4.4TDV8 take-off TC slip with van

My son Justin's IIDTool did the job even though it's not licensed to my RRV as clearing adaptations is a service function on the tool. I didn't want to try my Faultmate which even though it's supposed to support MY10-12 RRV, it does not specifically support the 8-speed gbox. The 6-speed command may have worked but Justin's tool does support the 8-speed on MY10-12 RRV.

Edit: Justin's IIDTool reports that most of my RRV's ecus are not at the latest level, with at least 2 later updates for each of the gearbox and ECM. I intend having the whole vehicle brought up to date in a few weeks although probably best to wait until the ediff is fitted to have it calibrated at the same time.

How do you tell if everything is up to date?

The IIDTool has a function to list each ecu's installed s/w version and any later versions that have been released by LR.

But they don't know what the later versions actually change/upgrade. I have queried Gap for my D4.

Scott

Dealers, let alone GAP or BBS, generally don't know what changes have been implemented unless a particular upgrade is required to overcome a known problem (eg 3.0 going into permanent limp mode using CC and towing when hot) and even then they don't know what else has been affected. Feed-back from owners who have diagnostic tools can shed some light with before and after differences and versions, as I could through the various D4 gbox s/w upgrades such as manual up/down-shift changing it from a temporary manual mode as built to only a request that could immediately be over-ridden by the TCM or the several CC improvements that eventually would cut fuel completely on excessive over-run.

I want the latest updates on the basis that LR have made improvements, hopefully preventing CC from hanging onto top gear until revs get too low then dropping up to 4 gears when finally changing down and the unnecessary TC slip during take-off from a stand-still, as well as any other improvements for ABS, instrument cluster, touch-screen, BCU power management etc.

Quote:

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Originally Posted by Graeme

Dealers, let alone GAP or BBS, generally don't know what changes have been implemented unless a particular upgrade is required to overcome a known problem (eg 3.0 going into permanent limp mode using CC and towing when hot) and even then they don't know what else has been affected. Feed-back from owners who have diagnostic tools can shed some light with before and after differences and versions, as I could through the various D4 gbox s/w upgrades such as manual up/down-shift changing it from a temporary manual mode as built to only a request that could immediately be over-ridden by the TCM or the several CC improvements that eventually would cut fuel completely on excessive over-run.

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An indication of this was when I updated my Terrain Response software, Sand Mode is a lot less violent and more controlled, then smooth accelleration when taking off compared to before, where it was violent and jerking.

I found the D4's original sand mode much too aggressive and used fuel unnecessarily for most sand use, preferring no special programs unless a particularly gnarly-looking climb was ahead. It sounds like a worthwhile improvement.

Quote:

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Originally Posted by Graeme

I haven't had an opportunity to see if TC slip has reduced when accelerating in traffic let alone with the van attached.

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TC slip is no longer a problem even with the van attached.

Sounds good Graeme :cool:
I wonder what they changed?
engine parameters?
gearbox settings?

Only had the gearbox adaptations cleared.