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Vmax



Member Since: 29 Apr 2023
Location: Europe
Posts: 58
Gibraltar 2008 Defender 110 Puma 2.4 SW Baltic Blue
It won't start
Need help l have been having intermittent essues with my 2.4 2008 occasionally not starting. I have a new battery new ignition barrel new starter motor new alternator and the problem persist. Today l check and replaced the of the central locking and the immobiliser and now it doesn't start and key fob does not work. Any ideas.
Post #1004748 19th Aug 2023 3:08pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1596
Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
You have to code the 10 AS ecu to the car if replaced.
Post #1004759 19th Aug 2023 5:37pm
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Vmax



Member Since: 29 Apr 2023
Location: Europe
Posts: 58
Gibraltar 2008 Defender 110 Puma 2.4 SW Baltic Blue
Sorry Sir can you specify on that code.
Post #1004760 19th Aug 2023 5:52pm
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Vmax



Member Since: 29 Apr 2023
Location: Europe
Posts: 58
Gibraltar 2008 Defender 110 Puma 2.4 SW Baltic Blue
NickMc wrote:
You have to code the 10 AS ecu to the car if replaced.


Is that needs to be recoded by the dealer.
Post #1004761 19th Aug 2023 5:57pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1596
Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
Did you replace the Green or Black module for the immobiliser?

The 10AS alarm has to be matched to the engine computer (PCM) for the immobiliser to work.
Post #1004781 19th Aug 2023 10:04pm
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Vmax



Member Since: 29 Apr 2023
Location: Europe
Posts: 58
Gibraltar 2008 Defender 110 Puma 2.4 SW Baltic Blue
No l haven't replaced that
Post #1004786 19th Aug 2023 10:22pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1596
Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
Any codes present?
Post #1004792 19th Aug 2023 10:45pm
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Vmax



Member Since: 29 Apr 2023
Location: Europe
Posts: 58
Gibraltar 2008 Defender 110 Puma 2.4 SW Baltic Blue
Sorry Sir no code l need to read about it.
Post #1004793 19th Aug 2023 10:59pm
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Vmax



Member Since: 29 Apr 2023
Location: Europe
Posts: 58
Gibraltar 2008 Defender 110 Puma 2.4 SW Baltic Blue
Is the stamped on the metal a four code on the spare key set
Post #1004795 19th Aug 2023 11:17pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17278
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Re: It won't start
Vmax wrote:
... Today l check and replaced the what? of the central locking and the immobiliser ...


What did you actually replace? There's a word missing from your first post.
Post #1004796 19th Aug 2023 11:31pm
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Vmax



Member Since: 29 Apr 2023
Location: Europe
Posts: 58
Gibraltar 2008 Defender 110 Puma 2.4 SW Baltic Blue
True l missed a word. That l checked and changed fuses.
Post #1004809 20th Aug 2023 7:51am
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Vmax



Member Since: 29 Apr 2023
Location: Europe
Posts: 58
Gibraltar 2008 Defender 110 Puma 2.4 SW Baltic Blue
Yesterday l removed the three immobiliser fuses so that the immobiliser would disconnect
So l had it more than twelve hours. Put the fuses back on late this morning it started perfect and the fobs l have two one of them is not working.
Post #1004851 20th Aug 2023 2:42pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1596
Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
With vehicle unlocked, take the battery out of fob and then hold both buttons down for 10 seconds to drain residual power.

Put the Battery back in then press lock four times and unlock once. That will sync the fob back to the ECU.
Post #1004852 20th Aug 2023 3:16pm
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Vmax



Member Since: 29 Apr 2023
Location: Europe
Posts: 58
Gibraltar 2008 Defender 110 Puma 2.4 SW Baltic Blue
I will am on it thank you.
Post #1004857 20th Aug 2023 3:44pm
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Vmax



Member Since: 29 Apr 2023
Location: Europe
Posts: 58
Gibraltar 2008 Defender 110 Puma 2.4 SW Baltic Blue
Fob is working thank you very much.
Do l need to do a diagnostic on the immobiliser. Or l do some driving test for a few days to double check is going start.
Post #1004898 20th Aug 2023 9:29pm
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