6.7L – Illuminated MIL With DTC P1674 – 2020-2022 Ford F-Super Duty
NHTSA ID Number: 10230950 Manufacturer Communication Number: SSM 51316 Summary Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P1674 stored in the transmission control module (TCM). This may be due to a discharged battery and/or low battery state of charge. Before performing … Read more