No ECU

chainsaw · Aug 10, 2019

I have bought a non runner 2000 Defender TD5 at auction. I've discovered it has been robbed of the ECU from under the drivers seat as well as most of its relays and I'm sure the list wont stop there.

Is it possible to fit and reprogram an ECU from a Discovery TD5, or what is my best way to go about replacing it.

lightning · Aug 11, 2019

Well, you can buy a used TD5 ECU and get it reprogrammed for your Defender.

There’s companies online that will do that for you, although you may have to source the ECU first, probably from a scrapped Discovery

chainsaw · Aug 11, 2019

lightning said:
Well, you can buy a used TD5 ECU and get it reprogrammed for your Defender.

There’s companies online that will do that for you, although you may have to source the ECU first, probably from a scrapped Discovery

Thanks and yes I would have a good idea that a used EUC from a Defender would probably reprogram for my Defender and also I appreciate there are companies online that will do this for me (at a price) but what I would really like to know is if an ECU from a Discovery 2 would be suitable for reprogramming to the Defender?

Turboman · Aug 11, 2019

chainsaw said:
Thanks and yes I would have a good idea that a used EUC from a Defender would probably reprogram for my Defender and also I appreciate there are companies online that will do this for me (at a price) but what I would really like to know is if an ECU from a Discovery 2 would be suitable for reprogramming to the Defender?

If it is a for a TD5, it will be from a Disco 2, because they are the only Discos to have TD5 engines.

chainsaw · Aug 11, 2019

Turboman said:
If it is a for a TD5, it will be from a Disco 2, because they are the only Discos to have TD5 engines.

I kind of worked that one out as well but is it suitable for reprogramming to a Defender?

Turboman · Aug 11, 2019

chainsaw said:
I kind of worked that one out as well but is it suitable for reprogramming to a Defender?

Don't see why not, but I would try phoning one of the re-programming companies to find out.

chainsaw · Aug 11, 2019

Turboman said:
Don't see why not, but I would try phoning one of the re-programming companies to find out.

Thanks - I'll do that and maybe someone on here who does know will come along soon.

Turboman · Aug 11, 2019

chainsaw said:
Thanks - I'll do that and maybe someone on here who does know will come along soon.

I think there is a member that actually owns one of aforementioned companies, but I have no idea how much he logs in.

chainsaw · Aug 11, 2019

Appreciated

Tim4x4 · Aug 12, 2019

chainsaw said:
I have bought a non runner 2000 Defender TD5 at auction. I've discovered it has been robbed of the ECU from under the drivers seat as well as most of its relays and I'm sure the list wont stop there.

Is it possible to fit and reprogram an ECU from a Discovery TD5, or what is my best way to go about replacing it.

chainsaw,
You have a choice of two ECUs either MSB 000080 this one would have been the original part fitted to a MY2000 Defender TD5, it is the early type you will have to program the 10 ASalarm to the replacement ECU and set the five injector values, the fuel map is not programmable on this model ECU without changing the chip.
The other choice is NNN500020 this is the later replacement ECU which would be supplied as a replacement by a main dealer, again you will need to program the 10AS alarm to the replacement ECU and set the five injector values, also program an appropriate fuel map because unless it has come off a 10p Defender an incorrect fuel map will be installed.
As an added note I do not believe either of these ECUs are available new the last price from LR for NNN500020 was around £700.00. Used price for MSB 00080 expect to pay £125.00 + and the prices for NNN500020 are going through the roof I have seen used, condition unknown advertised at £500.00.

Discodevon · Aug 13, 2019

Speak to dan at storm tuning

chainsaw · Aug 13, 2019

Tim4x4 said:
chainsaw,
You have a choice of two ECUs either MSB 000080 this one would have been the original part fitted to a MY2000 Defender TD5, it is the early type you will have to program the AS10 alarm to the replacement ECU and set the five injector values, the fuel map is not programmable on this model ECU without changing the chip.
The other choice is NNN500020 this is the later replacement ECU which would be supplied as a replacement by a main dealer, again you will need to program the AS10 alarm to the replacement ECU and set the five injector values, also program an appropriate fuel map because unless it has come off a 10p Defender an incorrect fuel map will be installed.
As an added note I do not believe either of these ECUs are available new the last price from LR for NNN500020 was around £700.00. Used price for MSB 00080 expect to pay £125.00 + and the prices for NNN500020 are going through the roof I have seen used, condition unknown advertised at £500.00.

Thanks - great info, do you know when they stopped using the 10p engine?

chainsaw · Aug 13, 2019

Discodevon said:
Speak to dan at storm tuning

Thanks for that.

Tim4x4 · Aug 13, 2019

chainsaw said:
Thanks - great info, do you know when they stopped using the 10p engine?

2001/2002

Mudnut01 · Aug 13, 2019

I might be needing a replacement ECU for my 2005 TD5 Defender. My very knowledgable mechanic said a Discovery 2 one would work if re programmed, but need one from a manual transmission D2. That might be the stumbling block, as not many D2's were sold in manual transmission. Good luck with your search.

No ECU

chainsaw

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