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Thread: Restricted Performance.

  1. #1
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    Restricted Performance.

    Sorry if this has been done to death but I did check the FAQ's.

    My D4 has recently had a Traxide dual battery system fitted and just last week had a Roo Systems ECU reprogram by TJM in Hobart.

    It has been all good until today.
    I was towing an empty trailer up a reasonably steep and long hill at about 110 kph.

    When I got to the top of the hill I had a "Restricted Performance" warning.

    I limped home.

    Having a search around here I saw that people have had a "Restricted performance gearbox fault" but I am not sure if this was the case with my D4 as I couldn't see any other info about the warning.

    Is there a list of what the warnings are?

    Once home I did check here and found advice about turning the car off and waiting for the park brake light to go out before restarting.

    The fault has cleared.

    My issue is why did it happen, and more importantly, given that I am about to tow a trailer 3500k's starting on Sunday, will it happen again?

  2. #2
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    Well I'd doubt it being the Traxide kit. However the Remapping is more likely the culprit. Ah the beauty of a D3 and a BAS remap, we can easily swap between them anywhere as long as you take the unit with you to help isolate the issue.
    Do you have a fault code reader?
    Where you using cruise control when the fault happened?
    2014 SDV6 HSE - LLAMS, Tuff Ant Tree Sliders, Tuff Ant 18" rims, Nitto Ridge Grappler tyres 265/65 R18, Custom Lipo4 battery, Custom Drawer storage system https://www.box.com/s/jem0ilac3cner2mexq64

  3. #3
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    No fault code reader.
    No cruise control.

    Unfortunately I needed the remap done quickly and the one I went with was the only option.

    I don't think the Traxide kit would have any affect either, just mentioning it because it was done recently.

    I'm about to head into town now and will be coming home via the same hill without the trailer so will see what happens.

    Cheers.

  4. #4
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    Quote Originally Posted by markorjack View Post
    Unfortunately I needed the remap done quickly and the one I went with was the only option.
    Cheers.
    Why would you need to get a remap done quickly - BAS is always an option and in my view the best and as mentioned you can take it off and go back to original and later go back the the BAS map all in the comfort of your own car.

    I also suspect it is the map you got - take it off and go back to your original map.

    Garry
    REMLR 243

    2007 Range Rover Sport TDV6
    1977 FC 101
    1976 Jaguar XJ12C
    1973 Haflinger AP700
    1971 Jaguar V12 E-Type Series 3 Roadster
    1957 Series 1 88"
    1957 Series 1 88" Station Wagon

  5. #5
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    The remap was done quickly because I am moving interstate and things became a bit of a rush.
    I possibly should have done more research but hey, it's done now.

    If I have more issues I will look into the BAS remap.

    As far as I am aware I don't have the ability to remove the map I had done so hopefully it gets me interstate with no issues.

    Wish me luck

  6. #6
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    Markorjack - did you also get the Roo Systems exhaust installed? I'm wondering if their remap is appropriate if you still have the standard exhaust on... the restricted performance fault with remaps are usually from high EGTs after an extended hard run - like towing up a long hill at high speed.

    Roo Systems say their remap is safe... yeah, right.

  7. #7
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    I didn't do the exhaust, apparently if you do the chip they recommend the exhaust but for the remap it is not required.

    They did tell me it was unusual as the few faults they have encountered have brought up an engine fault with the orange engine warning light, not just the red restricted performance triangle warning light.

    To be honest, I was disappointed with the standard performance towing up hill.
    With the remap, and not towing the performance is very noticeable.
    If I get a fault towing uphill then I wonder if it was worth it.

    I am towing a tandem 8x5 enclosed trailer that will be reasonably loaded, 3500k's in four days starting Monday which will be a pretty good test.

  8. #8
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    Quote Originally Posted by markorjack View Post
    As far as I am aware I don't have the ability to remove the map
    What happens if you get work/service work done and the original ECU software is reloaded - you loose your remap.

    Garry
    REMLR 243

    2007 Range Rover Sport TDV6
    1977 FC 101
    1976 Jaguar XJ12C
    1973 Haflinger AP700
    1971 Jaguar V12 E-Type Series 3 Roadster
    1957 Series 1 88"
    1957 Series 1 88" Station Wagon

  9. #9
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    Quote Originally Posted by markorjack View Post
    I am towing a tandem 8x5 enclosed trailer that will be reasonably loaded, 3500k's in four days starting Monday which will be a pretty good test.
    How's the D4 going so far Mark?
    Regards, Will

    Stornoway Grey '09 D3 TDV6 SE, 2015 TERRITORY Engine at 348k
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  10. #10
    Tombie Guest
    Quote Originally Posted by markorjack View Post
    I didn't do the exhaust, apparently if you do the chip they recommend the exhaust but for the remap it is not required.

    They did tell me it was unusual as the few faults they have encountered have brought up an engine fault with the orange engine warning light, not just the red restricted performance triangle warning light.

    To be honest, I was disappointed with the standard performance towing up hill.
    With the remap, and not towing the performance is very noticeable.
    If I get a fault towing uphill then I wonder if it was worth it.

    I am towing a tandem 8x5 enclosed trailer that will be reasonably loaded, 3500k's in four days starting Monday which will be a pretty good test.
    And the million dollar question... What are your EGTs... I would bet they're getting right up there and your engine protected itself...

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