AutoCodes – Suzuki – P2315 Suzuki

P2315 Suzuki Code - Ignition Coil 6 Primary Control Circuit Low

Quick Answer

The current flow, or dwell, through the primary ignition coil is controlled by the Powertrain Control Module (PCM) by providing a switched ground path through the ignition coil driver to ground. Common causes include Faulty Ignition Coil 6, Ignition Coil 6 harness is open or shorted, Ignition Coil 6 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
P2315 Suzuki indicates Ignition Coil 6 Primary Control Circuit Low.
Common causes
Common causes include Faulty Ignition Coil 6, Ignition Coil 6 harness is open or shorted, Ignition Coil 6 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,675
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P2315 Suzuki Description

The current flow, or dwell, through the primary ignition coil is controlled by the Powertrain Control Module (PCM) by providing a switched ground path through the ignition coil driver to ground. When the ignition coil driver is switched on, current rapidly builds up to a maximum value, determined by the coil inductance and resistance. When the current is switched off, the magnetic field collapses which induces a secondary high voltage surge and the spark plug is fired. This high voltage surge creates a flyback voltage which the PCM uses as a feedback during the ignition diagnostics. The PCM continuously monitors the ignition system for concerns. The P2315 code sets when the PCM detects a short to voltage in the circuit.
OBDII Code P2315 Suzuki - Ignition Coil 6 Primary Control Circuit Low - AutoCodes.com
P2315 Suzuki Code - Ignition Coil 6 Primary Control Circuit Low

What are the Possible Causes of the DTC P2315 Suzuki?

  • Faulty Ignition Coil 6
  • Ignition Coil 6 harness is open or shorted
  • Ignition Coil 6 circuit poor electrical connection

How to Fix the DTC P2315 Suzuki?

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 P2315 Suzuki 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.

Need more information about the P2315 Suzuki code?

Need more information on how to fix the P2315 Suzuki code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2315 Suzuki 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 P2315 Suzuki Code

1. What are common symptoms of OBDII code P2315 in a Suzuki related to the Ignition Coil 6 Primary Control Circuit Low?

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

2. What are the possible causes of OBDII code P2315 in a Suzuki indicating Ignition Coil 6 Primary Control Circuit Low?

- Possible causes include a faulty ignition coil, damaged wiring or connectors, a defective Engine Control Module (ECM), or a poor electrical connection.

3. How can I diagnose the root cause of OBDII code P2315 in my Suzuki for the Ignition Coil 6 Primary Control Circuit Low?

- To diagnose the issue, you can perform a visual inspection of the ignition coil and its wiring, test the coil's resistance with a multimeter, and check for any loose or damaged connections.

4. Can driving with OBDII code P2315 related to Ignition Coil 6 Primary Control Circuit Low damage my Suzuki's engine?

- Continuing to drive with this code can potentially cause further damage to the engine, such as catalytic converter failure or permanent engine damage due to persistent misfires.

5. How can I repair OBDII code P2315 in my Suzuki for the Ignition Coil 6 Primary Control Circuit Low?

- Repair options include replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, and ensuring all electrical connections are secure and clean.

6. Is it possible to reset OBDII code P2315 in my Suzuki after repairing the issue related to Ignition Coil 6 Primary Control Circuit Low?

- Yes, after repairing the underlying problem causing the code, you can reset the code using an OBDII scanner or by disconnecting the car's battery for a few minutes.

7. Are there any preventive maintenance tips to avoid encountering OBDII code P2315 for Ignition Coil 6 Primary Control Circuit Low in my Suzuki?

- Regularly inspecting and maintaining the ignition system components, such as the ignition coils and wiring, can help prevent issues that trigger this code.

8. Can a DIY enthusiast with basic automotive knowledge resolve OBDII code P2315 related to Ignition Coil 6 Primary Control Circuit Low in a Suzuki?

- Yes, if you have basic automotive knowledge and the necessary tools, you can attempt to diagnose and repair this code. However, if unsure, it may be best to consult a professional mechanic.

9. How long does it typically take to repair OBDII code P2315 in a Suzuki caused by Ignition Coil 6 Primary Control Circuit Low?

- The repair time can vary depending on the exact cause of the code and the expertise of the person performing the repair. It can range from a few hours to a day for more complex issues.

10. Are there any recalls or technical service bulletins related to OBDII code P2315 in Suzuki vehicles with issues regarding Ignition Coil 6 Primary Control Circuit Low?

- Check with the manufacturer or authorized Suzuki service centers to inquire about any recalls or technical service bulletins related to this specific OBDII code to see if your vehicle is affected.

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