P0359 Fault Code

Ignition Coil I Primary/Secondary Circuit Malfunction

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

The P0359 fault code indicates a problem with the ignition coil I primary/secondary circuit malfunction. This can lead to issues in engine performance and misfiring due to ineffective ignition of the air-fuel mixture. It is essential to address this issue promptly to maintain optimal vehicle operation.

What are the symptoms of the P0359 code?

Symptoms of a P0359 fault code may involve:

• Engine misfires or hesitation
• Poor fuel economy
• Rough idle
• Illuminated check engine light
• Difficulty starting the vehicle

What causes the P0359 code?

Common causes of the P0359 code include:

• Faulty ignition coil I
• Shorted or open circuit in the ignition coil wiring
• Bad ignition control module
• Corroded or damaged connectors
• Engine control unit (ECU) malfunction

How to fix P0359?

To resolve the P0359 fault code, the following steps can be taken:

• Inspect and test the ignition coil I for proper operation.
• Check the wiring and connectors for any damage or corrosion and repair as necessary.
• Replace the ignition coil if defective.
• Clear the trouble codes and retest the vehicle to see if the issue persists.