@manichauhan you don't really need a tool to reset the car, just remove both battery leads and join both LEADS together for a min or so, this will do the same.
Flack
4th Apr 2024 4:05 pm
faulksy
Member Since: 24 Dec 2023
Location: powys
Posts: 344
had a d1 ,d2 a land mark d4 for 3 days now have awsome d4 in orkney grey hse sdv6 my12
4th Apr 2024 6:34 pm
manichauhan
Member Since: 24 Oct 2010
Location: London
Posts: 56
So do I require the GAP software & IID tool to 'reset' the vehicle as described by the OP ?
I am not quite sure I fully understand what it means to 'reset' the vehicle. Is it am ECU reset or it is a specific function within the GAP Software ?
Any help would be most useful.
4th Apr 2024 6:41 pm
manichauhan
Member Since: 24 Oct 2010
Location: London
Posts: 56
Thanks Flack,
I just saw your message. I assume 'reset' the vehicle means reset the ECU then, which as you rightly said, can be done by disconnecting the battery.
4th Apr 2024 6:43 pm
manichauhan
Member Since: 24 Oct 2010
Location: London
Posts: 56
It worked !!
Fuel gauge become inoperative. After about a 1000 miles, car goes in judder mode every 10-15 seconds (feels like a misfire), and engine would eventually shut down after about a minute. Unable to drive it safely.
Disconnected the +ve lead from the battery for about an hour (I guess 30 minutes would have been enough) to 'reset' the ECU. Hey presto (!) the juddering stopped and I guess I have another 1000 miles before the problem creeps up again. As flack pointed out, IID tool was not required to reset the vehicle.
I can now drive safely to a garage to get the problem fixed. Any recommendations for a good garage ? I am based in Hertfordshire.
Thanks to the OP and all the contributors to the thread
4th Apr 2024 10:40 pm
MrTed
Member Since: 06 Jan 2023
Location: Rickmansworth
Posts: 195
These guys sort me out every time: Harris Mayes in Rickmansworth.
I'm in Croxley and have used them since I owned my D4. Very professional and as the local plod use them for all their JLR (as Watford JLR can't be trusted apparently):
https://www.harris-mayescountrycars.co.uk/Discovery 4 HSE late 2015 Euro6
Jaguar XF Portfolio (PX'd for above)
Mitsubishi Galant V6 (PX'd for above)
Instagram: @mrtedgfx
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