6.7L – Illuminated MIL DTC P203B – 2020 Ford F-Super Duty
NHTSA ID Number: 10170981 Manufacturer Communication Number: SSM 48489 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 … Read more