Dynamic drive Problem

    Hi. I have Problem with my E61. Last sunday and yesterday popd up malfunction dynamic drive on yellow color. After diagnose with inpa error code 5D5C. I tried startup procedure but not finished properly. After 2-3 swings procedure go off. Then i tried one more time and after start procedure cannot learn pressure sensor rear axle. In ECU stored 5d55 error.


    On ideling pressure on front oscilate 2-3 bars, on rear is 0 bar. When is only igniton on pressure on front 0 bar and voltage 618 mV, but on rear 0 bar and voltage oscilate near 1V.


    Should I replace pressure sensor rear axle?



    Please help, MfG Robert

    Hello
    but first check the fuses


    Please check u under spare wheel if wet or dry.
    When its wet then look at the connection from pdc ecu/ control unit.


    has the control valve for air ever been replaced?


    Sorry for my bad english but i hope i could a little bit help u.

    I can learn front sensor and lateral sensor but rear sensor not.


    I found pressure sensor specific diagram. I see that 0 bar is little above 0,6V and i think that's the reason why rear sensor can't be learned. I order used valve block and i will change rear axle pressure sensor.

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