AutoCodes – GMC – P217F 2015 GMC Sierra

P217F 2015 GMC Sierra Code - Cylinder 8 Injector High Control Circuit High Voltage

Quick Answer

The Engine Control Module (ECM) supplies voltage to each fuel injector on the high control circuits. Common causes include Faulty Fuel Injector 8, Fuel Injector 8 harness is open or shorted, Fuel Injector 8 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
P217F 2015 GMC Sierra indicates Cylinder 8 Injector High Control Circuit High Voltage.
Common causes
Common causes include Faulty Fuel Injector 8, Fuel Injector 8 harness is open or shorted, Fuel Injector 8 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 160
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 08, 2022
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Code P217F 2015 GMC Sierra Description

The Engine Control Module (ECM) supplies voltage to each fuel injector on the high control circuits. The ECM energizes each fuel injector by grounding the low control circuit of the fuel injector. The ECM monitors the status of the fuel injector circuits. When a fuel injector circuit condition is detected by the ECM, the affected fuel injector(s) is disabled. The Diagnostic Trouble Code (DTC) will be set when the ECM detects the fuel injector high voltage supply circuit is shorted to voltage for greater than 2 s.
OBDII Code P217F 2015 GMC Sierra - Cylinder 8 Injector High Control Circuit High Voltage - AutoCodes.com
P217F 2015 GMC Sierra Code - Cylinder 8 Injector High Control Circuit High Voltage

What are the Possible Causes of the DTC P217F 2015 GMC Sierra?

  • Faulty Fuel Injector 8
  • Fuel Injector 8 harness is open or shorted
  • Fuel Injector 8 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P217F 2015 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 P217F 2015 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.

Need more information about the P217F 2015 GMC Sierra code?

Need more information on how to fix the P217F 2015 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P217F 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code P217F in a 2015 GMC Sierra related to the Cylinder 8 Injector High Control Circuit High Voltage issue?

- Common symptoms include engine misfires, rough idle, decreased fuel efficiency, and potential stalling of the vehicle.

2. What are the possible causes of the Cylinder 8 Injector High Control Circuit High Voltage trouble code (P217F) in a 2015 GMC Sierra?

- The code can be triggered by issues such as a faulty fuel injector, wiring harness problems, poor electrical connections, or a faulty Engine Control Module (ECM).

3. How can I diagnose the Cylinder 8 Injector High Control Circuit High Voltage problem in my 2015 GMC Sierra?

- Diagnosing the issue involves checking the wiring and connections related to the cylinder 8 fuel injector, testing the injector for proper function, and using a scan tool to gather data from the ECM.

4. Is it safe to continue driving my 2015 GMC Sierra with the P217F trouble code related to Cylinder 8 Injector High Control Circuit High Voltage?

- It is not recommended to drive the vehicle with this code present, as it can lead to further engine damage or safety issues. It is best to address the problem as soon as possible.

5. Can I reset the OBDII code P217F in my 2015 GMC Sierra on my own?

- While you can clear the code using an OBDII scanner, it is important to address the root cause of the issue to prevent the code from reoccurring.

6. How much does it typically cost to repair the Cylinder 8 Injector High Control Circuit High Voltage problem in a 2015 GMC Sierra?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the fuel injector, repairing wiring, or addressing ECM issues. Costs can range from a few hundred to over a thousand dollars.

7. Are there any DIY repair tips for fixing the P217F trouble code related to Cylinder 8 Injector High Control Circuit High Voltage in a 2015 GMC Sierra?

- While some basic troubleshooting like checking connections and wiring can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for a thorough diagnosis and repair.

8. How long does it take to fix the Cylinder 8 Injector High Control Circuit High Voltage issue in a 2015 GMC Sierra?

- The repair time can vary depending on the specific problem, but it may take a few hours to a full day for a mechanic to diagnose and address the Cylinder 8 Injector High Control Circuit High Voltage fault.

9. Can a faulty fuel injector be the sole cause of the P217F trouble code in a 2015 GMC Sierra?

- While a faulty fuel injector is a common cause of this code, other factors like wiring issues, ECM problems, or poor electrical connections can also trigger the Cylinder 8 Injector High Control Circuit High Voltage fault.

10. Will the check engine light turn off automatically once the Cylinder 8 Injector High Control Circuit High Voltage issue is fixed in a 2015 GMC Sierra?

- In most cases, once the underlying problem causing the P217F code is resolved, the check engine light should turn off automatically after a few driving cycles.

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