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Thread: D4 Gearbox Fault

  1. #1
    mikeford Guest

    Unhappy D4 Gearbox Fault

    My 2012 Discovery 4 with only 46,000km on the clock, last Friday the 27th of January when started up showed "Gearbox Fault" on the display. I called Landrover Assist and they sent an RAA (South Australian roadside assistance group) tech out to look at the car, he looked (that is all he did, look) at my car and said he could do nothing and would order a flat bed tow truck. My baby went to the Adelaide dealer to be fixed. On Tuesday the 31st they rung me and said my car was fixed, apparently a software glitch. I have extended warranty but was told that I had to pay $187 for the upload of the new gearbox software as Landrover only pay if hardware is faulty (I will pursue this later). Well guess what yesterday (Friday 3rd Feb) I have a"Gearbox Fault" display again, about to ring Landrover Assist for round 2, will keep you all informed.

  2. #2
    Join Date
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    Find out the fault codes if you can.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  3. #3
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    I wouldn't be paying for the upload of any software.....

  4. #4
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    Quote Originally Posted by irondoc View Post
    I wouldn't be paying for the upload of any software.....
    X2

    Mine had the software upgraded on it within warranty at no cost - unfortunately I don't have a record of the versions I'm sorry. But I certainly wouldn't accept that they wanted me to pay for a software upgrade on something that is still under warranty - even extended warranty. It's lot like the software is an option you have added after, int's an integral part of how these transmissions work - to try and separate hardware and software for warranty purposes is total bull**** in my view.

    Particularly as it seems to have not fixed your problem!
    Mark

    Of all the things I've lost, I miss my mind the most

    2015 TDV6 D4.... the latest project... Llams, Traxide, Icom 455, Tuffant Kimberleys and Mofos.... so far.
    2012 SDV6 SE D4 with some stuff... gone...
    2003 D2a TD5...gone...
    2000 D2 V8...gone...
    https://bymark.photography


  5. #5
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    This did happen to me once on the sand. I just turned the car off then back on and it was gone though..

  6. #6
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    Dec 2011
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    It sounds like when my brake switch failed at 60,000km. They said it was a software problem, updated it and sent me on my way. The first time I used my brake it failed again and they had to flat bed it back to the dealer. The next time they correctly diagnosed the brake switch failure and fixed it properly.

  7. #7
    mikeford Guest

    Unhappy Round 2

    Guess what got "Gearbox Fault " message again, car has been picked up and is back to see if they can fix it this time. I will keep you all informed.

  8. #8
    Join Date
    Jun 2018
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    Evans Head, NSW
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    Gear Box Error

    My D4 has just showed this error the other day, car is driving fine. It does not come up all the time but will be calling the mechanic to get his opinion. Car is due for a service. Is there anything I can look for fluid wise or is this error to do with software?

    thanks in advance.

    Cheers
    Peter

  9. #9
    Join Date
    Mar 2011
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    This vid shows the error sequence I was getting which includes the gearbox fault error. Faults would clear after a restart. Started off being infrequent enough to not bother me too much, but then started happening more often. Strangely, didn't happen when my wife was driving, just happened for me. Long story short, the indy I took the D4 to did some analysis and, without being 100% sure, replaced the brake switch. That was about 2yrs ago, problem has never happened since. Hope this helps.

    FaultCycle.mp4

  10. #10
    Join Date
    Sep 2014
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    Interesting, im getting an intermittent fault code U0128 that says lost comms with park brake module. No other faults or triangles on the dash.

    AFAIK my MY11 D4 SDV6SE still has the original brake switch.

    Is this related to the infamous brake switch issue?

    I'm tempted to preemptively replace the switch....Screenshot_20200227-185529.jpg

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