OBD code P0352 indicates: Ignition Coil B Primary/Secondary Circuit Malfunction
| description | |
|---|---|
| P | powertrain |
| 0 | generic (not manufacturer specific) |
| 3 | ignition system |
| 5 | unknown |
| 2 | cylinder 2 |
Note the position of cylinder 2 on the below graph.
For more information about this code, see this helpful article from identifix.com.
A defective ignition coil is generally considered the most common cause of this error. However, ignition coils can fail due to bad spark plugs. Try swapping the suspect coil to a different cylinder to rule out spark plugs and faulty wiring. Check out how-to-replace-spark-plugs-on-a-toyota-2gr-fe on how to change spark plugs (and consequently ignition coils).