P14CD 2018 GMC Sierra Code - Fuel Pump Driver Control Module Configuration Command Signal 1 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
- P14CD 2018 GMC Sierra indicates Fuel Pump Driver Control Module Configuration Command Signal 1 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 P14CD 2018 GMC Sierra Description
What are the Possible Causes of the DTC P14CD 2018 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 P14CD 2018 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 P14CD 2018 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 P14CD 2018 GMC Sierra Code
What does the OBDII code P14CD mean on a 2018 GMC Sierra?
1. The P14CD code indicates an issue with the Fuel Pump Driver Control Module (FPCM), specifically that the configuration command signal 1 message counter is incorrect. 2.
What are the common symptoms of code P14CD in a 2018 GMC Sierra?
Symptoms may include difficulty starting, reduced engine performance, poor fuel efficiency, or a check engine light. 3.
What causes the P14CD code to appear on a 2018 GMC Sierra?
Potential causes include a malfunctioning Fuel Pump Driver Control Module, wiring or connector issues, or a software calibration problem. 4.
Can I still drive my 2018 GMC Sierra with a P14CD code?
While the vehicle may still be drivable, ignoring the issue could lead to further damage or fuel delivery problems. It’s best to address the issue promptly. 5.
How do you diagnose the P14CD code on a 2018 GMC Sierra?
Diagnosis involves scanning for additional codes, inspecting the FPCM wiring and connectors, and verifying the module’s software configuration using a scan tool. 6.
How can the P14CD code be fixed on a 2018 GMC Sierra?
Repairs may include reprogramming or replacing the Fuel Pump Driver Control Module, repairing faulty wiring, or updating the vehicle’s software. 7.
Is a faulty fuel pump the cause of the P14CD code in a 2018 GMC Sierra?
Not directly. The code relates to the control module communication, but a fuel pump issue could arise if the FPCM is unable to properly control it. 8.
How much does it cost to fix the P14CD code on a 2018 GMC Sierra?
Repair costs vary, but replacing or reprogramming the FPCM typically costs between $200 and $600, including labor. 9.
Can a software update fix the P14CD code in a 2018 GMC Sierra?
Yes, if the issue is related to outdated software in the FPCM, a software update may resolve the problem. 10.
What should I do if the P14CD code keeps coming back in my 2018 GMC Sierra?
If the code persists, recheck the FPCM and wiring, and consult a professional to ensure the module is correctly programmed and functional.
Discuss the causes and fixes for P14CD 2018 GMC Sierra OBDII Code
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