Lack Of Power And/Or An Illuminated MIL With DTC P1228 – Supercharger Drive Assembly Lower Level Service Part – 2020-2021 Ford Mustang GT500

2021 Ford Mustang Shelby GT500

NHTSA ID Number: 10209027 Manufacturer Communication Number: SSM 50578 Summary Some 2020-2021 Mustang GT500 vehicles may exhibit a lack of power and/or an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P1228. This may be due to the one-way clutch on the supercharger drive assembly. With the supercharger belt removed, a failed one-way clutch within … Read more