SSM 48489

Service Bulletin Details

Public Details for: SSM 48489

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 (


- 2020 -

Models from 2020
2020 FORD F-250 SD
2020 FORD F-350 SD
2020 FORD F-450 SD
2020 FORD F-550 SD 
SSM 48489 - 2020 F-Super Duty - 6.7L - Illuminated MIL DTC P203B Engineering Investigation
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

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