fuel pump itself is not the direct cause of the P14D5 code, but communication or control issues related to the fuel pump driver module could indirectly impact fuel delivery.
5. How do you diagnose the P14D5 code on a 2014 GMC Sierra?
Diagnosis includes using a scan tool to confirm the code, inspecting related wiring and connectors for damage, testing the Fuel Pump Driver Control Module, and verifying software updates.
6. Can a software update fix code P14D5?
Yes, in some cases, a software update or reprogramming the Fuel Pump Driver Control Module may resolve the issue if the problem is related to a communication software glitch.
7. Is it safe to drive a 2014 GMC Sierra with a P14D5 code?
Driving with this code is not recommended, as it can lead to poor engine performance, stalling, or other fuel delivery issues that could create unsafe driving conditions.
8. What repairs can fix a P14D5 code?
Repairs may include replacing or reprogramming the Fuel Pump Driver Control Module, repairing damaged wiring or connectors, or addressing any software communication issues.
9. How much does it cost to repair a P14D5 code on a GMC Sierra?
Repair costs vary but may range from $200 to $600 depending on whether the Fuel Pump Driver Control Module needs replacement or reprogramming.
10. Can I clear the P14D5 code without fixing the issue?
Clearing the code may turn off the check engine light temporarily, but the underlying issue will likely cause the code to return and should be resolved to prevent further problems.
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