 | Home > Puma (Tdci) > 2010 Puma 2.4 PCM/ECU dead short |
 
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610   
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Sounds like water ingress perhaps? Have you been wading? Without a detailed internal diagram it can be difficult to determine. Have you the ability of disconnecting it and checking the connecting cables with an insulation tester to double check it's not the wiring?
If it's already been replaced and all is fine as your post implies unless you send it off to be properly investigated chances are you'll never know or find out. If you go through life with your head in the sand....all people will see is an ar5e!! Treat every day as if it is your last....one day you will be right!! Last edited by K9F on 24th Jul 2014 11:36am. Edited 1 time in total |
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24th Jul 2014 11:32am |
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| Ontdekker Member Since: 25 Nov 2009 Location: Centurion Posts: 11  
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Oil ingress is a TD5 issue? Not in this case, we inspected all the connectors , nothing wrong there.
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24th Jul 2014 11:35am |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610
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Realised that when I posted hence the edit. Sorry.
 If you go through life with your head in the sand....all people will see is an ar5e!!
Treat every day as if it is your last....one day you will be right!! |
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24th Jul 2014 11:36am |
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| Ontdekker Member Since: 25 Nov 2009 Location: Centurion Posts: 11
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Apology, I read oil ingress. Water might be slight possibility as I washed it with a pressure washer but I have done this may times previously. Well, new one is in and the fuse is not blowing. These units and the plugs are waterproof?
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24th Jul 2014 11:39am |
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| Caterham Member Since: 06 Nov 2008 Location: Birmingham Posts: 6298  
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my ECM failed in the early months (mine also 2010) and I understand there may have been a bad batch - I suggest a call to LR may be worth your while.
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24th Jul 2014 12:11pm |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610
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Not that waterproof as the wading depth is limited on a Puma and the reasoning I believe behind the extra bulge on the bonnet. Pressure washing is never a good idea around 'sensitive' areas and it sounds like you may have possibly discovered that already?
 If you go through life with your head in the sand....all people will see is an ar5e!!
Treat every day as if it is your last....one day you will be right!! |
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24th Jul 2014 12:42pm |
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| marcoegyptos Member Since: 16 May 2009 Location: Vetraz-Monthoux Posts: 29 
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Hi
I got this problem a couple of year ago , it was a bad insulation of the + 24 V wire feeding the ECU and it was touching the air conditioning pipe in the engine compartment . In fact when the pipe was hot , it has burned the insulation of the wire and the fuse under the seat burned. He took time to found. May be this can help you. |
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24th Jul 2014 4:14pm |
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| Caterham Member Since: 06 Nov 2008 Location: Birmingham Posts: 6298
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Mal I stand to be corrected but believe the bulge ie for the ac compressor not the ecm which I think is under the non bulge bit....either way don't think getting water there is going to do it any good. |
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24th Jul 2014 4:45pm |
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