P14D4 2014 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 2014 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 2014 GMC Sierra Description
What are the Possible Causes of the DTC P14D4 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 P14D4 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 P14D4 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 P14D4 2014 GMC Sierra Code
1. What does the OBDII code P14D4 mean on a 2014 GMC Sierra?
The P14D4 code indicates an issue with the Fuel Pump Driver Control Module, specifically that the Configuration Command Signal 2 Message Counter is incorrect.
2. What are the common symptoms of the P14D4 code?
Symptoms may include difficulty starting the engine, poor acceleration, reduced fuel efficiency, or the Check Engine Light being illuminated.
3. What causes the P14D4 code to appear?
The code is typically caused by a malfunction in the Fuel Pump Driver Control Module, wiring issues like loose or corroded connections, or software calibration problems.
4. Can I drive my 2014 GMC Sierra with the P14D4 code?
Driving with this code is not recommended as it can lead to poor engine performance or potential stalling due to improper fuel delivery.
5. How is the P14D4 code diagnosed?
A mechanic will typically use a scan tool to read the code, inspect wiring and connectors, and test the Fuel Pump Driver Control Module for proper operation.
6. How can the P14D4 code be fixed?
Repairs may include reprogramming or replacing the Fuel Pump Driver Control Module, repairing damaged wiring, or cleaning corroded electrical connections.
7. How much does it cost to fix the P14D4 code?
Repair costs can vary but typically range from $200 to $600, depending on whether the module needs replacing or if it's a simpler wiring repair.
8. Can a software update fix the P14D4 code?
In some cases, a software update to the Fuel Pump Driver Control Module may resolve the issue if the problem is related to outdated calibration.
9. What tools are needed to diagnose the P14D4 code?
A professional scan tool capable of reading manufacturer-specific codes and accessing the Fuel Pump Driver Control Module is essential.
10. Could a faulty fuel pump cause the P14D4 code?
No, this code specifically relates to the Fuel Pump Driver Control Module and its communication, not the physical fuel pump itself.
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