Bora 1.6 immo problem

[VTS_Tibi]

Hi Guys,


I have a VW Bora 1.6 16V (engine code: AZD) from 2002.03.18.

It has a Magneti Marelli IAW4MV.GC ECU.

Immo ID: VWZ1Z2B8702969 (it's an Immobilizer III. system)

I would need immo off from this ECU - please check last post!


The car was running OK, then the owner did not use it for over 6 months. When he tried to start it the battery went flat so it was impossible to do so.
He jumped the battery from an other car, but the Bora did not start, the immo light started flashing.



Fault codes:

Engine ECU /with Bosch KTS/

-P1570 Engine start blocked by immobilizer
-P1640 Internal Control Module (EEPROM) Error

Engine ECU /with Tecnomotor/

-018048 Internal control module (EEPROM) error
-001177 Engine Control Unit fault

Immobilizer control unit:

-017978 ECU blocked




In live data the most interesting part:

ECU answer - OK
Key answer - OK
Engine start allowance - NO


I've inspected the ECU's pins and the PCB and there's no water damage or corrosion.


With Tecnomotor/Digimaster II. I've read out the following codes:
IMMO code - 00155
ECU code - 07938
Kombiinstrument - 01113

I can do IMMO, ECU, and cluster coding with Tecnmotor, but it doesn't help.

When I recode the keys, the immo light goes off, but when I try to start the car the engine won't start, and when I switch ignition OFF and after ON, immo light starts flashing again!

A friend of mine has a VAG-Com, so if there's a solution using that interface just let me know!


Please let me know if anyone knows where should I look!

Regards,

Tibi

[don007]

Hi Guys,


I have a VW Bora 1.6 16V (engine code: AZD) from 2002.03.18.

It has a Magneti Marelli IAW4MV.GC ECU.

Immo ID: VWZ1Z2B8702969 (so it's an Immobilizer II. system)


The car was running OK, then the owner did not use it for over 6 months. When he tried to start it the battery went flat so it was impossible to do so.
He jumped the battery from an other car, but the Bora did not start, the immo light started flashing.



I've read the faults with Bosch KTS, and in the ECU they were following:

-P1570 Engine start blocked by immobilizer
-P1640 Internal Control Module (EEPROM) Error


With Tecnomotor I've read out the ECU again:

-018048 Internal control module (EEPROM) error
-001177 Engine Control Unit fault

And in the Immobilizer unit:

-017978 ECU blocked




In live data the most interesting part:

ECU answer - OK
Key answer - OK
Engine start allowance - NO



I've inspected the ECU's pins and the PCB and there's no water damage or corrosion.



With Tecnomotor/Digimaster II. I've read out the following codes:

IMMO code - 00155
ECU code - 07938
Kombiinstrument - 01113

And I can do IMMO, ECU, and cluster coding with Tecnmotor, but it doesn't help. A friend of mine has a VAG-Com, so if there's a solution using that interface just let me know!


Please let me know if anyone knows where should I look!

Regards,

Tibi
try and reprogram the key 1st

[VTS_Tibi]

That was the first I've tried, as per my post above:

"When I recode the keys, the immo light goes off, but when I try to start the car the engine won't start, and when I switch ignition OFF and after ON, immo light starts flashing again!"

[goldilox]

if you keep cranking it the immo goes into lock mode, I had a similar case a few months ago with a Polo. turned out to be the coil pack stopping the car from firing and constant cranking will lock ECU.
Just another avenue to look down. If it is Key the car will start but then die.
Thats all I can think of for now, hope it helps

[VTS_Tibi]

well, when I try to start the engine it fires into life for a split of a second, then it just keeps on cranking

[code_service]

1. Try recoding marelli ecu.
2. Try adapt adapt ecu to immo.
3. Try adapt key.
I think 2002 year is immo 3. If diagnostic program show VIN when conect to instrument cluster that is immo 3. If no then is immo 2.

Turn ignition on and wait 15 min before adapt procedure

[VTS_Tibi]

checked the cluster and it does shows VIN! so it's definetely Immobiliser III.

Tried the programming method above, but still no luck!!!

It seems like ECU pin is not correct.



Where can I get the ECU pin from?


I've spoke to the owner and he can live without immo, so I would also like to know what chip (and where) should I read out to get the immo dump!?

[code_service]

Dash pin = ECU pin
Wait 15 min and then try adapt..

[VTS_Tibi]

Dash pin = ECU pin
Wait 15 min and then try adapt..

I have these codes:

IMMO code - 00155
ECU code - 07938
Kombiinstrument - 01113



So you say, when coding the engine ECU I should use 01113?



I did the following:

Switched ignition ON -> waited for 15 minutes -> recoded the ECU -> then recoded the dashboard -> then adapted the key.

Is that what I should do?



Also, we've tried with VAG-Com with the following method:

Using VCDS or Vagcom go to:

Instruments>Login using dash pin code>Adaption>Channel 50>Enter Pin from ECU>Save>Close Controller.
Ignition Off>Wait 1 minute
Ignition On > If car will not start try to readapt keys.

PS: If adaption will not work try to enter Pin from Ecu without 0 in front.


but that also failed when we were at the "Enter Pin from ECU" point, as VAG-COM said ECU pin is not valid!!!!So what pin should I use at this point?

[toniz]

You should use Immo code ie 00155.
But strange why you got different code for ECU.
Try to login to Cluster with 00155 and see if you get in.
Then try to login to ECU with one of the code to confirm access.
Once you have the correct codes for Cluster and ECU, perform adaptation and key learning.
Good luck

[VTS_Tibi]

UPDATE!

a few mins ago we tried the solutions above! No luck! :(

We tried this:


Instruments>Login using dash pin code (00155) >Adaption>Channel 50>Enter Pin from ECU (7 digit pin we calculated with this soft: http://www.digital-kaos.co.uk/forums/f178/vag-4-pin-7-pin-converter-198080 - VAG Com accepted the code to be valid) >Save>Close Controller.
Ignition Off>Wait 1 minute
Ignition On > If car will not start try to readapt keys.


When ignition was switched back on, the immo light was still flashing. Then we readapted the keys, immo light went off. IGN off, IGN on and immo light flashing again!
So no luck!




We also tried this method:


Turn ignition on and wait 15 min before adapt procedure

1. Try recoding marelli ecu.
2. Try adapt adapt ecu to immo.
3. Try adapt key.


Again no luck! :(



So as it seems like the ECU is faulty - or at least the immo part of it, hence it gives codes like:

-018048 Internal control module (EEPROM) error
-001177 Engine Control Unit fault



Now I would like to remove the immo from this ECU (immo off):


http://i1115.photobucket.com/albums/k545/TestorVTS/IMG_20110330_134841.jpg

http://i1115.photobucket.com/albums/k545/TestorVTS/IMG_20110330_161043.jpg

http://i1115.photobucket.com/albums/k545/TestorVTS/IMG_20110330_161120.jpg



I've consulted with Emin (developer of Otocheck V2) and he said I can not remove the immo from this ECU with Otocheck.

Could someone help me which chip should I read out?

And if I read the dump, will somone be able to write the immo off from the dump?

[VTS_Tibi]

What is the chip's number I have to read out - sorry for being impatient, but I would like to know what kind of chip I'll have to read, as I have to buy an EPROM programmer first!

I'm thinking about UPA, but I have to be 100% the tool could do this car!!!

[VTS_Tibi]

Just had a look around, and this is a pretty common fault with these 1.6 16V and 1.4 16V VAG engines which use the Marelli IAW4MV ECU.

Immo dump gets corrupted when they try to crank the car with a dead battery.

So now, I would have to replace the dump in the 95080.

What tool would you suggest for this kind of job? UPA or XProgM?

[VTS_Tibi]

just checked that my Digimaster II. can write 95080, so no need to buy a programmer YET!!!

[toniz]

Did you try to log in to ECU? If so, what PIn did it accept?
You should try adapting ECU from channel 50 for immo3, not just channel 00 and save.
But internal error might be damaged dump, what engine code is this car?
Post dump from ECU.

[VTS_Tibi]

yeah, tried that! for the ECU I had to give the 7 digit pin code

I've tried adapting the ECU from channel 30 still no luck!

If I suceed, I'll post the dump tomorrow! ;)

VW Bora 1.6 16V (engine code: AZD) from 2002.03.18.


I have a dump for that (the immo), but an other dump can't hurt ;)

[simon77]

this will sound really stupid. i had this on a vw beetle same as yours after flat battery. recoded keys ok, next day car out side shop again no start immo light flashing.
reprogramed key light went off open close switch flashing light again.after many hours of playing i removed the battery and went home . next day i put a new battery on the car and started over from the gegining. light went out car started and has never had problem since
i know its stupid but i just thought a would say
regards

[VTS_Tibi]

here's the dump from the 95080

could someone check or edit it?

[toniz]

Can you read and save dump as BIN?

[VTS_Tibi]

unfortunately not :( I have a Digimaster II. and I can only save the file in .yhf or .yht

I've tried opening the file with a hex editor then hitting "save as" and setting the extension as bin, but when I compared the two files they were absolutely different!... is it OK this way?

anyway, I've attached the .bin file

[VTS_Tibi]

anyone? :)

[VTS_Tibi]

today I asked the guys at Digimaster to convert the file to .bin, and they did the converison for me - joys of original tools! - and now the contents are the same of the .yhf and the .bin file!

so here's the dump in .bin format with the correct internals!

:)

[INJECTMDS]

Good Afternoon!!

Look that I caught one Pole here here with the same problem!!

First thing what you have wants to see oh, it is if the panel is criptografado or is normal. Use the Paines Cripto transponder ID48 (T44), the normal panel uses id48 (t42).

The transponder ID48 (T44) not accepted carving again, has to exchange for a new, this Can be that q happening oh.

[toniz]

Considering that i dont see VIN and immo id in your dump, it is either corrupt or immo 2, but even immo 2 ECU should have the ECU number in dump.
Try this dump, it is from a BBY engine, it will probably trow incorrect coding errors, but it should adapt. Alternatively you could search for dump on the net, and post here to get pin code.

Pin 03982

Good luck

Also adaptation is on channel 50, not 30.
Immobilizer III ECU Swapping - Ross-Tech Wiki (http://wiki.ross-tech.com/wiki/index.php/Immobilizer_III_ECU_Swapping)

[VTS_Tibi]

if the problem is coding only I won't have any problem as I can access a VCDS

VCDS showed the ECU ID and VIN at the immobilizer, so it should be Immo III.

I guess the dump is simply corrupted...

Will try the dump you've posted and report back ;)




If I'm correct, I should do the following (after I've loaded up the new dump into the chip):


1. [Select] -> [01 - Engine] -> [Login - 11]

For the following procedure, use the PIN of the NEW(USED) ECU. (03982)


2. [OK] -> VAG-COM will validate the data you have entered and return you to the Login screen, where the Login Code will show as "XXXXX".

[Do it!]


3. [Adaptation - 10] -> Enter 050 in "Channel Number" -> [Read]

For the following procedure, use the PIN of the OLD (ORIGINAL) ECU. (00155)


4. [OK] -> VAG-COM will validate the data you have entered and return you to the Login screen, where the Login Code will show as "XXXXX".

[Save] -> [Done, Go Back] -> [Close Controller, Go Back - 06]


5. Switch OFF the ignition and let the car sit for ~1 minute, then switch ON the ignition again.


6. Verify that the NEW (USED) ECU now shows the VIN and if supported IMMO-ID of the vehicle now.

[VTS_Tibi]

UPDATE!!!!

The car fired into life! :cool:


but as the dump is from a different car, the ECU would need coding to the certain car - like ABS ; A/C; etc...

but whenever we try to do the coding with VCDS (VAG-Com), the ECU seem to accept the new code, but when VCDS reads out the code again, it still shows the original code

and in various control units it shows - ECU coding fault...


Is there a certain way how we should do the coding?

[toniz]

Well, so far so good.
Like i said, you will get coding error, but you should test drive the car now and see if it has any problems. The best would be to surf the forums and find good dump for your engine code, and post here to give you pin.
Test drive, and report back if something is wrong. I have done cars like this, and apart from the coding error, there are no other issues with driving and operation.

[VTS_Tibi]

well A/C won't switch on, so I have to do something with it!

I found this dump. Could you please read the pin out? :)

[kareszka]

Hi!
PIN: 01678

[VTS_Tibi]

the car started without a problem with the new dump, and now no coding error was present and the A/C worked like it should

Thanks Guys! I love the way everyone help each other on this site :)



p.s.: how could you read out the pin from a dump?

[faze]

the car started without a problem with the new dump, and now no coding error was present and the A/C worked like it should

Thanks Guys! I love the way everyone help each other on this site :)



p.s.: how could you read out the pin from a dump?


For PIN CODE use Immoreader 5 (you find it here http://www.digital-kaos.co.uk/forums/f175/golf-iv-1-6-marelli-ecu-69900/) or use any hex redactor