hello all ,back to repairing my 2008 xj 2.7 .it has not started for 3 years .all wire connects checked, fuses checked ,earth wires checked and repaired .can turn engine on fuse with a link .found a ecu same spec and had it cloned.its on second new battery. faults on dash gear box/hand brake/abs/dcs/cruise control cannot talk to it with scanner . cannot clear codes same fault as from day one ,any help would most appreciate.
1 gearbox fault/ 2 dsc fault /3 air suspension fault / 4 abs fault/ 5 park brake foot brake fault / 6 cannot apply h/brake / 7 limiter / 8 cruise


hi need to know were ecu earths have been told this could be the problem any ideas?

 

You need to download the Electrical Guide from the 'sticky' on this forum

but ensure that it is the right one for your year of car.

Engine management grounds are shown as G30 and G26 for a 2003 Jag

 

hi thanks i have cleaned and checked g30/g26 so im wondering if it is a power problem to ecu or a other module as gone down