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Engine-Codes – GMC – P216F 2015 GMC Sierra

P216F 2015 GMC Sierra Code - Cylinder 6 Injector High Control Circuit High Voltage

Quick Answer

The diagnostic trouble code P216F for a 2015 GMC Sierra indicates an issue with the Cylinder 6 Injector High Control Circuit High Voltage. Common causes include Faulty fuel injector in cylinder 6, 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
P216F 2015 GMC Sierra indicates Cylinder 6 Injector High Control Circuit High Voltage.
Common causes
Common causes include Faulty fuel injector in cylinder 6, 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 16, 2024
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Code P216F 2015 GMC Sierra Description

The diagnostic trouble code P216F for a 2015 GMC Sierra indicates an issue with the Cylinder 6 Injector High Control Circuit High Voltage. This means that there is a problem with the fuel injector in cylinder 6 of the engine, specifically related to the control circuit having a higher voltage than normal. The fuel injector is responsible for delivering the precise amount of fuel into the combustion chamber for efficient engine operation. When the control circuit voltage is too high, it can lead to improper fuel delivery, affecting the engine's performance.

OBDII Code P216F 2015 GMC Sierra - Cylinder 6 Injector High Control Circuit High Voltage
P216F 2015 GMC Sierra Code - Cylinder 6 Injector High Control Circuit High Voltage

Common Causes of P216F 2015 GMC Sierra

  1. Faulty fuel injector in cylinder 6
  2. Wiring issues in the control circuit
  3. Malfunctioning engine control module (ECM)
  4. Power supply issues to the injector
  5. Corrosion or damage to electrical connections

Symptoms of P216F 2015 GMC Sierra

  1. Engine misfires
  2. Rough idling
  3. Decreased fuel efficiency
  4. Loss of power
  5. Check Engine Light illuminated

How to Fix P216F 2015 GMC Sierra

  1. Diagnose the specific cause of the high voltage in the control circuit for cylinder 6 injector.
  2. Inspect the wiring and connections related to the fuel injector for any damage or corrosion.
  3. Test the fuel injector in cylinder 6 to determine if it is functioning properly.
  4. Replace the faulty fuel injector, repair any wiring issues, or replace the engine control module as needed.
  5. Clear the diagnostic trouble codes, reset the ECM, and perform a test drive to ensure the issue has been resolved.

Cost to Fix P216F 2015 GMC Sierra

The typical repair costs for addressing a Cylinder 6 Injector High Control Circuit High Voltage issue can range from $200 to $600, depending on the specific cause of the problem and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Factors such as location, vehicle make and model, and engine type can also impact the overall repair costs. For a more accurate estimate, it's recommended to consult with local auto repair shops.

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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 P216F 2015 GMC Sierra Code

1. What are common symptoms of OBDII code P216F in a 2015 GMC Sierra related to Cylinder 6 Injector High Control Circuit High Voltage?

The common symptoms include rough idling, decreased fuel efficiency, and potential engine misfires.

2. What can cause the OBDII code P216F in a 2015 GMC Sierra indicating Cylinder 6 Injector High Control Circuit High Voltage?

Possible causes of this code include a faulty fuel injector, issues with the injector wiring or connector, or problems with the Engine Control Module (ECM).

3. How can I diagnose the OBDII code P216F on my 2015 GMC Sierra for Cylinder 6 Injector High Control Circuit High Voltage?

To diagnose this code, you can perform a visual inspection of the injector and its wiring, check for any loose connections, use a multimeter to test the injector circuit, and scan the ECM for any related trouble codes.

4. Is it safe to continue driving my 2015 GMC Sierra with the OBDII code P216F indicating Cylinder 6 Injector High Control Circuit High Voltage?

It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the engine and potentially affect the vehicle's performance.

5. How can I repair the OBDII code P216F on my 2015 GMC Sierra showing Cylinder 6 Injector High Control Circuit High Voltage?

Repair options include replacing the faulty fuel injector, repairing any damaged wiring or connectors, and resetting the ECM to clear the trouble code.

6. Can a DIY enthusiast fix the OBDII code P216F in a 2015 GMC Sierra related to Cylinder 6 Injector High Control Circuit High Voltage?

While some basic troubleshooting steps can be performed by DIY enthusiasts, resolving this code may require specialized tools and expertise, so it's advisable to consult a professional mechanic.

7. Are there any preventive maintenance tips to avoid the OBDII code P216F in a 2015 GMC Sierra for Cylinder 6 Injector High Control Circuit High Voltage?

Regularly inspecting the fuel injectors, checking for any signs of corrosion in the wiring, and ensuring proper engine maintenance can help prevent issues leading to this trouble code.

8. Will resetting the OBDII code P216F in a 2015 GMC Sierra related to Cylinder 6 Injector High Control Circuit High Voltage resolve the issue permanently?

Simply resetting the code may temporarily clear the fault, but if the underlying issue causing the code is not addressed, it is likely to reoccur.

9. How long does it typically take to repair the OBDII code P216F on a 2015 GMC Sierra with Cylinder 6 Injector High Control Circuit High Voltage?

The repair time can vary depending on the exact cause of the issue and the extent of the repairs needed. It is best to consult with a professional mechanic for a more accurate estimate.

10. Can a faulty O2 sensor trigger the OBDII code P216F in a 2015 GMC Sierra indicating Cylinder 6 Injector High Control Circuit High Voltage?

While a faulty O2 sensor is not a direct cause of this particular code, it can contribute to engine performance issues that may indirectly result in the Cylinder 6 Injector High Control Circuit High Voltage code.

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