AutoCodesChevrolet – P2C20 2014 Chevrolet Silverado

P2C20 2014 Chevrolet Silverado Code - Fuel Pressure Regulator Performance High Pressure During Cold Start

Quick Answer

The control module controls a series of actuators to ensure optimal engine performance. Common causes include Faulty High Pressure Fuel Pump, High Pressure Fuel Pump harness is open or shorted, High Pressure Fuel Pump 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
P2C20 2014 Chevrolet Silverado indicates Fuel Pressure Regulator Performance High Pressure During Cold Start.
Common causes
Common causes include Faulty High Pressure Fuel Pump, High Pressure Fuel Pump harness is open or shorted, High Pressure Fuel Pump 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 277
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 16, 2022
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Code P2C20 2014 Chevrolet Silverado Description

The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data, and adjusts the engine actuators accordingly. The fuel pressure regulator is a part of the high pressure fuel pump. The fuel pressure regulator is the solenoid valve that controls the pressure in the fuel rail. The Diagnostic Trouble Code (DTC) will be set when the desired fuel rail pressure and the fuel rail pressure are not within 3 MPa (435 PSI) of each other for greater than 30 s. at idle speed.
OBDII Code P2C20 2014 Chevrolet Silverado - Fuel Pressure Regulator Performance High Pressure During Cold Start - AutoCodes.com
P2C20 2014 Chevrolet Silverado Code - Fuel Pressure Regulator Performance High Pressure During Cold Start

What are the Possible Causes of the DTC P2C20 2014 Chevrolet Silverado?

  • Faulty High Pressure Fuel Pump
  • High Pressure Fuel Pump harness is open or shorted
  • High Pressure Fuel Pump circuit poor electrical connection

How to Fix the DTC P2C20 2014 Chevrolet Silverado?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2C20 2014 Chevrolet Silverado 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.

Need more information about the P2C20 2014 Chevrolet Silverado code?

Need more information on how to fix the P2C20 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2C20 2014 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2C20 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P2C20 in a 2014 Chevrolet Silverado related to high fuel pressure during cold start?

The common symptoms include rough idle during cold start, decreased fuel efficiency, and potentially even engine stalling.

2. What can cause the OBDII code P2C20 in a 2014 Chevrolet Silverado indicating high fuel pressure during cold start?

Possible causes include a faulty fuel pressure regulator, a clogged fuel filter, a malfunctioning fuel pump, or issues with the fuel pressure sensor.

3. How can I diagnose the cause of OBDII code P2C20 in a 2014 Chevrolet Silverado?

Diagnosis typically involves checking the fuel pressure using a gauge, inspecting the fuel pressure regulator, testing the fuel pump, and ensuring the fuel lines are clear of any obstructions.

4. Is it safe to continue driving a 2014 Chevrolet Silverado with the OBDII code P2C20 related to high fuel pressure during cold start?

It is not recommended to drive the vehicle with this code present, as it can lead to poor engine performance and potential damage if left unresolved.

5. Can I reset the OBDII code P2C20 in a 2014 Chevrolet Silverado myself?

While you can reset the code using an OBDII scanner, it is crucial to address the underlying issue causing the high fuel pressure during cold start to prevent the code from reoccurring.

6. What are some repair tips for fixing the OBDII code P2C20 in a 2014 Chevrolet Silverado?

Repair tips may include replacing the fuel pressure regulator, cleaning or replacing the fuel filter, inspecting the fuel lines for any leaks, and ensuring proper fuel pressure sensor function.

7. How much does it typically cost to repair OBDII code P2C20 in a 2014 Chevrolet Silverado at a mechanic or dealership?

The cost of repairing this code can vary depending on the exact cause, but it may range from $200 to $500 or more, including parts and labor.

8. Can a DIY enthusiast with basic automotive knowledge fix the OBDII code P2C20 in a 2014 Chevrolet Silverado?

Depending on the exact cause, a DIY enthusiast may be able to address the issue by following repair guides and using the necessary tools. However, if unsure, it's best to consult a professional mechanic.

9. Are there any recalls or technical service bulletins related to OBDII code P2C20 in a 2014 Chevrolet Silverado?

It is advisable to check with Chevrolet or a certified dealership to see if there are any recalls or technical service bulletins related to this specific OBDII code in your vehicle.

10. How important is it to promptly address the OBDII code P2C20 indicating high fuel pressure during cold start in a 2014 Chevrolet Silverado?

It is essential to address this code promptly to prevent potential engine damage, poor fuel economy, and drivability issues. Ignoring the issue can lead to more significant and costly problems in the long run.

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