P2307 Fault Code

Ignition Coil C Primary Control Circuit High

• What does that mean?
• Symptoms
• Causes
• Solutions

The P2307 fault code indicates a problem with the ignition coil C primary control circuit, specifically that the circuit is experiencing a high voltage condition. This can lead to improper engine performance and failure to start.

What are the symptoms of the P2307 code?

Drivers may experience a variety of symptoms, such as:

• Engine misfires
• Rough idling
• Increased fuel consumption
• Difficulty starting the engine
• Illuminated check engine light.

What causes the P2307 code?

Several factors can cause this issue, including:

• Faulty ignition coil
• Damaged wiring or connectors in the ignition circuit
• Malfunctioning Engine Control Module (ECM)
• Poor grounding or electrical issues in the vehicle's wiring system.

How to fix P2307?

To resolve the P2307 fault code, follow these steps:

• Inspect the ignition coil C for any visible damage and replace it if necessary.
• Check the wiring and connectors for corrosion, breaks, or loose connections, and repair or replace as needed.
• Test the ECM for proper function, and replace it if found to be faulty.
• Ensure proper grounding for the ignition components to eliminate electrical issues.