What does code P0352 mean on a Honda and is it safe to drive?
P0352: Ignition Coil B Primary/Secondary Circuit Malfunction. Here's what it means on your Honda, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
What this code means
The PCM detected a fault in the primary or secondary circuit of ignition coil B (cylinder 2 coil). Causes, symptoms, and fixes are the same as P0351 but affect cylinder 2.
Common causes for your Honda
- Failed ignition coil on cylinder 2
- Fouled or worn spark plug on cylinder 2
- Damaged coil wiring or connector
- Faulty PCM driver circuit
Symptoms
- Check Engine Light on or flashing
- Rough idle / misfire on cylinder 2
- Reduced power and fuel economy
Typical fixes
- Replace ignition coil for cylinder 2
- Replace spark plug on cylinder 2
- Inspect coil wiring harness
Repair cost range
For a Honda, repairs for P0352 often fall between $80 and $300, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.
Known issues on Honda
Honda P0352 on K-series engines points to a failed coil on cylinder 2. Swap the coil with a known-good cylinder to confirm; if the misfire follows the coil, replace it along with the cylinder 2 spark plug.
Most commonly affected models