OBD codes / P0357
P0357
SeriousIgnition Coil G Primary/Secondary Circuit (Cylinder 7)
Address promptly — can worsen or affect drivability.
Likely causes
- faulty ignition coil on cylinder 7
- coil wiring or connector fault
- driver circuit problem
Common fixes
- replace the cylinder 7 ignition coil
- inspect the coil wiring and connector
Seeing P0357 on your car? Get a diagnosis specific to your exact year, make and model.
Diagnose P0357 for my vehicleGeneric OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.