Engine-Codes.com
Engine-Codes – Chevrolet – P2318 2016 Chevrolet Silverado

P2318 2016 Chevrolet Silverado Code - Ignition Coil 7 Control Circuit Low Voltage

Quick Answer

The P2318 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado specifically refers to the Ignition Coil 7 Control Circuit Low Voltage. Common causes include Faulty ignition coil, Damaged or corroded wiring in the ignition coil circuit, Malfunctioning 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
P2318 2016 Chevrolet Silverado indicates Ignition Coil 7 Control Circuit Low Voltage.
Common causes
Common causes include Faulty ignition coil, Damaged or corroded wiring in the ignition coil circuit, Malfunctioning 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 16, 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 P2318 2016 Chevrolet Silverado Description

The P2318 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado specifically refers to the Ignition Coil 7 Control Circuit Low Voltage. This code indicates that there is a problem with the control circuit for ignition coil number 7 in the engine. The ignition coil is a crucial component in the ignition system of a vehicle, responsible for converting the low voltage from the battery into the high voltage needed to ignite the fuel-air mixture in the engine cylinders. When the control circuit for this ignition coil is experiencing low voltage, it can lead to misfires, rough idling, poor acceleration, and even stalling of the engine.

OBDII Code P2318 2016 Chevrolet Silverado - Ignition Coil 7 Control Circuit Low Voltage
P2318 2016 Chevrolet Silverado Code - Ignition Coil 7 Control Circuit Low Voltage

Common Causes of P2318 2016 Chevrolet Silverado

  1. Faulty ignition coil
  2. Damaged or corroded wiring in the ignition coil circuit
  3. Malfunctioning engine control module (ECM)
  4. Poor electrical connection to the ignition coil
  5. Low battery voltage affecting the ignition coil circuit

Symptoms of P2318 2016 Chevrolet Silverado

  1. Engine misfires
  2. Rough idling
  3. Poor acceleration
  4. Stalling of the engine
  5. Illumination of the check engine light

How to Fix P2318 2016 Chevrolet Silverado

  1. Begin by diagnosing the specific cause of the low voltage in the ignition coil 7 control circuit using a diagnostic scanner to pinpoint the issue.
  2. Inspect the wiring and connections related to the ignition coil for any signs of damage, corrosion, or poor connections. Repair or replace as necessary.
  3. Test the ignition coil itself to ensure it is functioning properly. Replace the ignition coil if it is found to be faulty.
  4. Check the engine control module (ECM) for any malfunctions or errors. Reset or reprogram the ECM if needed.
  5. Clear the DTC and test drive the vehicle to ensure that the issue has been resolved and that the code does not return.

Cost to Fix P2318 2016 Chevrolet Silverado

The typical repair costs for addressing the P2318 code on a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, replacing an ignition coil can cost between $100 and $300, while diagnosing and repairing wiring or ECM issues can range from $100 to $500 or more. Labor costs at auto repair shops typically range between $80 and $150 per hour. It is advisable to check with local repair shops for a more accurate estimate based on your location and vehicle specifics.

Need more information about the P2318 2016 Chevrolet Silverado code?

Need more information on how to fix the P2318 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2318 2016 Chevrolet Silverado 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 P2318 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P2318 in a 2016 Chevrolet Silverado related to Ignition Coil 7 Control Circuit Low Voltage?

The common symptoms include rough idling, engine misfires, loss of power, and illuminated Check Engine Light.

2. What are the potential causes of OBDII code P2318 in a 2016 Chevrolet Silverado?

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

3. How can I diagnose the source of OBDII code P2318 in my 2016 Chevrolet Silverado?

You can use a diagnostic scanner to retrieve the trouble code and perform a visual inspection of the ignition coil and its wiring. Testing the ignition coil resistance and checking for continuity in the circuit can help pinpoint the issue.

4. Can I continue driving my 2016 Chevrolet Silverado with OBDII code P2318 present?

It is not recommended to drive the vehicle with a misfiring ignition coil as it can lead to further engine damage. Seek professional diagnosis and repair as soon as possible.

5. Is it possible to reset OBDII code P2318 in a 2016 Chevrolet Silverado without fixing the underlying issue?

Resetting the code without addressing the root cause will only temporarily clear the Check Engine Light. The problem will likely reoccur until the issue with the ignition coil circuit is resolved.

6. How can I repair OBDII code P2318 associated with Ignition Coil 7 Control Circuit Low Voltage in my 2016 Chevrolet Silverado?

Repair options include replacing the faulty ignition coil, repairing damaged wiring or connectors, or reprogramming the ECM if necessary.

7. Are there any preventive maintenance tips to avoid OBDII code P2318 in a 2016 Chevrolet Silverado?

Regularly inspecting the ignition system components, such as ignition coils and wiring, can help detect potential issues early and prevent the occurrence of Ignition Coil Control Circuit Low Voltage codes.

8. Can extreme weather conditions affect the likelihood of triggering OBDII code P2318 in a 2016 Chevrolet Silverado?

Extreme temperatures or moisture can potentially exacerbate issues with the ignition coil circuit, leading to a higher chance of triggering code P2318. Ensure proper maintenance and protection of the ignition system components.

9. How long does it typically take to repair OBDII code P2318 in a 2016 Chevrolet Silverado at a professional service center?

The repair time can vary depending on the specific issue causing the code. In general, diagnosing and fixing problems related to Ignition Coil 7 Control Circuit Low Voltage may take a few hours to complete.

10. Can I attempt to fix OBDII code P2318 in my 2016 Chevrolet Silverado myself, or should I seek professional help?

While some DIY enthusiasts may be able to address simple issues like replacing an ignition coil, complex problems with the circuit or ECM may require professional expertise. It's advisable to consult a qualified mechanic for accurate diagnosis and repair.

Discuss the causes and fixes for P2318 2016 Chevrolet Silverado OBDII Code

Submit a New Comment

Code P2318 2016 Chevrolet Silverado comments

No comments found for this page.