1999 v70R immobiliser fault code 720A

andrewc1267 · May 3rd, 2018, 15:23

1999 v70R immobiliser fault code 720A car won't start and the only code stored I'd the one above has anyone got any ideas please

andrewc1267 · May 3rd, 2018, 23:34

Spoke to Adam at readview garage he advised me to change the Antenna around the ignition switch so I'm going to start there

JOHN 850 · May 4th, 2018, 00:27

Yep common fault, usually causes intermittant non starting though. Very easy to change, just undo 3 torx screws holding the steering column covers, split n remove bottom cover. Undo the multiplug connected to the ring and the ring will pull away ignition switch with a bit of force ! Refitting is then the reversal as the Haynes manual would say lol !!

Luxobarge · May 4th, 2018, 08:20

As above, common fault. Usual symptom is that it will fire a couple of times but not catch and keep running. You could try cleaning the contacts thoroughly with contact cleaner - apparently this is often all the fault is, but it does need to be done thoroughly, might be worth a try as it's easy and free to do?

Cheers!

andrewc1267 · May 4th, 2018, 10:40

As above I've ordered one they are delivering it to my garage thought I would get a new one as I know it's right then first thing to play up in 80k apart from maintenance stuff so not loosing faith in it yet

May 3rd, 2018, 15:23	#1
andrewc1267 Master Member Last Online: Mar 11th, 2022 22:01 Join Date: May 2010 Location: manchester	1999 v70R immobiliser fault code 720A 1999 v70R immobiliser fault code 720A car won't start and the only code stored I'd the one above has anyone got any ideas please

May 4th, 2018, 08:20	#4
Luxobarge Premier Member Last Online: Yesterday 22:43 Join Date: Jan 2011 Location: Horne (Nr. Horley)	As above, common fault. Usual symptom is that it will fire a couple of times but not catch and keep running. You could try cleaning the contacts thoroughly with contact cleaner - apparently this is often all the fault is, but it does need to be done thoroughly, might be worth a try as it's easy and free to do? Cheers! __________________ Some people are like Slinkies, they serve no useful purpose but they still bring a smile to your face when you push them downstairs.

May 4th, 2018, 10:40	#5
andrewc1267 Master Member Last Online: Mar 11th, 2022 22:01 Join Date: May 2010 Location: manchester	I've ordered one from the dealer for Tuesday As above I've ordered one they are delivering it to my garage thought I would get a new one as I know it's right then first thing to play up in 80k apart from maintenance stuff so not loosing faith in it yet

May 3rd, 2018, 23:34	#2
andrewc1267 Master Member Last Online: Mar 11th, 2022 22:01 Join Date: May 2010 Location: manchester	Spoke to Adam at readview garage he advised me to change the Antenna around the ignition switch so I'm going to start there

May 4th, 2018, 00:27	#3
JOHN 850 Senior Member Last Online: Yesterday 22:43 Join Date: Dec 2001 Location: North Yorkshire	Yep common fault, usually causes intermittant non starting though. Very easy to change, just undo 3 torx screws holding the steering column covers, split n remove bottom cover. Undo the multiplug connected to the ring and the ring will pull away ignition switch with a bit of force ! Refitting is then the reversal as the Haynes manual would say lol !!

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