The DTC code P0354 in a Kia vehicle is a sign that the onboard computer has registered the following anomaly:
"Ignition Coil C Primary/Secondary Circuit Malfunction"
Although this is a standardized OBD2 code, the symptoms and the location of the faulty sensor can vary depending on the exact model of your Kia (year, engine type, etc).
Instead of changing parts blindly, use the CarWatch AI assistant. Scan your Kia's sensors in real-time and find out the root cause of the P0354 fault before going to the shop.
👉 Diagnose my Kia for FreeTo clear the engine light and read the P0354 code from your phone, you need an OBD2 adapter compatible with the Kia ECU.
🛒 View Compatible Scanner on Amazon