AutoCodes – Chevrolet – P0611 Chevrolet

P0611 Chevrolet Code - Fuel Injector Control Module Performance

Quick Answer

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Faulty Fuel Injector Control Module, Fuel Injector Control Module harness is open or shorted, Fuel Injector Control Module 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: P0611 Chevrolet indicates Fuel Injector Control Module Performance.
Common causes: Common causes include Faulty Fuel Injector Control Module, Fuel Injector Control Module harness is open or shorted, Fuel Injector Control Module 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.

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Code Popularity 1,073

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 04, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0611 Chevrolet Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Diagnostic Trouble Code (DTC) will be set when the Fuel Injector Control Module detects a system voltage below or above a threshold.

OBDII Code P0611 Chevrolet - Fuel Injector Control Module Performance - AutoCodes.com — P0611 Chevrolet Code - Fuel Injector Control Module Performance

What does this mean?

What are the Possible Causes of the DTC P0611 Chevrolet?

Faulty Fuel Injector Control Module
Fuel Injector Control Module harness is open or shorted
Fuel Injector Control Module circuit poor electrical connection

How to Fix the DTC P0611 Chevrolet?

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 P0611 Chevrolet 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 P0611 Chevrolet code?

Need more information on how to fix the P0611 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0611 Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

P0611 2014 Chevrolet Silverado — Fuel Injector Control Module Performance
P0611 2015 Chevrolet Silverado — Fuel Injector Control Module Performance
P0611 2016 Chevrolet Silverado — Fuel Injector Control Module Performance
P0611 2017 Chevrolet Silverado — Fuel Injector Control Module Performance
P0611 2018 Chevrolet Silverado — Fuel Injector Control Module Performance

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 P0611 Chevrolet Code

1. What does the OBDII code P0611 mean for a Chevrolet?

P0611 indicates a problem with the Fuel Injector Control Module (FICM) performance, which may affect proper fuel injection timing and delivery.

2. What are the common symptoms of code P0611 in a Chevrolet?

Symptoms may include hard starting, engine misfires, reduced power, poor fuel economy, and the Check Engine Light illuminating.

3. What causes the P0611 code to appear in a Chevrolet?

Common causes include a failed Fuel Injector Control Module, wiring issues, corroded electrical connections, or a malfunctioning power supply to the module.

4. Can a bad fuel injector cause the P0611 code in a Chevrolet?

No, the P0611 code specifically relates to the Fuel Injector Control Module's performance, not the individual fuel injectors themselves.

5. How can I diagnose the P0611 code on my Chevrolet?

Start by checking the FICM and its wiring for damage, corrosion, or loose connections. Use a multimeter to test power and ground supplies, and scan the FICM for internal faults.

6. Is it safe to drive with the P0611 code on a Chevrolet?

Driving with this code is not recommended, as it can lead to poor performance, potential engine damage, or the car stalling unexpectedly.

7. How do you fix the P0611 code on a Chevrolet?

Repairs may include replacing the FICM, repairing wiring or connectors, ensuring proper power supply, or reprogramming the module if necessary.

8. Does the P0611 code require reprogramming the Fuel Injector Control Module?

In some cases, reprogramming or updating the FICM software may resolve the issue, but this should only be done after verifying the moduleâ€™s hardware is functioning properly.

9. How much does it cost to repair the P0611 code on a Chevrolet?

Repair costs vary, but replacing the FICM can range from $500 to $1,300, depending on parts and labor. Diagnosing and fixing wiring issues may cost less.

10. Can a weak battery cause the P0611 code on a Chevrolet?

Yes, a weak or failing battery can lead to insufficient power supply to the FICM, triggering the P0611 code. Always check the battery and charging system during diagnostics.