TSB: SERVICE ACTION: A/C REFRIGERANT OVERFILL (SA372) - This bulletin provides the procedure to recover and recharge the air conditioning system on certain 2019MY Niro Hybrid (DE HEV) and Niro Plug-in Hybrid (DE PHEV) vehicles, produced from July 9, 2018 through December 21, 2018, which may experience poor air conditioning performance due to a possible overfill of refrigerant.