L-SB-0048-19

TSB: Some 2020 model year NX300h vehicles equipped with a 2AR-FXE engine may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P013A (Oxygen Sensor Slow Response ? Rich to Lean Bank 1 Sensor 2). This condition may be caused by a leak from the exhaust manifold to front pipe donut gasket. Follow the Repair Procedure in this bulletin to address this condition.