TSB 18-2371

Some 2017-2018 F-Super Duty vehicles equipped with a 6.7L engine built on or before 18-Apr-2018 may exhibit an illuminated malfunction indicator lamp (MIL) with DTC P244A and/or P2452. This may be due to a malfunction of the diesel particulate filter (DPF) differential pressure sensor. Follow the Service Procedure steps to correct the condition.