P0352 Fault Code

Ignition Coil B Primary/Secondary Circuit Malfunction

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

The P0352 code indicates that there is a malfunction in the ignition coil B's primary or secondary circuit. This could lead to issues with engine performance as the ignition coil is responsible for providing the necessary spark for combustion. An underlying problem could be related to wiring, connectors, or the ignition coil itself.

What are the symptoms of the P0352 code?

• Engine misfire or rough idling
• Reduced engine performance or acceleration problems
• Check Engine Light (CEL) illumination
• Increased fuel consumption
• Difficulty starting the engine

What causes the P0352 code?

• Faulty ignition coil B
• Damaged wiring or connectors in the ignition circuit
• Short circuit or open circuit in the ignition coil circuit
• Faulty Engine Control Module (ECM)
• Poor electrical connections

How to fix P0352?

• Inspect the ignition coil B for any visible damage or wear.
• Check for any damaged wiring or poor connections in the ignition coil circuit.
• Perform a resistance test on the ignition coil to ensure it meets specifications.
• Replace the faulty ignition coil if necessary.
• Clear the trouble codes from the ECM and test drive the vehicle to see if the code returns.