2014 VW Polo 1.4 TDi - Error P0040

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2014 VW Polo 1.4 TDi - Error P0040


hello, in this car the engine light comes on with error COD P0040 TURBO COMPRESSOR REGULATION UNIT 1 INCORRECTED and the car goes into protection, I cancel the error I test it on the road and the car goes very well, the light does not come on immediately even after a day of testing and everything is perfect, then you take it back to test it, you drive 2km and the warning light comes on, how can you drive 500km and nothing comes on, in the car all the sensors have been replaced, all the piping has been checked, the turbine has been replaced, the car has the fap abolition file but the original file has been put on to see if it was a file problem

Number plate - ew855xt -
Brand - VW -
Model - POLO V (6R-6C) MY14 -
Year – 2014 –
Displacement – 1400 –
Power supply - D -
kW – 55 –
Engine Code - CYZB -

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