TSB19-2158

Some 2017-2019 Fusion Hybrid/Fusion Energi/MKZ Hybrid and 2017-2018 C-Max vehicles built on or before 27-Jan-2019 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P013A stored in the powertrain control module (PCM). This may be due to downstream oxygen sensor parameters in the PCM software. To correct the condition, follow the Service Procedure to update the PCM software.