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annette



Member Since: 24 Nov 2017
Location: Tilarán, Costa Rica
Posts: 68

Costa Rica 
NNNxxxxx repair service needed
Question

Hi everybody..
I am still desperately after an engine ECU.. all suggestions welcome.

Got 3 dead ECUs here a mate has another 2.. who can recommend a RELIABLE repair service?

Any country except the US.

thanks in advance Fixing Land Rovers in rural Guanacaste
Post #681323 24th Jan 2018 1:25pm
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ian series 1



Member Since: 17 Nov 2014
Location: south
Posts: 3127

United Kingdom 2008 Defender 90 Puma 2.4 CSW Bonatti Grey
Not sure about shipping cost/implications for you?

I’ve just used these to repair a water damaged ECU,

http://www.ecutesting.com/

Absolutely spot on service, sent it on a Monday, and had it back thursday morning! 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.
Post #681324 24th Jan 2018 1:31pm
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MadTom



Member Since: 10 Sep 2013
Location: Olomouc
Posts: 623

Czech Republic 1999 Defender 130 Td5 HCPU Baltic Blue
Carefully remove both covers and look for damage. If you find big hole burned through of fully burt ECU, than there is no way to repair. Some small burn holes / burnt components are possible to repair, but no 100% sure.
Or post some pictures. I have repaired some of these ECUs, so I think, I can point you.
The problem is shipping and probably also customs. You are too far from Europe. "Drobek" = The Small One - Discovery 2, "Blufínek" = The Blue Thing - Defender 130, and for me at least Ford Mondeo Smile
Post #681331 24th Jan 2018 1:41pm
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annette



Member Since: 24 Nov 2017
Location: Tilarán, Costa Rica
Posts: 68

Costa Rica 
Dear Tom,
they never have big holes burnt in them.. there is always something else not working..
one doesn't talk at all but no visible damage, nothing obviously blown..
one does not recognise the accelerator signal
etc.

Too far from Europe... well I get 2 loads of goods from Britain per week.
it takes about 7 days unless customs decide to have a go at me ( happens in 10% of the cases especially if the supplier makes a mistake in a line)

My worst nightmare was the bearmach Christmas gift. they held up my delivery for a week because a small calendar wasn't declared!!

I have so far imported dozens of second hand ECUs

if it were impossible, we wouldn't have Land Rovers here.

The worst thing here is that a lot of people drive Hyundais.. they are always in the way. The problem is never how to repair the Defender.. it is the money Very Happy

greetings to Česko from hot Guanacaste Fixing Land Rovers in rural Guanacaste
Post #681339 24th Jan 2018 2:00pm
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annette



Member Since: 24 Nov 2017
Location: Tilarán, Costa Rica
Posts: 68

Costa Rica 
ian series 1 wrote:
Not sure about shipping cost/implications for you?

I’ve just used these to repair a water damaged ECU,

http://www.ecutesting.com/

Absolutely spot on service, sent it on a Monday, and had it back thursday morning!


thank you Ian just getting in contact Fixing Land Rovers in rural Guanacaste
Post #681346 24th Jan 2018 2:13pm
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ian series 1



Member Since: 17 Nov 2014
Location: south
Posts: 3127

United Kingdom 2008 Defender 90 Puma 2.4 CSW Bonatti Grey
Thumbs Up
Hope it works out. 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.
Post #681350 24th Jan 2018 2:39pm
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MadTom



Member Since: 10 Sep 2013
Location: Olomouc
Posts: 623

Czech Republic 1999 Defender 130 Td5 HCPU Baltic Blue
I see no problem with shipping to Costarica, but from my experience it is a bit different to ship it to Europe, repair it and ship it back, and not pay some tax and VAT (cca. 20%), or not pay some extra money to handle custom declarations and all connected papers. This just adds more money to already high shipping price.
I have 2 ECUs here, that are really burnt. One is after car crash, when the top cover collapsed and made a short circuit on the 12V input - there are burnt some traces on the board. Second is completely burnt inside - everything is black - again some short circuit. This is not repairable.
But I have repaired quite a few partly burnt ECUs - normally after drowning. I had to change on big resistor and associated small FET transistor, and remove small part of burnt board. All ECUs are still working.
Some owner were surprised, they were ready to buy a new ECU.
TD5 ECU is simple to repair, because nearly all components are standard, with standard marking.
Repairing ECUs (and LR cars) is not my full time job, but from a hobby it grew to a part time evening job. And it is still fun. "Drobek" = The Small One - Discovery 2, "Blufínek" = The Blue Thing - Defender 130, and for me at least Ford Mondeo Smile
Post #681369 24th Jan 2018 4:51pm
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GerardTd5



Member Since: 03 Aug 2016
Location: almost Germany
Posts: 44

Netherlands 2001 Defender 90 Td5 CSW Epsom Green
Hey,

I do not know if this is what you are looking for, I found it on the German forum. Just scroll down, there is the repair of an ecu discussed, with photos.

http://www.blacklandy.eu/blboard/forum/sho...aden-WARUM

it is in German language, but google translate is your friend,

cordial greetings from the Netherlands,

Gerard90Td5
Post #681654 25th Jan 2018 7:30pm
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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2784

United Kingdom 
Why are you getting so many failed ECU’s? I have never heard of a failed one where l
live in the UK.
Are they TD5 or tdci? I have done nearly 200,000 miles in TD5’s with no ECU issues at all.
My current one is on 98,000 original ECU. Survived oil in the harness as well. Are you using boost starters or driving through deep water?
Post #681675 25th Jan 2018 8:42pm
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macfrank



Member Since: 05 Nov 2015
Location: somewhere in the north
Posts: 1076

Germany 2015 Defender 110 Puma 2.2 SW Keswick Green
MadTom wrote:

But I have repaired quite a few partly burnt ECUs - normally after drowning. I had to change on big resistor and associated small FET transistor, and remove small part of burnt board.

Sorry, for using this thread, but this is really interesting! A friend of mine drowned his TD5 in iceland Crying or Very sad
I tried to repair his NNN500020 by replacing two burnt IRL540N FETs (upper left in the first picture):


Click image to enlarge



Click image to enlarge


While I know which way to hold a soldering iron but have no special knowledge about these ECUs, that was all I could do. No other obvious damage. He installed the "repaired" ECU and the two FETs burnt again.
So, do you think the ECU could still be saved? Could you point me to the other parts you mentioned?

thanks!
Frank
Post #681680 25th Jan 2018 8:55pm
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MadTom



Member Since: 10 Sep 2013
Location: Olomouc
Posts: 623

Czech Republic 1999 Defender 130 Td5 HCPU Baltic Blue
I think it is possible. From memory these are for the big switched power supply for generating 85V voltage. And from your last picture is visible, that not only those big FETs are broken, but also a small component in SOT89 package - transistor? diode? hidden by the metal part of ECU body. It is not easy to find all broken parts. "Drobek" = The Small One - Discovery 2, "Blufínek" = The Blue Thing - Defender 130, and for me at least Ford Mondeo Smile
Post #681684 25th Jan 2018 9:10pm
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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2784

United Kingdom 
These will need specialist repair, you can’t just go changing parts in the hope that it will work.
You can get an extension harness to relocate the ECU higher up if the vehicle is likely to encounter deep water.
Post #682036 27th Jan 2018 11:33am
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annette



Member Since: 24 Nov 2017
Location: Tilarán, Costa Rica
Posts: 68

Costa Rica 
lightning wrote:
Why are you getting so many failed ECU’s? I have never heard of a failed one where l
live in the UK.
Are they TD5 or tdci? I have done nearly 200,000 miles in TD5’s with no ECU issues at all.
My current one is on 98,000 original ECU. Survived oil in the harness as well. Are you using boost starters or driving through deep water?

you lucky so and so.
I have 5 sitting here.

there are 4 reasons
Neutral tropical humidity
Confused blazing heat
Big Cry idiots who think they are electricians but better should work as spaghetti cooks
Rolling Eyes owners who think it is great to have 2 alarms in one LR. Fixing Land Rovers in rural Guanacaste
Post #684447 6th Feb 2018 3:43am
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