AutoCodes – GMC – P0205 2016 GMC Sierra

P0205 2016 GMC Sierra Code - Cylinder 5 Injector Control Circuit

Quick Answer

The Engine Control Module (ECM) supplies voltage to each fuel injector on the high control circuits. Common causes include Faulty Fuel Injector 5, Fuel Injector 5 harness is open or shorted, Fuel Injector 5 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
P0205 2016 GMC Sierra indicates Cylinder 5 Injector Control Circuit.
Common causes
Common causes include Faulty Fuel Injector 5, Fuel Injector 5 harness is open or shorted, Fuel Injector 5 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 218
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 23, 2024
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Code P0205 2016 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 control circuit is open for greater than 2 s.
OBDII Code P0205 2016 GMC Sierra - Cylinder 5 Injector Control Circuit - AutoCodes.com
P0205 2016 GMC Sierra Code - Cylinder 5 Injector Control Circuit

What are the Possible Causes of the DTC P0205 2016 GMC Sierra?

  • Faulty Fuel Injector 5
  • Fuel Injector 5 harness is open or shorted
  • Fuel Injector 5 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0205 2016 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 P0205 2016 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 P0205 2016 GMC Sierra code?

Need more information on how to fix the P0205 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0205 2016 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 P0205 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code P0205 in a 2016 GMC Sierra related to the Cylinder 5 Injector Control Circuit?

The common symptoms include misfires in cylinder 5, rough idling, decreased fuel efficiency, and potentially an illuminated check engine light.

2. What are the possible causes of OBDII code P0205 in a 2016 GMC Sierra?

The code P0205, indicating an issue with the Cylinder 5 Injector Control Circuit, can be caused by a faulty fuel injector in cylinder 5, wiring issues in the injector circuit, or a problem with the Engine Control Module (ECM).

3. How can I diagnose the Cylinder 5 Injector Control Circuit issue in my 2016 GMC Sierra?

Diagnosing the problem involves using an OBDII scanner to read the code, conducting a visual inspection of the injector and wiring, performing continuity and resistance tests on the circuit, and potentially using a noid light to check injector pulse.

4. Can I still drive my 2016 GMC Sierra with OBDII code P0205?

It is not recommended to drive your vehicle with OBDII code P0205, as continued driving with a faulty injector can lead to engine damage and further problems. It's best to address the issue promptly.

5. How can I repair OBDII code P0205 in my 2016 GMC Sierra?

Repairing the Cylinder 5 Injector Control Circuit issue may involve replacing the fuel injector in cylinder 5, repairing or replacing damaged wiring, or reprogramming the ECM. It's advisable to consult a professional mechanic for accurate diagnosis and repairs.

6. Are there any maintenance tips to prevent OBDII code P0205 in my 2016 GMC Sierra?

Regularly servicing your vehicle, using high-quality fuel, and addressing any engine performance issues promptly can help prevent problems with the injector control circuit and reduce the likelihood of OBDII code P0205.

7. Can a DIY enthusiast fix OBDII code P0205 in a 2016 GMC Sierra?

While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing issues related to the Cylinder 5 Injector Control Circuit may require specialized tools and expertise. It's recommended to seek professional help for accurate diagnosis and repairs.

8. How much can I expect to pay for repairing OBDII code P0205 in my 2016 GMC Sierra?

The cost of repairing OBDII code P0205 can vary depending on the exact cause of the issue, the labor rates in your area, and whether genuine OEM parts are used. It's best to get a few quotes from reputable mechanics to compare prices.

9. What are the potential risks of ignoring OBDII code P0205 in a 2016 GMC Sierra?

Ignoring the Cylinder 5 Injector Control Circuit issue can lead to poor engine performance, decreased fuel efficiency, potential engine damage, and increased emissions. Addressing the problem promptly can help prevent further complications.

10. Is it necessary to clear the OBDII code P0205 after repairs are done on a 2016 GMC Sierra?

Yes, it is essential to clear the code after repairs are completed to reset the Check Engine Light and ensure that the issue has been successfully addressed. This can be done using an OBDII scanner or by disconnecting the battery for a few minutes.

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