Some 2013-2019 Fusion/MKZ and 2013-2018 C-Max vehicles with 2.0L HEV/PHEV engine may exhibit multiple drivability or electrical concerns with one or more diagnostic trouble codes, being the most common P26C3, P26CA, P26D0, P2800, P2802, U019F and U0284. On Fusion/MKZ inspect connectors C146, C1651, C1812, C168C, C1717 and C134 for signs of water entry or corrosion. On C-Max, inspect connectors C134, C140, C144, C1651, C1717 and C1812 and service as necessary. NOTE: Connector C1717 is only equipped on PHEVs for both Fusion and C-Max.