DTC Description
WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
PCM sets DTC P026300, If it detects imbalance of Air/Fuel correction in #1 cylinder.
PCM sets DTC P026600, If it detects imbalance of Air/Fuel correction in #2 cylinder.
PCM sets DTC P026900, If it detects imbalance of Air/Fuel correction in #3 cylinder.
PCM sets DTC P0272-00 if it detects imbalance of Air/Fuel correction in #4 cylinder.
PCM sets DTC P0449-00 if the fuel tank pressure is lower than -3, 500 Pa, PCM determines than the CCV (Canister Close Valve) is stuck close.