Engine-Codes.com
Engine-Codes – Generic – P2320

P2320 Code - Ignition Coil 'G' Secondary Circuit

Quick Answer

The P2320 diagnostic trouble code (DTC) indicates a problem with the secondary circuit of ignition coil 'G'. Common causes include Faulty ignition coil 'G', Damaged wiring or connectors, Issues with the engine control module (ECM). 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
P2320 indicates Ignition Coil 'G' Secondary Circuit.
Common causes
Common causes include Faulty ignition coil 'G', Damaged wiring or connectors, Issues with the engine control module (ECM).
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 06, 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 P2320 Description

The P2320 diagnostic trouble code (DTC) indicates a problem with the secondary circuit of ignition coil 'G'. The ignition coil is a crucial component in the ignition system of a vehicle, responsible for converting low voltage power from the battery into high voltage power needed to ignite the fuel-air mixture in the engine cylinders. In this case, the 'G' ignition coil's secondary circuit is malfunctioning, which can lead to a variety of performance issues in the vehicle.

OBDII Code P2320 - Ignition Coil 'G' Secondary Circuit
P2320 Code - Ignition Coil 'G' Secondary Circuit

Common Causes of P2320

  1. Faulty ignition coil 'G'
  2. Damaged wiring or connectors
  3. Issues with the engine control module (ECM)
  4. Corrosion in the electrical connections
  5. High heat exposure leading to coil breakdown

Symptoms of P2320

  1. Engine misfires
  2. Rough idling
  3. Poor acceleration
  4. Decreased fuel efficiency
  5. Engine stalling

How to Fix P2320

  1. Diagnose the specific issue with the ignition coil 'G' secondary circuit using a scan tool to confirm the P2320 code.
  2. Inspect the ignition coil 'G' for any signs of damage or wear and replace if necessary.
  3. Check the wiring and connectors for any corrosion or damage, repairing or replacing as needed.
  4. Test the engine control module (ECM) to ensure it is functioning correctly and reprogram if necessary.
  5. Clear the DTC and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P2320

The cost of repairing the ignition coil 'G' secondary circuit issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, replacing an ignition coil can cost between $50 and $200, while addressing wiring or connector issues may add to the total cost. Including parts and labor, the total repair cost for this issue could range from $150 to $500. It's important to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model. Labor rates at auto repair shops typically range from $80 to $150 per hour, but may vary based on location and other factors.

Need more information about the P2320 code?

Need more information on how to fix the P2320 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2320 code diagnosed by a professional: Find a repair shop in your area

Code P2320 Information for Specific Makes

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 P2320 Code

No Frequently Asked Questions about P2320 Code found.

Discuss the causes and fixes for P2320 OBDII Code

Submit a New Comment

Code P2320 comments

No comments found for this page.