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Engine-Codes – GMC – P216E 2016 GMC Sierra

P216E 2016 GMC Sierra Code - Cylinder 6 Injector High Control Circuit Low Voltage

Quick Answer

The diagnostic trouble code P216E for a 2016 GMC Sierra indicates an issue with the Cylinder 6 Injector High Control Circuit Low Voltage. Common causes include Faulty fuel injector in cylinder 6, Wiring or connector issues in the injector circuit, Problems with the 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
P216E 2016 GMC Sierra indicates Cylinder 6 Injector High Control Circuit Low Voltage.
Common causes
Common causes include Faulty fuel injector in cylinder 6, Wiring or connector issues in the injector circuit, Problems with the 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
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Code P216E 2016 GMC Sierra Description

The diagnostic trouble code P216E for a 2016 GMC Sierra indicates an issue with the Cylinder 6 Injector High Control Circuit Low Voltage. This code specifically points to a problem with the fuel injector in cylinder 6 of the engine. The fuel injector is responsible for delivering the precise amount of fuel into the combustion chamber for efficient combustion. When the control circuit for the injector is experiencing low voltage, it can lead to a variety of performance issues in the vehicle.

OBDII Code P216E 2016 GMC Sierra - Cylinder 6 Injector High Control Circuit Low Voltage
P216E 2016 GMC Sierra Code - Cylinder 6 Injector High Control Circuit Low Voltage

Common Causes of P216E 2016 GMC Sierra

  1. Faulty fuel injector in cylinder 6
  2. Wiring or connector issues in the injector circuit
  3. Problems with the Engine Control Module (ECM)
  4. Fuel system issues such as clogs or leaks
  5. Electrical issues such as a blown fuse or a short circuit

Symptoms of P216E 2016 GMC Sierra

  1. Reduced fuel efficiency
  2. Engine misfires
  3. Rough idling or vibrations
  4. Loss of power or acceleration
  5. Engine stalling

How to Fix P216E 2016 GMC Sierra

  1. Begin by conducting a thorough inspection of the fuel injector in cylinder 6, checking for any signs of damage or malfunction.
  2. Inspect the wiring and connectors in the injector circuit for any loose connections or damage.
  3. Test the Engine Control Module (ECM) to ensure it is functioning properly and communicating with the injector correctly.
  4. Check the fuel system for any clogs, leaks, or other issues that could be affecting fuel delivery to the injector.
  5. Replace the faulty fuel injector, repair any wiring or connector issues, and address any other underlying problems to resolve the P216E code.

Cost to Fix P216E 2016 GMC Sierra

The typical repair costs for addressing a Cylinder 6 Injector High Control Circuit Low Voltage issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, the cost of replacing a fuel injector can range from $150 to $300 per injector, not including labor costs. Additional costs may include diagnostic testing, wiring repairs, or ECM replacement if necessary. Overall, the total repair cost for this issue could range from $300 to $800 or more, including parts and labor. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle.

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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 P216E 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code P216E on a 2016 GMC Sierra related to Cylinder 6 Injector High Control Circuit Low Voltage?

The common symptoms include engine misfires, rough idling, reduced engine performance, and potential stalling.

2. What are the possible causes of the OBDII code P216E on a 2016 GMC Sierra indicating an issue with the Cylinder 6 Injector High Control Circuit Low Voltage?

Possible causes include a faulty fuel injector, wiring issues in the injector circuit, a poor electrical connection, or an ECM (Engine Control Module) malfunction.

3. How can I diagnose the Cylinder 6 Injector High Control Circuit Low Voltage issue on my 2016 GMC Sierra?

You can start by checking the wiring harness and connections related to the cylinder 6 fuel injector, performing a visual inspection for any visible damage or corrosion, and using a multimeter to test the injector's resistance.

4. Is it safe to continue driving my 2016 GMC Sierra with the OBDII code P216E related to Cylinder 6 Injector High Control Circuit Low Voltage?

It is not recommended to drive the vehicle with this issue, as it can lead to further engine damage and potential safety hazards. It is advisable to address the problem promptly.

5. Can I fix the Cylinder 6 Injector High Control Circuit Low Voltage problem on my 2016 GMC Sierra myself?

If you have experience with automotive repairs and access to the necessary tools, you may be able to address the issue yourself by replacing the faulty injector, repairing wiring issues, or fixing poor electrical connections. However, seeking professional help is recommended if you are unsure.

6. How much does it typically cost to repair the OBDII code P216E on a 2016 GMC Sierra related to Cylinder 6 Injector High Control Circuit Low Voltage?

The cost of repair can vary depending on the exact cause of the issue, the labor rates in your area, and whether you choose to address the problem yourself or take it to a mechanic. It's advisable to obtain estimates from different sources.

7. Will resetting the OBDII code P216E on my 2016 GMC Sierra make the issue go away?

Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying problem causing the Cylinder 6 Injector High Control Circuit Low Voltage issue. It is essential to diagnose and address the root cause of the code.

8. How urgent is it to address the OBDII code P216E related to Cylinder 6 Injector High Control Circuit Low Voltage on a 2016 GMC Sierra?

It is recommended to address the issue as soon as possible to prevent further damage to the engine and ensure optimal vehicle performance. Ignoring the problem can lead to more severe issues over time.

9. Can a faulty spark plug cause the OBDII code P216E on a 2016 GMC Sierra indicating Cylinder 6 Injector High Control Circuit Low Voltage?

While a faulty spark plug can contribute to engine performance issues, the OBDII code P216E specifically points to a problem with the injector control circuit. It is essential to focus on diagnosing and correcting issues related to the fuel injector and its circuit.

10. Will driving my 2016 GMC Sierra with the OBDII code P216E affect fuel efficiency?

Driving with the Cylinder 6 Injector High Control Circuit Low Voltage issue can impact fuel efficiency due to potential engine misfires and reduced performance. Addressing the problem promptly can help maintain optimal fuel economy.

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