Illuminated malfunction indicator lamp (MIL) and diagnostic trouble code (DTC) P203B. If performing...
Ford technical service bulletin SSM 48489 for 2020 Ford F-250 SD, 2020 Ford F-350 SD and 2020 Ford F-450 SD and others.
- Bulletin number
- SSM 48489
- Component
- Electrical system
- Summary
- Some 2020 F-Super Duty vehicles equipped with 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) and diagnostic trouble code (DTC) P203B. If performing pinpoint test RJ in the Powertrain Control and Emission Diagnosis (PC/ED) does not identify an issue, do not attempt any repairs at this time. Engineering is currently investigating. Monitor OASIS for updates.
Owners of these vehicles have filed 38 complaints in the electrical 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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