In all of the affected vehicles, the AWD module was assembled with an incorrect transistor that controls...
Ford technical service bulletin 21B19 for 2020 Ford Escape, 2021 Ford Bronco Sport and 2021 Lincoln Corsair.
- Bulletin number
- 21B19
- Component
- Electrical system
- Summary
- In all of the affected vehicles, the AWD module was assembled with an incorrect transistor that controls the transition between AWD and 2WD. When this transistor fails the vehicle will remain in either AWD or 2WD and not transition between the drive states. This can cause the wrench light to illuminate in the instrument cluster.
Owners of these vehicles have filed 379 complaints in the electrical category.
Vehicles covered
- Ford Escape 2020 2020
- Ford Bronco Sport 2021 2021
- Lincoln Corsair 2021 2021
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