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TD5 ECU is this suitable?


AJL
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As a followup to my previous thread re throttle problems I think i've probably got a faulty ECU. With that in mind i've just spotted this on e-bay

Can anyone confirm if this will fit or can be re-programmed to run on my (52) MY02 Defender.

"Land rover Deffender TD5 2003 On

Reprogrammable Engine ECU

New ECC Part No 500020"

I presume its just a case of taking it along with to a specialist with plug in test book capabilities and asking him to fit?

Many thanks

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James

That isn't a complete part number, but I think there is an NNN500020 which is a programmable type, will have a look in a little while and post up the answer. However you need to have the right sort for a Defender manual transmission, you can't even fit a Disco Td5 manual one to a Disco Td5 auto, it won't let you do it, as I tried to nick one out of a crashed vehicle for something once and it wouldn't work - same age vehicle just an auto instead of a manual.

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James

That isn't a complete part number, but I think there is an NNN500020 which is a programmable type, will have a look in a little while and post up the answer. However you need to have the right sort for a Defender manual transmission, you can't even fit a Disco Td5 manual one to a Disco Td5 auto, it won't let you do it, as I tried to nick one out of a crashed vehicle for something once and it wouldn't work - same age vehicle just an auto instead of a manual.

Stephen thanks for the quick response I understand that the Disco variant isnt backward compatible however this is stated a a defender model ECU and defenders here are on in manual as you know

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Just checked and NNN500020 is indeed a Defender manual ECU for 2A> vin numbers (vehicles with new type dash) so if that is you, then you are OK :)

If you get it, I think it should also say "LD MAN" on it which is Defender manual (LD is the model bit of the VIN number i.e. SALLDblah

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Connect to a T4 or something that will talk to it and read off injector grades programmed into old ECU

Ignition off and leave it for 20 sec or so for the power to drop out

Pull out red & black plugs

Pull out old ECU (a couple of bolts) & fit new one

Put in red & black plugs

Ignition on

Use T4 to stuff injector grades into new ECU, and learn the alarm security code

Approx 10 minute job :)

unless it insists on downloading a new "tune" to the ECU which will take a bit longer

30 min tops though

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Connect to a T4 or something that will talk to it and read off injector grades programmed into old ECU

Ignition off and leave it for 20 sec or so for the power to drop out

Pull out red & black plugs

Pull out old ECU (a couple of bolts) & fit new one

Put in red & black plugs

Ignition on

Use T4 to stuff injector grades into new ECU, and learn the alarm security code

Approx 10 minute job :)

unless it insists on downloading a new "tune" to the ECU which will take a bit longer

30 min tops though

Thats the theory then however nothing in my life is ever that simple you can bet i'll have no end of trouble!

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Guest diesel_jim

I'm following this thread with interest, as i bought a Td5 ECU on eBlag for £15, but it's for a disco apparently. i'm windering if it can be modded to work on my 2001 110.

anyone got any clues? :unsure:

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I'm following this thread with interest, as i bought a Td5 ECU on eBlag for £15, but it's for a disco apparently. i'm windering if it can be modded to work on my 2001 110.

anyone got any clues? :unsure:

Not with a T4 AFAIK, but some of the aftermarket systems might be more forgiving. Send me the part no. on the ECU and I'll find out what it's for...

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Well as an update to this thread my problems were centred around not the ECU (of which i now have a spanking new spare) but with a non operational air flow meter this was picked up by Autologic test book this afternoon. Purchased a new airflow meter and hey presto throttle response back to normal plus the engine has got more go! :D

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