Under this service action, updated engine control module (ECM) software will be installed to provide...
Volkswagen technical service bulletin Circular 24TT for 2026 Volkswagen Tiguan.
- Bulletin number
- Circular 24TT
- Component
- Engine
- Summary
- Under this service action, updated engine control module (ECM) software will be installed to provide robustness improvements to the ECM calibration for the turbocharger variable turbine geometry (VTG) actuator endpoints. This has no impact on vehicle emissions.
Owners of these vehicles have filed 15 complaints in the engine category.
Vehicles covered
- Volkswagen Tiguan 2026 2026
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