Illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P27B4 stored in the...
Ford technical service bulletin TSB 20-2074 for 2020 Ford F-250 SD, 2020 Ford F-350 SD and 2020 Ford F-450 SD and others.
- Bulletin number
- TSB 20-2074
- Component
- Power train
- Summary
- Some 2020 F-Super Duty vehicles equipped with a 6.2L/7.3L gas engine and 10R140 transmission built on or before 5-Dec-2019 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P27B4 stored in the powertrain control module (PCM). This may be due to various strategies within the PCM software. To correct the condition, follow the Service Procedure to reprogram the PCM.
Owners of these vehicles have filed 133 complaints in the transmission category.
Vehicles covered
- Ford F-250 SD 2020 2020
- Ford F-350 SD 2020 2020
- Ford F-450 SD 2020 2020
- Ford F-550 SD 2020 2020
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