Help sourcing a secondhand ECU for audi a3
Help sourcing a secondhand ECU for audi a3
Author
Discussion

richcorsavxr

Original Poster:

966 posts

203 months

Monday 14th July 2014
quotequote all
The ECU in my Audi a3 petrol 2.0turbo needs replacing, but trying to find a secondhand replacement has become impossible, so far eBay and parts finder have been used to no avail as well as a search on google.
Where else can should I look or anywhere that specialises with this?
The code is 8p0907115t. I was originally told it has to be this one, but someone selling one with a different code said it will work the same (I'm not convinced)

Also a friend has told me on some cars keys need to be recoded is this the same for this car?

At the minute I'm looking at £1000 bill if I was to have a new one!

Any help appreciated.

lemonslap

1,029 posts

186 months

Monday 14th July 2014
quotequote all
Can you not have it repaired?

Crafty_

14,229 posts

231 months

Monday 14th July 2014
quotequote all
I highly doubt that it will just work as a plug in and will need to be re-coded to work. What year is it, I'll see if I can find out

richcorsavxr

Original Poster:

966 posts

203 months

Monday 14th July 2014
quotequote all
Good question, audi believe the ecu has been tampered with by the previous owner, the car is getting fixed by a local trusted mechanic, but there's been no mention of having it fixed. I will find out tomorrow.

tr7v8

7,627 posts

259 months

Monday 14th July 2014
quotequote all
Various places fix ECUs the ECUDoctor, BBA Reman etc,

richcorsavxr

Original Poster:

966 posts

203 months

Monday 14th July 2014
quotequote all
Crafty_ said:
I highly doubt that it will just work as a plug in and will need to be re-coded to work. What year is it, I'll see if I can find out
It's a 2006 model. I've been told there's about 5 hours labour involved so I would assume that is mainly the recoding part of it.

Adrian E

3,368 posts

207 months

Tuesday 15th July 2014
quotequote all
So is it actually broken in some way, or 'tampered' as in remapped? If the ECU just needs flashing back to factory settings then Audi ought to be able to do that. I'm presuming there's some underlying reason that this work is required?

If there were an electrical fault then BBA or similar could repair the circuits but you'd need to call them to see if they can flash the ECU back to stock - I suspect they won't have a file unless they have a spare on the shelf and even then I'm not sure flashing of ECUs is their usual business.

If it's been remapped and you're not happy with the way it drives, or it's actually running badly, can you identify who has done it and return the car to them to be reset to stock settings?

richcorsavxr

Original Poster:

966 posts

203 months

Tuesday 15th July 2014
quotequote all
I had a word with the mechanic today, when he says tampered with its had some fault previously, and who ever had the job of fixing it didn't do it well so has to be replaced..
I've only had the car 3 months and we think a bodge job by the previous owner and sell it on quickly.

I've emailed numerous places and one has come back to be saying I need to send my broken ecu so they can move the immobilisers etc over to the replacement ecu. But speaking to my mechanic they told me they never herd of this method.

Adrian E

3,368 posts

207 months

Tuesday 15th July 2014
quotequote all
I've dealt with BBA Reman on a couple of occasions and they're pretty straightforward to deal with. If they say they can do it, I'd believe them. May be able to do you an exchange ECU or sort yours properly

anonymous-user

85 months

Tuesday 15th July 2014
quotequote all
you can get a plug and play ecu which will have immo off so leaves car open to thief as key last line of defence.. the immo is the chip in the ecu containing the security code to start car and turn immobilizer off. Tour mechanic doesn't seem knowledgeable on this..

most vag ecus can be recoded in car using vag tacho i understand but is dependent on the ecu.

i had a audi b5 1.8t and an ecu from a a3 1.8t would work as well so sometimes there are options so don't panic, and better to take time as i have had ecu issues and made a few mistakes sending off to people to fix who fed about and did nothing.

Iy is best to get the number off the ecu, usually 2 different numbers. looking online it looks like the number you gave matches these 2 ecus below, one a plug and play the other needs recoding to car for example around 500 quid but you could get one cheaper off a breaker car but would need ringing round and takes longer.

http://www.ebay.co.uk/itm/AUDI-A3-SPORTSBACK-injec...

http://www.cartechelectronics.com/plug-play-bosch-...

they recode as well for 500 quid so a good starting point but check your numbers first.

Edited by The Spruce goose on Tuesday 15th July 23:44


ps have you had the car read for errors with vag com, that would be my first point of call

Edited by The Spruce goose on Tuesday 15th July 23:47