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RS6 AVANT C5 GEARBOX ISSUE

doogy338 Aug 1, 2013

  1. doogy338

    doogy338 New Member

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    Hi guys, wonder if anyone can help with my "little" problem.
    My RS6 has developed a gearbox issue as follows.
    When starting the engine and prior to making gear selection, the dash display stays red and no P D or R is displayed. Car will select reverse with a bit of a jolt and will also select D ( almost smoothly) and will drive normally but it appears only in second and fourth. Ni fault codes have appeared at any time.
    When this first happened I was able to get all gears as normal by switching on and off the ignition with the engine running. This seemed to trigger something in the system that then allowed me to select all gears as normal, and the gear selection display went green and the paddles and sport mode worked perfectly.
    Gearbox has just been serviced and just after the service all was well.
    This may or may not be an electrical fault of some sort and one thing more. the front passenger footwell was flooded last year, and dried out but not sure if that will have affected some of the electrics or not.
    Any ideas would be most gratefully received.
    Thank you.
    Doogy.
     
  2. gen.heinz guderian

    gen.heinz guderian Well-Known Member

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    Have you had it scanned at all ?
     
  3. doogy338

    doogy338 New Member

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    yes, i think so. by that do you mean plugged into the diagnostics ? please excuse my ignorance !!
     
  4. wesmaster

    wesmaster Member

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    What was the fault code?
     
  5. doogy338

    doogy338 New Member

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    Just had it scanned.
    5 fault codes came up.

    18228 P1820 PRESSURE SPORADIC CONTROL VALVE 2 -n216 : short to b+
    18238 p1830 pressure sporadic control valve 4 -n218 : short to b+
    18233 p1825 pressure sporadic control valve 3 -n217 : short to b+
    17090 p0706 transmission range sensor circuit => -f125 range performance
    18243 p1835 pressure sporadic control valve 5 -n233 : short to b+

    I hope this helps.
    thanks
    doug.
     

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