AutoCodes – Lincoln – P2308 Lincoln

P2308 Lincoln Code - Ignition Coil 'C' Secondary Circuit

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 'C', Ignition Coil 'C' harness is open or shorted, Ignition Coil 'C' 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
P2308 Lincoln indicates Ignition Coil 'C' Secondary Circuit.
Common causes
Common causes include Faulty Ignition Coil 'C', Ignition Coil 'C' harness is open or shorted, Ignition Coil 'C' 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 1,280
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 P2308 Lincoln 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 P2308 code sets when the PCM detects a short to voltage in the circuit.
OBDII Code P2308 Lincoln - Ignition Coil 'C' Secondary Circuit - AutoCodes.com
P2308 Lincoln Code - Ignition Coil 'C' Secondary Circuit

What are the Possible Causes of the DTC P2308 Lincoln?

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

How to Fix the DTC P2308 Lincoln?

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 P2308 Lincoln 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 P2308 Lincoln code?

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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 P2308 Lincoln Code

1. What are the common symptoms of OBDII code P2308 in a Lincoln related to the Ignition Coil 'C' Secondary Circuit?

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

2. What are the possible causes of OBDII code P2308 in a Lincoln, specifically related to the Ignition Coil 'C' Secondary Circuit?

- The code can be triggered by a faulty ignition coil 'C', damaged wiring or connectors in the secondary circuit, or issues with the Engine Control Module (ECM).

3. How can I diagnose the Ignition Coil 'C' Secondary Circuit issue causing OBDII code P2308 in my Lincoln?

- Diagnosis typically involves using a multimeter to test the ignition coil 'C', inspecting the wiring and connectors for any damage, and checking for any other related issues.

4. Can I still drive my Lincoln with OBDII code P2308 related to the Ignition Coil 'C' Secondary Circuit?

- It is not recommended to drive your vehicle with this code present, as it can lead to further damage and potential safety hazards. It's best to address the issue promptly.

5. What are some repair tips for fixing OBDII code P2308 in a Lincoln caused by the Ignition Coil 'C' Secondary Circuit?

- Repair tips include replacing the faulty ignition coil 'C', repairing any damaged wiring or connectors, and resetting the ECM after the repair is completed.

6. Are there any common mistakes to avoid when dealing with OBDII code P2308 related to the Ignition Coil 'C' Secondary Circuit in a Lincoln?

- Avoid replacing components without proper diagnosis, neglecting to check the entire secondary circuit for issues, and ignoring other potential underlying problems.

7. How much does it typically cost to repair OBDII code P2308 in a Lincoln due to issues with the Ignition Coil 'C' Secondary Circuit?

- The cost can vary depending on the specific cause of the issue, but it may involve expenses for parts, labor, and diagnostic fees. It's advisable to consult a professional for an accurate estimate.

8. Can a DIY enthusiast with some automotive experience fix OBDII code P2308 related to the Ignition Coil 'C' Secondary Circuit in a Lincoln?

- Depending on the individual's skill level, diagnosing and repairing this issue may be possible for a DIY enthusiast. However, it's crucial to have the necessary tools and knowledge to avoid complications.

9. Is it necessary to reset the Check Engine Light after repairing OBDII code P2308 in a Lincoln caused by the Ignition Coil 'C' Secondary Circuit?

- Yes, it is recommended to reset the Check Engine Light using an OBDII scanner after resolving the issue to ensure that the ECM recognizes the repair and the code does not reappear.

10. How can I prevent OBDII code P2308 related to the Ignition Coil 'C' Secondary Circuit from occurring in my Lincoln in the future?

- Regular maintenance, such as inspecting and replacing ignition components as needed, keeping electrical connections clean and secure, and addressing any engine performance issues promptly, can help prevent this code from reoccurring.

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