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Tiptronic Gear Selector Error

Discussion in 'RS6 Forum' started by cisaacs, Oct 5, 2010.

  1. cisaacs
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    cisaacs New Member

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    [Oct 5, 2010]
    Hi All

    I know this has been mentioned in a couple of posts before but as far as i can see there has been no specific answer.

    I have a problem when engaging the gear selector in that when i get to 'D' all the gear selector lights on the dash are illuminated at once and i cannot use the manual gear selection from either the center gear lever or from the steering wheel. It only happens when i put in in D.

    It is not the same as the limp (backup) mode where only 1 gear is available. I can drive perfectly well when this happens. As i shift into 'S' i also hear the engine drop a gear so all is well here.

    The thing is that sometimes this happens and sometimes not. It just so happened not to do this when i booked the car into a Audi Tonbridge (who by the way are very rude and i urge you never to go there). They put this down to me having a slightly smaller emergency battery in the car at the time which has now been replaced with the proper one but without rectifying the fault.

    Also what happens is that sometimes when this fault is present and i drive over a significant bump in the road the fault seems to dissapear. Only to come back again when i next start the car.

    I cant afford to have Audi charge me £115 + VAT for an hours worth of head scratching. Anyone else seen this or have an idea of what could be the problem?

    I had it plugged into a diagnostics machine but no fault is showing up at all?
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  3. BILKO1
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    BILKO1 Member

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    [Oct 5, 2010]
    I would get the gearbox oil changed first and go from there. Audi say the transmission oil is for life but if you search around you will find hundreds of RS6 gearbox horror stories:( As for diagnostics what was used to scan for faults? Most generic eobd scanners won't pick up a gearbox related fault you need to use a proper scanner that will connect to the gearbox ecu, i highly recommend VCDS or Vagcom as it used to be called.

    Not much happens in this part of the forum most RS6 owners hang out at rs246.com or audisrs.com, good luck as a new gearbox and torque converter will set you back £8000 at Audi. Might be worth going to specialist near you the ones that spring to mind are MRC, Unit 20, AMD and QST.
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  4. cisaacs
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    cisaacs New Member

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    [Oct 5, 2010]
    Diagnostics machine was Vagcom. I tested again last night but didnt see anything. It did once show a fault - 18161 / P1753
    tiptronic switch -F189- Implausible signal but i cleared this down and waited for the error to occur again. When it showed its head i re-ran the diagnostics but no error code. Looking at various forums the above error seems to be slightly similar but not exactly the same.

    I'll check out your suggestions - thanks​
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  5. BILKO1
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    BILKO1 Member

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    [Oct 5, 2010]
    I think you have been sorted over at audisrs. :)
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