AutoCodesChevrolet – P0265 2017 Chevrolet Silverado

P0265 2017 Chevrolet Silverado Code - Cylinder 2 Injector 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 Dirty Fuel Injector 2, Faulty Fuel Injector 2, Plugged Fuel Injector 2. 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
P0265 2017 Chevrolet Silverado indicates Cylinder 2 Injector Control Circuit High Voltage.
Common causes
Common causes include Dirty Fuel Injector 2, Faulty Fuel Injector 2, Plugged Fuel Injector 2.
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.
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Code Popularity 356
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 P0265 2017 Chevrolet Silverado 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 shorted to voltage for greater than 2 s.
OBDII Code P0265 2017 Chevrolet Silverado - Cylinder 2 Injector Control Circuit High Voltage - AutoCodes.com
P0265 2017 Chevrolet Silverado Code - Cylinder 2 Injector Control Circuit High Voltage

What are the Possible Causes of the DTC P0265 2017 Chevrolet Silverado?

  • Dirty Fuel Injector 2
  • Faulty Fuel Injector 2
  • Plugged Fuel Injector 2
  • Fuel Injector #2 harness is open or shorted
  • Fuel Injector #2 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0265 2017 Chevrolet Silverado?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0265 2017 Chevrolet Silverado 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 P0265 2017 Chevrolet Silverado 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 P0265 2017 Chevrolet Silverado Code

What does the OBDII code P0265 mean on a 2017 Chevrolet Silverado?

P0265 indicates a "Cylinder 2 Injector Control Circuit High Voltage," meaning the fuel injector's electrical circuit for cylinder 2 is experiencing higher-than-expected voltage.

What are the common symptoms of code P0265?

Symptoms may include rough idling, engine misfires, reduced fuel efficiency, hesitation during acceleration, and an illuminated check engine light.

What causes the P0265 code to appear?

Common causes include a faulty fuel injector, damaged wiring or connectors in the injector circuit, a malfunctioning powertrain control module (PCM), or short circuits in the wiring harness.

Can I drive my 2017 Chevrolet Silverado with the P0265 code?

Driving with this code is not recommended, as it can lead to poor engine performance, increased emissions, and potential damage to other engine components.

How do I diagnose the P0265 code?

Start by inspecting the wiring and connectors for cylinder 2's fuel injector for damage or corrosion. Use a multimeter to check for proper voltage and resistance in the circuit, and test the injector itself.

What repairs typically fix the P0265 code?

Repairs may involve replacing the faulty fuel injector, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the PCM if it's determined to be faulty.

How much does it cost to fix the P0265 code?

Repair costs can vary widely. Replacing a fuel injector typically costs $200–$400, while wiring repairs may cost $50–$200. PCM replacement or reprogramming can cost $500 or more.

Can a dirty fuel injector cause the P0265 code?

No, a dirty fuel injector would likely cause flow issues rather than high voltage in the control circuit. P0265 is more often related to electrical issues.

How can I prevent the P0265 code from recurring?

Regular maintenance, including inspecting wiring and connectors for damage and ensuring proper fuel injector operation, can help prevent this code from reappearing.

Will clearing the code with a scanner fix the P0265 issue?

Clearing the code will turn off the check engine light temporarily, but it won't fix the underlying problem. The code will likely return if the issue isn't addressed.

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