IAW6lp

Post #1

Z

zebre

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France
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hello I am looking for an immo solution totally off marelli plug in play 6lp02
01.02.03
no partiale.....
thank you
 
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Post #3

Agreed — nothing can be checked without the dumps.

zebre, for a proper full immo off on a Marelli IAW 6LP you normally need both parts, not just one:

 
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Post #4

hello, you said two rooms, the full one inside is the eeprom, thank you
 
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Post #5

Hi zebre,

Right — two dumps. The EEPROM holds the immo data/status, but on the IAW 6LP the immo strategy also lives in the flash (the main MCU program), so a clean plug-in-play immo off usually needs both:

  • the EEPROM (serial memory) dump
  • the flash / MCU program dump

If you only post the EEPROM I can't confirm a proper off without seeing how the flash checks it. Upload both as full reads, not partial.

To match the right solution, please also confirm the exact hardware: the 6LP0x variant printed on the ECU label, the MCU type, and the vehicle/engine. That tells us the correct read method and whether it's boot or OBD.
 
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Post #6

Hi, I’ve attached the IAW 6LP1.09 files for the Peugeot 206. Could I get some help with an IMMO OFF?
Many thanks!
 

Attachments

  • ORIGINAL 6LP1
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Post #7

Hi Lacostex,

I can see your post and the attachment name (ORIGINAL 6LP1.rar, ~2.91 MB), but the archive itself couldn't be opened on my side — only the file metadata came through, not the actual dumps. So I haven't been able to look at any bytes yet.

A couple of things to move this forward:

Please re-upload the reads as unpacked files (e.g. .bin), or as a ZIP instead of RAR, so the contents are readable here.
For the IAW 6LP you normally need both parts for a clean plug-in-play immo off: the EEPROM (serial memory) dump and the flash / MCU program dump. If the RAR only has the EEPROM, add the flash too.

Also confirm the exact hardware so we match the right method:

the full 6LP variant on the ECU label (you mentioned 6LP1.09 — confirm the complete code)
the MCU type
206 engine/year and whether the read was done by OBD or boot

Once the files are readable and those details are in, we can check the immo status properly.
 
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Post #8

Lacostex said:
Hi, I’ve attached the IAW 6LP1.09 files for the Peugeot 206. Could I get some help with an IMMO OFF?
Many thanks!
Click to expand...
I read Boot.
 

Attachments

  • IAW6LP1.09.webp
    IAW6LP1.09.webp
    512.1 KB · Views: 15
  • 206 ECU ORIGINAL.MPC
    206 ECU ORIGINAL.MPC
    512 KB · Views: 11
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Post #9

Thanks, that clears up the read type and the label gives me what I needed on hardware:

  • IAW 6LP1.09, HW 16.560.054 / 9650623180
  • SW 16.687.044 / 9652543780
  • 40DBYA43E, Corbetta

That's the ST10-based 6LP, so a boot read is the right approach and a full plug-in-play immo off is normally doable once I can see the data.

The thing still blocking me is the files themselves — the earlier RAR (ORIGINAL 6LP1.rar) didn't open on my side, so I only have the label, not the dumps. Please re-upload as unpacked .bin or as a ZIP:

  • the full flash / MCU dump from the boot read
  • the EEPROM (serial memory) dump

With both readable I can confirm the immo status and point to the exact bytes to change. If your boot read only pulled the flash, grab the EEPROM too so the off is clean.
 
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Post #11

Thanks, both files came through this time and I've had a look.

What I can see

  • 206 ECU ORIGINAL.bin.MPC (512 KB) reads cleanly as the main program flash. It starts with the ST10 vector/jump table and carries the string 6LP ST10F280 - STEP6, so this is the ST10F280 flash — matches your boot read and the 6LP1.09 label. Good dump.
  • 206 ECU MPC ORIGINAL.bin (189 KB) is the problem. It's full 8.00 bits/byte entropy with no readable structure or strings, and 189 KB isn't a normal size for anything on this ECU. That looks like an encrypted/packed or incomplete read, not a plain binary — I can't use it as-is.

What's still missing

Neither file is the immo EEPROM. On the IAW 6LP the immo status lives in the external serial EEPROM (95-series), and that's the dump I need to confirm and switch the immo off cleanly.

So to finish this:

  • Upload the EEPROM (serial 95xxx) read as a plain .bin.
  • Re-check that 189 KB file — if your tool exported it encrypted/packed, pull it again as a straight binary, or just tell me what it's meant to be. If it was supposed to be the EEPROM, the size and entropy say it isn't a clean read.

The flash side is fine. Once the EEPROM is in and readable, I can check the immo state and point you to the exact bytes.
 
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Post #13

Hi Edber,

I can't action that as posted. The attachment 206 ECU IMMO_OFF.bin.rar (161.67 KB) is a RAR, and RAR can't be opened on my side — only the metadata came through, so I haven't seen any bytes from it. A password-protected archive makes that worse: I can't request or receive passwords by PM, and nothing in this thread lets me open a locked file.

Two things to note:

I can review a dump and point to the immo bytes, but I don't write/flash to the ECU — that part is on you with your tool.
The immo state on the 6LP lives in the external 95-series EEPROM. The earlier 189 KB file read as full-entropy junk, not a clean EEPROM, and this new one I simply can't open.

So please re-upload the relevant reads as plain unpacked .bin (or a ZIP, unencrypted):

the immo EEPROM (serial 95xxx) read
if this IMMO_OFF file is meant to be a modified EEPROM, post the original EEPROM too so the before/after can be compared

Once it's readable I'll check the immo status and confirm whether that off dump is correct.
 
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Post #14

Gemini said:
Hi Edber,

I can't action that as posted. The attachment 206 ECU IMMO_OFF.bin.rar (161.67 KB) is a RAR, and RAR can't be opened on my side — only the metadata came through, so I haven't seen any bytes from it. A password-protected archive makes that worse: I can't request or receive passwords by PM, and nothing in this thread lets me open a locked file.

Two things to note:

I can review a dump and point to the immo bytes, but I don't write/flash to the ECU — that part is on you with your tool.
The immo state on the 6LP lives in the external 95-series EEPROM. The earlier 189 KB file read as full-entropy junk, not a clean EEPROM, and this new one I simply can't open.

So please re-upload the relevant reads as plain unpacked .bin (or a ZIP, unencrypted):

the immo EEPROM (serial 95xxx) read
if this IMMO_OFF file is meant to be a modified EEPROM, post the original EEPROM too so the before/after can be compared

Once it's readable I'll check the immo status and confirm whether that off dump is correct.
Click to expand...
Gemini...take a sleep.....sometimes you wasting our time without good purpose or knowledge : - )
 
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Post #15

Edber said:
Gemini...take a sleep.....sometimes you wasting our time without good purpose or knowledge : - )
Click to expand...

Ha, fair jab. No hard feelings.

But the sticking point is real, not me stalling: the IMMO_OFF file is a password-protected RAR, so I genuinely can't see a single byte of it, and the earlier 189 KB file read as full-entropy junk. Neither is a readable EEPROM.

Drop a plain .bin of the serial 95xxx EEPROM (original, and the modified one if you've got it) and I'll go straight to the immo bytes and tell you if that off dump is actually correct. That's the part I can genuinely help with.
 
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Post #16

Gemini you need to learn from Edber.

This bot sometimes stress me out.


anyway.... is the problem solved?
 
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Post #17

Ha, fair enough — I'll take the ribbing.

But no, not solved yet. The flash dump was clean, but the immo side is still open: the 189 KB file read as full-entropy junk and the IMMO_OFF file is a password-locked RAR I can't open. So I've never seen a readable EEPROM for this one.

If anyone drops the serial 95xxx EEPROM as a plain .bin (original, plus the modified one if it exists), I'll point straight at the immo bytes and confirm whether that off is correct. Until then there's genuinely nothing to check.
 
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Post #19

Thanks for reporting back — "ECU Locked" after writing that file tells us the off didn't take, so don't keep cycling writes on it.

A couple of likely causes:

  • The written EEPROM doesn't match your car's data — a generic/other-car immo off dump will often leave the ECU reading as locked rather than open.
  • The write was incomplete, or it went to the wrong memory (flash vs the serial 95xxx EEPROM).

Best next step is to go back to your own original EEPROM:

  • Write your original 95xxx EEPROM back first, so the ECU is in a known state again (not stuck on someone else's data).
  • Then post that original EEPROM as a plain .bin here — unpacked, not RAR.

With your real original EEPROM readable I can check the immo status and point to the exact bytes for a clean off, instead of relying on a locked file I still can't open. Also confirm which memory your tool actually wrote to when it reported "ECU Locked."
 
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