P2322 Fault Code

Ignition Coil H Primary Control Circuit High

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

The P2322 fault code refers to an issue with the primary control circuit of the ignition coil H, indicating that the circuit is experiencing a high voltage condition. This can lead to misfire issues and may prevent the engine from starting properly.

What are the symptoms of the P2322 code?

Symptoms associated with the P2322 code may include:

• Engine misfires
• Difficulty starting the engine
• Rough idling
• Reduced engine power
• Poor fuel economy
• Check Engine Light (CEL) illumination.

What causes the P2322 code?

A high voltage in the ignition coil primary circuit can be caused by several factors:

• Faulty ignition coil
• Short circuit in the wiring harness
• Malfunctioning Engine Control Module (ECM)
• Poor electrical connections
• High resistance in the circuit due to wear or corrosion.

How to fix P2322?

To resolve the P2322 fault code, follow these steps:

1. Inspect the ignition coil H for any visible damages or signs of wear.
2. Check the wiring and connectors for shorts, breaks, or corrosion.
3. Test the resistance of the ignition coil; replace it if it's outside the recommended specifications.
4. Ensure all electrical connections are secure and free of corrosion.
5. Clear the fault code and test drive the vehicle to see if the code returns.