Services · ECU file service

TVA / swirl flaps off: intake flap and throttle actuator monitoring in the ECU

Many diesel engines have swirl flaps in the intake manifold and a throttle valve actuator (TVA) that the ECU controls and monitors. Swirl flap spindles wear, the actuators fail, and on some engines a broken flap can be swallowed by the engine. Workshops often remove or blank the flaps — after that the ECU must stop monitoring them.

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Typical problems

Worn or broken swirl flaps — risk of serious engine damage.
Failed swirl or TVA actuator / position sensor — P2004–P2015, P02E0–P02E9 and similar.
Limp mode after flap removal because the ECU still expects movement.

What we do in the file

Swirl flap control and monitoring disabled after mechanical removal or blanking.
TVA (intake throttle) monitoring disabled or adapted where the part is removed.
Related DTCs removed; engine maps unchanged unless Stage 1 is ordered.

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Supported vehicles

BMW, Mercedes, VAG, Ford, PSA, Renault, Fiat, Opel and other diesel engines with Bosch EDC16/EDC17/MD1, Siemens/Continental SID, Delphi DCM and others.

How to order

Register in the AUTO-REMAP file service, upload the original read of the ECU, tick TVA / swirl / flaps together with any other options you need, and download the modified file — usually within minutes, complex ECUs within working hours. Checksums are corrected automatically.

Not sure your ECU is supported? Check your vehicle in the tuning catalog, look up truck and machine software in the solutions database, or write to us in any messenger.