Engine-Codes.com
Engine-Codes – GMC – P216C 2014 GMC Sierra

P216C 2014 GMC Sierra Code - Cylinder 5 Injector High Control Circuit High Voltage

Quick Answer

The diagnostic trouble code P216C for a 2014 GMC Sierra indicates a problem with the Cylinder 5 Injector High Control Circuit High Voltage. Common causes include Faulty fuel injector in cylinder 5, Wiring issues in the control circuit, Malfunctioning engine control module (ECM). 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
P216C 2014 GMC Sierra indicates Cylinder 5 Injector High Control Circuit High Voltage.
Common causes
Common causes include Faulty fuel injector in cylinder 5, Wiring issues in the control circuit, Malfunctioning engine control module (ECM).
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P216C 2014 GMC Sierra Description

The diagnostic trouble code P216C for a 2014 GMC Sierra indicates a problem with the Cylinder 5 Injector High Control Circuit High Voltage. This code specifically points to an issue with the fuel injector in cylinder number 5 receiving a higher voltage signal than expected, which can lead to various performance issues in the vehicle.

OBDII Code P216C 2014 GMC Sierra - Cylinder 5 Injector High Control Circuit High Voltage
P216C 2014 GMC Sierra Code - Cylinder 5 Injector High Control Circuit High Voltage

Common Causes of P216C 2014 GMC Sierra

  1. Faulty fuel injector in cylinder 5
  2. Wiring issues in the control circuit
  3. Malfunctioning engine control module (ECM)
  4. Fuel injection system problem
  5. Corrosion or loose connections in the wiring harness

Symptoms of P216C 2014 GMC Sierra

  1. Poor fuel efficiency
  2. Rough idle or stalling
  3. Hesitation during acceleration
  4. Engine misfires
  5. Check engine light illuminated on the dashboard

How to Fix P216C 2014 GMC Sierra

  1. Diagnose the specific cause of the high voltage signal in the Cylinder 5 Injector.
  2. Inspect the fuel injector in cylinder 5 for any signs of damage or malfunction.
  3. Check the wiring harness and connections for any corrosion, breaks, or loose connections.
  4. Test the engine control module (ECM) to ensure it is functioning correctly.
  5. Replace any faulty components, such as the fuel injector or wiring harness, and clear the diagnostic trouble codes to reset the system.

Cost to Fix P216C 2014 GMC Sierra

The cost of repairing a Cylinder 5 Injector High Control Circuit High Voltage issue in a 2014 GMC Sierra can vary depending on the specific cause of the problem and the labor rates at the auto repair shop. Generally, the cost of parts for a fuel injector replacement can range from $150 to $300, while the labor cost may be around $100 to $200 per hour. Therefore, the total repair cost could be anywhere from $300 to $600 or more. It is advisable to get a detailed quote from a local auto repair shop to get an accurate estimate based on your specific situation.

Need more information about the P216C 2014 GMC Sierra code?

Need more information on how to fix the P216C 2014 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P216C 2014 GMC Sierra 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 P216C 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code P216C in a 2014 GMC Sierra related to the Cylinder 5 Injector High Control Circuit High Voltage?

The common symptoms include rough idling, decreased fuel efficiency, misfires in cylinder 5, and potentially a noticeable decrease in engine performance.

2. What are the possible causes of the Cylinder 5 Injector High Control Circuit High Voltage OBDII code on a 2014 GMC Sierra?

Possible causes include a faulty fuel injector in cylinder 5, a wiring issue in the injector circuit, a malfunctioning Engine Control Module (ECM), or an electrical problem in the system.

3. How can I diagnose the issue causing the OBDII code P216C in my 2014 GMC Sierra?

Diagnosing the issue requires using a scan tool to check for the specific code, inspecting the cylinder 5 injector and its wiring for any damage or loose connections, testing the ECM for proper function, and ensuring there are no other electrical issues in the system.

4. Can I continue to drive my 2014 GMC Sierra with the P216C code present?

It is not recommended to continue driving the vehicle with the code active, as it can lead to further damage to the engine and components. It is best to address the issue promptly to avoid more significant problems.

5. How can I repair the Cylinder 5 Injector High Control Circuit High Voltage issue in my 2014 GMC Sierra?

Repairing the issue may involve replacing the fuel injector in cylinder 5, repairing any damaged wiring in the injector circuit, resetting the ECM, or addressing any other electrical faults that may be causing the problem.

6. Is it possible to reset the OBDII code P216C in a 2014 GMC Sierra without fixing the underlying issue?

While you can clear the code with a scan tool, it will likely reappear if the root cause of the problem is not addressed. It is essential to diagnose and fix the issue to prevent the code from coming back.

7. How much does it typically cost to repair the Cylinder 5 Injector High Control Circuit High Voltage problem in a 2014 GMC Sierra?

The cost of repair can vary depending on the exact cause of the issue, but it may involve parts and labor expenses for replacing the fuel injector, repairing wiring, or addressing other underlying problems. It is advisable to consult a mechanic for a precise estimate.

8. Can a DIY enthusiast with basic automotive knowledge fix the P216C code in a 2014 GMC Sierra?

While some individuals may have the skills to address simpler issues like checking wiring connections, fixing the Cylinder 5 Injector High Control Circuit High Voltage problem often requires specialized tools and expertise. It is recommended to seek professional help for proper diagnosis and repair.

9. Will ignoring the OBDII code P216C in my 2014 GMC Sierra cause more severe damage over time?

Ignoring the code can lead to potential engine damage, decreased performance, and worsened fuel efficiency. It is best to address the issue promptly to prevent any further complications.

10. Are there any preventive maintenance steps I can take to avoid encountering the Cylinder 5 Injector High Control Circuit High Voltage issue in my 2014 GMC Sierra?

Regularly servicing the vehicle, using high-quality fuel, and keeping an eye on any changes in engine performance can help catch potential issues early and prevent the occurrence of OBDII codes like P216C.

Discuss the causes and fixes for P216C 2014 GMC Sierra OBDII Code

Submit a New Comment

Code P216C 2014 GMC Sierra comments

No comments found for this page.