Volkswagen: update programming, TCM, harsh downshift after extended highway driving
Volkswagen technical service bulletin TB-01-09-20 for 2007 Volkswagen Passat.
- Bulletin number
- TB-01-09-20
- Component
- Electrical system: software
- Summary
- Volkswagen: update programming, TCM, harsh downshift after extended highway driving. Internal transmission pressure decrease in c1 clutch due to accumulated air in the c1 oil circuit.
Owners of these vehicles have filed 34 complaints in the electrical category.
Vehicles covered
- Volkswagen Passat 2007 2007
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