OBD codes / P0356
P0356
SeriousIgnition Coil F Primary/Secondary Circuit (Cylinder 6)
Address promptly — can worsen or affect drivability.
Likely causes
- faulty ignition coil on cylinder 6
- coil wiring or connector fault
- driver circuit problem
Common fixes
- replace the cylinder 6 ignition coil
- inspect the coil wiring and connector
Seeing P0356 on your car? Get a diagnosis specific to your exact year, make and model.
Diagnose P0356 for my vehicleGeneric OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.