6.7L – Illuminated MIL With Various NOx System DTCs – 2023 Ford F-Super Duty

2023 Ford F-Super Duty

NHTSA ID Number: 10239482 Manufacturer Communication Number: SSM 51791 Summary Some 2023 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) U029D, U029E, U02A1, U02A3, P2209, P24D0, P22A7, and/or P23B5. This may be due to a wiring chafe on harness 14406 near connector C146 touching … Read more