P0352
Ignition Coil "B" Primary/Secondary Circuit Malfunction (Cylinder 2)
An electrical fault has been detected in the ignition coil circuit for cylinder 2 — open primary winding, short to ground, or short to supply. The ECU disables the coil to protect its driver and the cylinder misfires.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: easy
Common causes
Ordered by how often each turns out to be the cause.
- Coil primary winding open or shortedCommon
- Wiring or connector faultPossible
Parts involved
- Ignition Coil
- Ignition Coil Wiring
P0352 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.