Member Since: 28 Jul 2014
Location: Norfolk
Posts: 121
Calibrating trip meter
Is it possible to change the calibration of the onboard computer in the Disco 4?
The mpg figure and the road speed are ridiculously optimistic.
27th Sep 2014 11:46 pm
motolite
Member Since: 18 Mar 2013
Location: Sydney
Posts: 931
we meet again You need a forum member with an IID tool to adjust it. Just wait, someone will come along
27th Sep 2014 11:56 pm
kljw
Member Since: 06 Aug 2011
Location: Edinburgh
Posts: 185
Hi
as stated, you need an IID Tool, i have just done mine, and its about spot on.
Keith.Cheers
Keith
Last edited by kljw on 9th Oct 2014 5:57 pm. Edited 1 time in total
7th Oct 2014 11:47 am
XXV
Member Since: 02 Sep 2014
Location: Perthshire
Posts: 136
Why not just take it back to the dealers if it's still under warranty?
9th Oct 2014 1:17 pm
Robbie
Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932
Dealers do not have the inclination or the ability and in truth the trip meter is not faulty. JLR deliberately set an arbitrary +% value in the CCF setting at initial manufacture to force the trip meter display to over-read, presumably as a marketing measure.
Land Rover - Turning Drivers into Mechanics Since 1948
Member Since: 08 Mar 2010
Location: Warwickshire
Posts: 1477
I knew that you could adjust the mpg calculation (I've done it and its now surprisingly accurate) but didn't know you could also do the speedo with the IID tool.
9th Oct 2014 5:04 pm
grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6321
i just found mine was set 3% too happy
will have too ready on CCF editing to mend things safely
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