P0352 — Ignition Coil B Primary/Secondary Circuit Malfunction
Category: Powertrain Severity: High
Updated:
DTC code P0352 means: Ignition Coil B Primary/Secondary Circuit Malfunction. It falls under the "Powertrain" category, with an estimated severity of High. Common causes include failed cylinder 2 coil, loose connector and damaged wiring; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Failed cylinder 2 coil
- Loose connector
- Damaged wiring
- ECU fault
Symptoms
- Misfires
- Loss of power
- Check engine light
How to diagnose it step by step
- Check the connector.
- Swap coils.
- Check the wiring.
- Replace the coil.
How to fix it
Swap coil B with another to confirm. Replace the coil if the fault follows it.
Estimated repair cost
$60–220 installed.
Frequently asked questions
What does DTC code P0352 mean?
Ignition Coil B Primary/Secondary Circuit Malfunction.
Is code P0352 serious?
Severity High. Have it checked as soon as possible, especially if it affects safety or the catalytic converter.
Can I keep driving with code P0352?
Avoid it if the light is flashing.
Related codes
P0351 P0353 P0354 P0355 P0356 P0345 P0344 P0341 P0340 P0365
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