Octavia 2 ECU ReMap Help

m-murray · 08-02-2007, 14:23

Just bought the EDC16 remap software and cables, in short I am having problems connecting to the ECU, anyone used this kit before or have any ideas?

faboka vrs · 08-02-2007, 14:33

Was it off ebay? If so you've probably bought a clone device. Not a genuine one.

Does the device support your car?

m-murray · 08-02-2007, 15:29

Yes from e-bay, it clearley stated that it works on the Octavia 2.0tdi.

faboka vrs · 08-02-2007, 16:35

Thats the problem with these ebay flashers. From what I understand they are clones and so not made to the same standards. Not sure but I think its a case of the look of the draw if they work or not.

Have you tried contacting them?

m-murray · 08-02-2007, 16:41

Yeah, he says he will find out if there is anything extra needed to be done when trying to connect such as removing certain fuses.

auroan · 08-02-2007, 16:44

Hmmmm, shall we wait for the "I've knacked my ECU" thread ?

Something like this I wouldn't really trust e-bay with.

**VRStu** · 08-02-2007, 17:23

Quote:

Originally Posted by m-murray

Just bought the EDC16 remap software and cables, in short I am having problems connecting to the ECU, anyone used this kit before or have any ideas?

Mate it's a nice idea and good on you for taking the plunge but I really do think you are playing with fire. Unless you are prepared to shell out for a new ECU should the worst happen or a new turbo should you manage to map it with a somewhat sub standard map I would leave well alone.

I'd also like to quote some text from a document I may or may not have seen.

Quote:

4th generation immobiliser (Octavia II)

4th generation immobiliser comes with model range Octavia II and due to its new features, improves the protection against theft.

It is necessary to stress that the system itself provides the electronic protection for the engine control unit and that is why it is important to pay attention especially when accessing the engine control unit.

Differences between 3rd and 4th generation of immobilisers:

Using the brand code prevents the use of different parts among the VW Group

Each kind of engine control unit has its own code preventing so-called chipping / tuning. (255 potential categories)

Coded data exchange between immobiliser and engine control unit even while learning adaptation is applied.

Waiting period of 5 min for learning of new components being installed into the system

Different crypto code algorithm for key and for engine control unit

m-murray · 08-02-2007, 17:31

Thanks for that, but its a risk im willing to take

cheezemonkhai · 08-02-2007, 18:39

As an engineer who works with encryption and embedded systems (which is what the ECU is), I feel you are playing with fire and quite likely to have problems. Trying to flash program with an unreliable cable/JTAG/etc is the easiest way to break a system.

Do you know anybody with access to a suitable chip programmer who can also solder very well, as you could copy what is in the flash out, and then flash it and if it fails get the old image copied back.

There are a multitude of things which could be done to make a chipped car just die, under the guise of the phrase used on the document that Stu "hasn't seen".

If you are sure you want to do this, then I would seriously make sure you have alternative transport available

Makefish · 08-02-2007, 18:58

This could well end in tears, you have ben warned!

yellowcupra · 08-02-2007, 19:59

Yes the interfaces on ebay are clones and can leave you with an expensive door stopper!
It is a clone of a CMD tool by what i can learn. The 2.0 engine uses different ECU's in different cars.
Early models use a Bosch EDC16U1 this your interface might work with.
Next came the Bosch EDC16U34 only expensive genuine kit covers this.
Lastly the new 2.0 170 TDI uses a Siemens ECU and even most of the big tuners cant do this over the OBD port.

As others have said the quality of the file you plan to upload is the most important thing of all.

Hope this helps

m-murray · 08-02-2007, 20:24

Many thanks for all the advice!!

Reguarding the comment about taking a copy of the current "flash data" the cable provided is ....."suppossed" to take a copy of original data so that it can be restored later if needed.

If my main problem is with my "cloned cable" where can I obtain an original? I know it will be expensive but I have allready forked out over £1500 on chips for previous vehicles in the last 2 years so in the long run will work out cheaper!

As for suitable maps I have aquired some from proven sources but until I can connect to my ECU to get the serial/model number I wont know if these maps are compatible, I understand that there are differant versions off maps for the same model ECU's.

cheezemonkhai · 08-02-2007, 22:18

The problem with copying it back via the OBD port is this:

Every system has a bootloader which will bring the system up so the OS can load.
If you screw the bootloader there is no way to bring the drivers up for the ODB port and so no way to reprogram the data back. At that point you would need to get the chip out and have it reflashed by somebody with the right software or a new ECU unit if this isn't possible.

All I am saying is if you do this get a copy on something that requires the chip to be taken out, as that way there is no way you can't reprogram the entire image back on by force.

m-murray · 09-02-2007, 17:44

Thanks for the info!

08-02-2007, 14:23	#1
m-murray Briskodian Join Date: Aug 2006 Posts: 14 Members Car: Thanks: 0 Thanked 0 Times in 0 Posts	Octavia 2 ECU ReMap Help Just bought the EDC16 remap software and cables, in short I am having problems connecting to the ECU, anyone used this kit before or have any ideas?

08-02-2007, 14:33	#2
faboka vrs Briskodian Join Date: Oct 2003 Location: Merseyside Posts: 6,048 Members Car: 2004 Fabia vRS TDI PD130 Thanks: 14 Thanked 46 Times in 46 Posts	Re: Octavia 2 ECU ReMap Help Was it off ebay? If so you've probably bought a clone device. Not a genuine one. Does the device support your car? __________________ John 2004 Skoda Fabia vRS - Xenons - Heated Seats - Cruise Control - Passenger Airbag Deactivation switch - Side Airbags

08-02-2007, 15:29	#3
m-murray Briskodian Join Date: Aug 2006 Posts: 14 Members Car: Thanks: 0 Thanked 0 Times in 0 Posts	Re: Octavia 2 ECU ReMap Help Yes from e-bay, it clearley stated that it works on the Octavia 2.0tdi.

08-02-2007, 16:35	#4
faboka vrs Briskodian Join Date: Oct 2003 Location: Merseyside Posts: 6,048 Members Car: 2004 Fabia vRS TDI PD130 Thanks: 14 Thanked 46 Times in 46 Posts	Re: Octavia 2 ECU ReMap Help Thats the problem with these ebay flashers. From what I understand they are clones and so not made to the same standards. Not sure but I think its a case of the look of the draw if they work or not. Have you tried contacting them? __________________ John 2004 Skoda Fabia vRS - Xenons - Heated Seats - Cruise Control - Passenger Airbag Deactivation switch - Side Airbags

08-02-2007, 16:41	#5
m-murray Briskodian Join Date: Aug 2006 Posts: 14 Members Car: Thanks: 0 Thanked 0 Times in 0 Posts	Re: Octavia 2 ECU ReMap Help Yeah, he says he will find out if there is anything extra needed to be done when trying to connect such as removing certain fuses.

08-02-2007, 16:44	#6
auroan Briskoda Staff Join Date: Oct 2005 Location: North Yorkshire Posts: 2,873 Members Car: AUDI A4 B7 2.0 TDI SE Saloon Thanks: 206 Thanked 112 Times in 98 Posts	Re: Octavia 2 ECU ReMap Help Hmmmm, shall we wait for the "I've knacked my ECU" thread ? Something like this I wouldn't really trust e-bay with. __________________ '05 Audi A4 2.0 Tdi SE - no mods until the warrenty expires ... yeah right... interior light pack, 3 spoke mfsw. '00 Audi A4 2.8 Quattro - Gone.... (bleeding money pit ) Audi A4 2.6 Avant (Breaking - Check out http://shop.ebay.co.uk/merchant/auroan)

08-02-2007, 17:31	#8
m-murray Briskodian Join Date: Aug 2006 Posts: 14 Members Car: Thanks: 0 Thanked 0 Times in 0 Posts	Re: Octavia 2 ECU ReMap Help Thanks for that, but its a risk im willing to take

08-02-2007, 18:39	#9
cheezemonkhai Briskodian Join Date: Jan 2006 Posts: 15,575 Members Car: Thanks: 111 Thanked 512 Times in 475 Posts	Re: Octavia 2 ECU ReMap Help As an engineer who works with encryption and embedded systems (which is what the ECU is), I feel you are playing with fire and quite likely to have problems. Trying to flash program with an unreliable cable/JTAG/etc is the easiest way to break a system. Do you know anybody with access to a suitable chip programmer who can also solder very well, as you could copy what is in the flash out, and then flash it and if it fails get the old image copied back. There are a multitude of things which could be done to make a chipped car just die, under the guise of the phrase used on the document that Stu "hasn't seen". If you are sure you want to do this, then I would seriously make sure you have alternative transport available __________________ Cars make CO2 and trees absorb CO2. By driving your car you're feeding a tree and helping the environment.

08-02-2007, 18:58	#10
Makefish Ex-Moddy Join Date: Jul 2005 Location: Hampshire Posts: 8,277 Members Car: Golf PD105 Thanks: 187 Thanked 248 Times in 184 Posts	Re: Octavia 2 ECU ReMap Help This could well end in tears, you have ben warned! __________________ Superchips Bluefin only £390 @ JKM http://www.jkm.org.uk/performance/bluefinxmas2008.htm

08-02-2007, 19:59	#11
yellowcupra Briskodian Join Date: Sep 2005 Location: yorkshire Posts: 126 Members Car: Thanks: 0 Thanked 5 Times in 5 Posts	Re: Octavia 2 ECU ReMap Help Yes the interfaces on ebay are clones and can leave you with an expensive door stopper! It is a clone of a CMD tool by what i can learn. The 2.0 engine uses different ECU's in different cars. Early models use a Bosch EDC16U1 this your interface might work with. Next came the Bosch EDC16U34 only expensive genuine kit covers this. Lastly the new 2.0 170 TDI uses a Siemens ECU and even most of the big tuners cant do this over the OBD port. As others have said the quality of the file you plan to upload is the most important thing of all. Hope this helps Last edited by yellowcupra; 08-02-2007 at 20:00. Reason: spelling!

08-02-2007, 20:24	#12
m-murray Briskodian Join Date: Aug 2006 Posts: 14 Members Car: Thanks: 0 Thanked 0 Times in 0 Posts	Re: Octavia 2 ECU ReMap Help Many thanks for all the advice!! Reguarding the comment about taking a copy of the current "flash data" the cable provided is ....."suppossed" to take a copy of original data so that it can be restored later if needed. If my main problem is with my "cloned cable" where can I obtain an original? I know it will be expensive but I have allready forked out over £1500 on chips for previous vehicles in the last 2 years so in the long run will work out cheaper! As for suitable maps I have aquired some from proven sources but until I can connect to my ECU to get the serial/model number I wont know if these maps are compatible, I understand that there are differant versions off maps for the same model ECU's.

08-02-2007, 22:18	#13
cheezemonkhai Briskodian Join Date: Jan 2006 Posts: 15,575 Members Car: Thanks: 111 Thanked 512 Times in 475 Posts	Re: Octavia 2 ECU ReMap Help The problem with copying it back via the OBD port is this: Every system has a bootloader which will bring the system up so the OS can load. If you screw the bootloader there is no way to bring the drivers up for the ODB port and so no way to reprogram the data back. At that point you would need to get the chip out and have it reflashed by somebody with the right software or a new ECU unit if this isn't possible. All I am saying is if you do this get a copy on something that requires the chip to be taken out, as that way there is no way you can't reprogram the entire image back on by force. __________________ Cars make CO2 and trees absorb CO2. By driving your car you're feeding a tree and helping the environment.

09-02-2007, 17:44	#14
m-murray Briskodian Join Date: Aug 2006 Posts: 14 Members Car: Thanks: 0 Thanked 0 Times in 0 Posts	Re: Octavia 2 ECU ReMap Help Thanks for the info!

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