Engine-CodesGeneric – P2310

P2310 Code - Ignition Coil 'D' Primary Control Circuit High

Quick Answer

The diagnostic trouble code (DTC) P2310 indicates that there is a problem with the ignition coil 'D' primary control circuit being high. Common causes include Faulty ignition coil 'D', Damaged or corroded wiring or connectors 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
P2310 indicates Ignition Coil 'D' Primary Control Circuit High.
Common causes
Common causes include Faulty ignition coil 'D', Damaged or corroded wiring or connectors 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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P2310 Description

The diagnostic trouble code (DTC) P2310 indicates that there is a problem with the ignition coil 'D' primary control circuit being high. The ignition coil is a crucial component in the vehicle's ignition system, responsible for converting the low voltage from the battery into the high voltage needed to ignite the fuel mixture in the engine cylinders. The primary control circuit refers to the circuit that controls the flow of electrical current to the ignition coil. When this circuit is reading as high, it means that there is an issue with the electrical signal being sent to the ignition coil.

OBDII Code P2310 - Ignition Coil 'D' Primary Control Circuit High
P2310 Code - Ignition Coil 'D' Primary Control Circuit High

Common Causes of P2310

  1. Faulty ignition coil 'D'
  2. Damaged or corroded wiring or connectors in the ignition coil circuit
  3. Malfunctioning engine control module (ECM)
  4. Failed spark plug associated with ignition coil 'D'
  5. Electrical issues in the vehicle's wiring system

Symptoms of P2310

  1. Engine misfires
  2. Rough idling or shaking while driving
  3. Decreased fuel efficiency
  4. Illumination of the Check Engine Light
  5. Stalling of the engine

How to Fix P2310

  1. Begin by diagnosing the specific cause of the issue using a scan tool to read the DTC and identify the faulty component.
  2. Inspect the wiring and connectors in the ignition coil 'D' circuit for any damage or corrosion. Replace or repair as necessary.
  3. Test the ignition coil 'D' and spark plug associated with it to ensure they are functioning correctly. Replace any faulty components.
  4. Clear the DTC and reset the Check Engine Light using the scan tool.
  5. Test drive the vehicle to ensure the issue has been resolved and that the symptoms associated with the code have been eliminated.

Cost to Fix P2310

The typical repair costs for addressing an ignition coil 'D' primary control circuit high issue can range from $100 to $300, depending on the specific cause of the problem and the cost of replacement parts. This estimate includes parts and labor. It's important to note that prices can vary based on factors such as location, vehicle make and model, and the labor rates of the auto repair shop. Always consult with a professional mechanic for an accurate cost estimate specific to your vehicle and situation.

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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.

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