AutoCodes – Buick – P2313 Buick

P2313 Buick Code - Ignition Coil 5 Control Circuit High Voltage

Quick Answer

The ignition system on this engine uses ignition coils with integrated power transistors. Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 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: P2313 Buick indicates Ignition Coil 5 Control Circuit High Voltage.
Common causes: Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 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 461

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 31, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2313 Buick Description

The ignition system on this engine uses ignition coils with integrated power transistors. The Engine Control Module (ECM) controls the spark event for each cylinder through individual ignition coil control circuits. When the ECM commands the ignition control circuit On, electrical current flows through the primary winding of the ignition coil, creating a magnetic field. When a spark event is requested, the ECM commands the ignition control circuit Off, interrupting current flow through the primary winding. The collapsing magnetic field created by the primary winding induces a high voltage in the secondary winding, which is connected to the spark plugs. The Diagnostic Trouble Code (DTC) will be set when the control circuit commanded by the ECM state does not match the actual state.

OBDII Code P2313 Buick - Ignition Coil 5 Control Circuit High Voltage - AutoCodes.com — P2313 Buick Code - Ignition Coil 5 Control Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P2313 Buick?

Faulty Ignition Coil 5
Ignition Coil 5 harness is open or shorted
Ignition Coil 5 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P2313 Buick?

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 P2313 Buick 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.

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Need Help with the Code?

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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.

Frequently Asked Questions about P2313 Buick Code

What does the OBDII code P2313 mean for my Buick?

The OBDII code P2313 indicates a high voltage issue in the control circuit of ignition coil number 5, which can lead to misfires and poor engine performance.

What are the common symptoms associated with the P2313 code?

Common symptoms include engine misfires, rough idle, reduced fuel efficiency, stalling, and the illumination of the Check Engine Light.

What could cause the P2313 code to trigger?

Causes may include a faulty ignition coil, damaged wiring or connectors in the ignition circuit, a problem with the engine control module (ECM), or issues with other ignition components.

How can I diagnose the P2313 code?

To diagnose this code, start by visually inspecting the ignition coil, wiring, and connectors for damage. Use a multimeter to check the voltage and resistance of the ignition coil, and consider running a diagnostic scan to check for related codes.

What are some recommended repair tips for fixing the P2313 code?

If the ignition coil is faulty, replacing it is often necessary. Additionally, repair any damaged wiring or connectors, and ensure that the ECM is functioning properly. Clear the code and test drive the vehicle to see if the issue persists.

Is it safe to drive my Buick with the P2313 code?

While it may be possible to drive the vehicle, it is not recommended due to the potential for engine misfires, which can cause further damage to the engine and emissions system.

How much does it typically cost to repair the P2313 code?

Repair costs can vary widely depending on the specific issue, but replacing an ignition coil usually ranges from $100 to $300, including parts and labor.

Can the P2313 code cause long-term damage to my engine?

Yes, if left unaddressed, the high voltage issue can lead to more severe problems, such as damaged spark plugs, catalytic converter failure, or additional ignition system component failures.

What should I do if the P2313 code keeps coming back after repairs?

If the code reappears, consider having a professional technician perform a thorough diagnostic check to identify any underlying issues, such as a malfunctioning ECM or persistent wiring problems.