Engine-Codes.com
Engine-Codes – Chevrolet – P2306 Chevrolet

P2306 Chevrolet Code - Ignition Coil 3 Control Circuit Low Voltage

Quick Answer

The P2306 code for Chevrolet vehicles indicates a problem with the ignition coil 3 control circuit, specifically a low voltage issue. Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Malfunctioning ignition coil control module. 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
P2306 Chevrolet indicates Ignition Coil 3 Control Circuit Low Voltage.
Common causes
Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Malfunctioning ignition coil control module.
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 09, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P2306 Chevrolet Description

The P2306 code for Chevrolet vehicles indicates a problem with the ignition coil 3 control circuit, specifically a low voltage issue. The ignition coil is a crucial component in the ignition system that converts the low voltage from the battery into the high voltage needed to ignite the air-fuel mixture in the engine cylinders. When the control circuit for ignition coil 3 is not receiving enough voltage, it can lead to misfires, rough idling, decreased fuel efficiency, and overall poor engine performance.

OBDII Code P2306 Chevrolet - Ignition Coil 3 Control Circuit Low Voltage
P2306 Chevrolet Code - Ignition Coil 3 Control Circuit Low Voltage

Common Causes of P2306 Chevrolet

  1. Faulty ignition coil
  2. Damaged wiring or connectors in the ignition coil circuit
  3. Malfunctioning ignition coil control module
  4. Issues with the engine control module (ECM)
  5. Poor electrical connection or corrosion in the ignition coil circuit

Symptoms of P2306 Chevrolet

  1. Check Engine Light illuminated on the dashboard
  2. Engine misfires or hesitations during acceleration
  3. Rough idling or shaking while the vehicle is stationary
  4. Decreased fuel efficiency
  5. Stalling or difficulty starting the engine

How to Fix P2306 Chevrolet

  1. Begin by diagnosing the root cause of the low voltage issue in the ignition coil 3 control circuit using a diagnostic scanner.
  2. Inspect the wiring and connectors in the ignition coil circuit for any damage or corrosion and repair or replace as necessary.
  3. Test the ignition coil and ignition coil control module to determine if they are functioning properly. Replace any faulty components.
  4. Clear the diagnostic trouble codes from the engine control module (ECM) and test drive the vehicle to verify that the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to pinpoint the exact cause of the low voltage in the ignition coil 3 control circuit.

Cost to Fix P2306 Chevrolet

The typical repair costs for addressing a P2306 code on a Chevrolet vehicle can vary depending on the specific cause of the issue. In general, replacing a faulty ignition coil or ignition coil control module can range from $100 to $300, while addressing wiring or connector issues may cost around $50 to $150. Labor costs can add an additional $80 to $150 per hour, with total repair bills typically falling in the $200 to $500 range. It is important to note that these estimates are rough averages, and actual costs can vary based on factors such as location, vehicle make and model, and the extent of the repairs needed. It is recommended to consult with a professional mechanic for a more accurate cost estimate based on your specific situation.

Need more information about the P2306 Chevrolet code?

Need more information on how to fix the P2306 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2306 Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

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 P2306 Chevrolet Code

1. What are the common symptoms of OBDII code P2306 on a Chevrolet related to Ignition Coil 3 Control Circuit Low Voltage?

- Common symptoms include engine misfires, rough idling, lack of power, and potentially even stalling of the vehicle.

2. What are some possible causes of the OBDII code P2306 Chevrolet related to Ignition Coil 3 Control Circuit Low Voltage?

- Possible causes may include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or issues with the Engine Control Module (ECM).

3. How can I diagnose the OBDII code P2306 on my Chevrolet related to Ignition Coil 3 Control Circuit Low Voltage?

- Diagnosis typically involves checking the ignition coil for proper functioning, inspecting the wiring and connectors for any damage, and using a diagnostic scanner to analyze data from the ECM.

4. Can I still drive my Chevrolet with the OBDII code P2306 related to Ignition Coil 3 Control Circuit Low Voltage?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the engine and catalytic converter.

5. How can I repair the OBDII code P2306 Chevrolet related to Ignition Coil 3 Control Circuit Low Voltage?

- Repair may involve replacing the faulty ignition coil, repairing any damaged wiring or connectors, or resetting the ECM after fixing the issue.

6. Is it necessary to reset the OBDII code P2306 after repairing the issue related to Ignition Coil 3 Control Circuit Low Voltage on a Chevrolet?

- Yes, it is important to reset the code using a diagnostic scanner to clear the error from the ECM's memory and ensure the issue has been resolved.

7. Can a DIY enthusiast repair the OBDII code P2306 Chevrolet related to Ignition Coil 3 Control Circuit Low Voltage?

- Depending on the individual's skill level and access to tools, some may be able to replace the ignition coil or check wiring connections. However, complex diagnostics may require professional assistance.

8. What are the potential long-term effects of ignoring the OBDII code P2306 related to Ignition Coil 3 Control Circuit Low Voltage on a Chevrolet?

- Ignoring this code can lead to permanent damage to the ignition system, engine misfires, decreased fuel efficiency, and even complete engine failure if left unresolved.

9. How much does it typically cost to repair the OBDII code P2306 Chevrolet related to Ignition Coil 3 Control Circuit Low Voltage?

- The cost of repair can vary depending on the underlying issue, but it may range from $100 to $300 for parts and labor at a repair shop.

10. Is it recommended to replace all ignition coils when encountering the OBDII code P2306 Chevrolet related to Ignition Coil 3 Control Circuit Low Voltage?

- While it's not necessary to replace all ignition coils, it's a good practice to inspect all coils and replace any that show signs of wear or malfunction to prevent future issues.

Discuss the causes and fixes for P2306 Chevrolet OBDII Code

Submit a New Comment

Code P2306 Chevrolet comments

No comments found for this page.