6.7L – Illuminated MIL And DTCs P20E8 And/Or P208B – 2021-2022 Ford F-Super Duty/F-650/F-750
NHTSA ID Number: 10200739 Manufacturer Communication Number: TSB 21-2257 Summary Some 2021-2022 F-Super Duty/F-650/F-750 vehicles equipped with a 6.7L engine and built on or after 15-Apr-2021, with less than 300 miles (483 km), may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P20E8 and/or P208B stored in the powertrain control module (PCM). …