Engine-Codes.com
Engine-Codes – Dodge – P2312 Dodge

P2312 Dodge Code - Ignition Coil 'E' Primary Control Circuit Low

Quick Answer

The P2312 diagnostic trouble code for Dodge vehicles indicates that there is a problem with the ignition coil 'E' primary control circuit, specifically that the voltage in this circuit is lower than the expected value. Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Corrosion or poor connection at the ignition coil. 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
P2312 Dodge indicates Ignition Coil 'E' Primary Control Circuit Low.
Common causes
Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Corrosion or poor connection at the ignition coil.
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 06, 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 P2312 Dodge Description

The P2312 diagnostic trouble code for Dodge vehicles indicates that there is a problem with the ignition coil 'E' primary control circuit, specifically that the voltage in this circuit is lower than the expected value. The ignition coil is a crucial component in the ignition system, responsible for converting the low voltage from the battery into the high voltage needed to create a spark for ignition. When the primary control circuit is not functioning correctly, it can lead to misfires, rough idling, and poor acceleration. Ignoring this issue can potentially cause damage to other engine components over time.

OBDII Code P2312 Dodge - Ignition Coil 'E' Primary Control Circuit Low
P2312 Dodge Code - Ignition Coil 'E' Primary Control Circuit Low

Common Causes of P2312 Dodge

  1. Faulty ignition coil
  2. Damaged wiring or connectors in the ignition coil circuit
  3. Corrosion or poor connection at the ignition coil
  4. Issues with the Engine Control Module (ECM)
  5. Electrical issues such as a short circuit or open circuit in the ignition coil circuit

Symptoms of P2312 Dodge

  1. Engine misfires
  2. Rough idling
  3. Decreased fuel efficiency
  4. Difficulty starting the vehicle
  5. Illumination of the Check Engine Light

How to Fix P2312 Dodge

  1. Begin by inspecting the wiring and connectors in the ignition coil circuit for any damage or corrosion.
  2. Test the ignition coil using a multimeter to check for proper resistance and voltage output.
  3. Replace the ignition coil if it is found to be faulty.
  4. Clear the error code from the vehicle's ECM using an OBD-II scanner.
  5. Test drive the vehicle to ensure the issue has been resolved and the Check Engine Light does not reappear.

Cost to Fix P2312 Dodge

The cost of repairing the ignition coil 'E' primary control circuit low issue can vary depending on the make and model of the vehicle, the cost of the replacement ignition coil, and the labor rates at the repair shop. On average, the parts for an ignition coil replacement can range from $50 to $200, while the labor costs can be anywhere from $100 to $300. Overall, the total repair cost can be estimated to be between $150 to $500. It is recommended to get quotes from multiple repair shops to find the best price for this repair.

Need more information about the P2312 Dodge code?

Need more information on how to fix the P2312 Dodge code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2312 Dodge 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 P2312 Dodge Code

1. What are the common symptoms of OBDII code P2312 Dodge related to the Ignition Coil 'E' Primary Control Circuit Low?

- Common symptoms include engine misfires, rough idling, decreased fuel efficiency, and illuminated Check Engine light.

2. What are the possible causes of OBDII code P2312 Dodge indicating Ignition Coil 'E' Primary Control Circuit Low?

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

3. How can I diagnose the cause of OBDII code P2312 Dodge for the Ignition Coil 'E' Primary Control Circuit Low?

- Use a diagnostic scanner to read the code and perform a visual inspection of the ignition coil and related wiring. Test the ignition coil and inspect for any signs of damage.

4. Can I still drive my vehicle with OBDII code P2312 Dodge for Ignition Coil 'E' Primary Control Circuit Low?

- It is not recommended to drive your vehicle extensively with this code present, as it can lead to further engine damage and potential safety issues.

5. What are the repair options for resolving OBDII code P2312 Dodge related to Ignition Coil 'E' Primary Control Circuit Low?

- Repair options include replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, and resetting the ECM after completing the repairs.

6. Are there any DIY tips for addressing OBDII code P2312 Dodge for Ignition Coil 'E' Primary Control Circuit Low?

- DIY enthusiasts can start by checking for loose or damaged wiring connections, inspecting the ignition coil for damage, and clearing the code to see if it returns.

7. How urgent is it to address OBDII code P2312 Dodge indicating Ignition Coil 'E' Primary Control Circuit Low?

- It is important to address this code promptly to prevent potential engine damage, poor performance, and safety hazards while driving.

8. Is it possible for a loose gas cap to trigger OBDII code P2312 Dodge for Ignition Coil 'E' Primary Control Circuit Low?

- No, a loose gas cap is not related to this specific OBDII code. The issue lies within the ignition coil control circuit and requires a different diagnostic approach.

9. Can extreme weather conditions or temperature changes cause OBDII code P2312 Dodge for Ignition Coil 'E' Primary Control Circuit Low to appear?

- While extreme weather conditions may not directly cause this code, they can exacerbate existing issues with the ignition coil or wiring, leading to the code being triggered.

10. How much can I expect to pay for professional repairs related to OBDII code P2312 Dodge for Ignition Coil 'E' Primary Control Circuit Low?

- The cost of professional repairs can vary depending on the specific cause, but it may range from $100 to $300 for parts and labor, excluding diagnostic fees.

Discuss the causes and fixes for P2312 Dodge OBDII Code

Submit a New Comment

Code P2312 Dodge comments

No comments found for this page.