P2320 P2320 code definition Ignition Coil G Secondary Circuit What the P2320 code means P2320 is an OBD-II generic code for the engine control module (ECM) (https://www.yourmechanic.com/article/what-is-a-vehicle-s-electrical-control-unit) detecting ignition coil G or 7 secondary circuit having low ionization. This means...
