OBD codes / P0359
P0359
SeriousIgnition Coil I Primary/Secondary Circuit (Cylinder 9)
Address promptly — can worsen or affect drivability.
Likely causes
- faulty ignition coil on cylinder 9
- coil wiring or connector fault
- driver circuit problem
Common fixes
- replace the cylinder 9 ignition coil
- inspect the coil wiring and connector
Seeing P0359 on your car? Get a diagnosis specific to your exact year, make and model.
Diagnose P0359 for my vehicleGeneric OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.