Update Programming of Engine/Motor Control Module J623 and replacement of FTIV if necessary.
Volkswagen technical service bulletin V0123122072378_2 for 2020-2021 Volkswagen Jetta.
- Bulletin number
- V0123122072378_2 (4D14)
- Component
- Fuel/propulsion system
- Summary
- Update Programming of Engine/Motor Control Module J623 and replacement of FTIV if necessary.
Owners of these vehicles have filed 16 complaints in the fuel system category.
Vehicles covered
- Volkswagen Jetta 2020-2021 20202021
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