What usually causes it
- A failed ignition coil
- A loose or rusty plug on the coil
- A worn spark plug that strains the coil
- Damaged wiring
P0352Starts at: Get it checked this week
Ignition coil B circuit problem
An ignition coil makes the high voltage spark that lights the fuel in a cylinder. The computer found an electrical problem with coil B, and the letter does not always match the cylinder number.
Check this first
Unplug the connector on the coil and plug it back in firmly. Old spark plugs often wear out coils, so check when they were last changed.
What to watch for
- A flashing check engine light means a bad misfire. Stop driving as soon as you safely can
- Shaking, stumbling or weak power
- A rotten egg smell from the exhaust
Can I keep driving?
We rate P0352 as Get it checked this week. It is not an emergency yet, but it can get worse. If the light starts flashing, stop driving soon.
Quick answers about P0352
What does P0352 mean?
Ignition coil B circuit problem. An ignition coil makes the high voltage spark that lights the fuel in a cylinder. The computer found an electrical problem with coil B, and the letter does not always match the cylinder number.
Can I keep driving with P0352?
We rate P0352 as Get it checked this week. It is not an emergency yet, but it can get worse. If the light starts flashing, stop driving soon.
What usually causes P0352?
The most common causes, in order: A failed ignition coil; A loose or rusty plug on the coil; A worn spark plug that strains the coil; Damaged wiring.
Estimates only. A mechanic should confirm. The same code can mean slightly different things on different cars; the app explains it for your exact year, make, model and mileage.