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pcr 2.1 help corupted eprom end flash
09-06-2026, 21:22 PM, (This post was last modified: 09-06-2026, 21:26 PM by bbdzole.)
Post: #1
pcr 2.1 help corupted eprom end flash
hello

it is a vw passat 2010 year, 1.6 tdi, pcr 2.1
the car was running, it had a problem with the dpf, the eprom was циLoскёd, i read the flash and turned off the dpf, wrote it in and the car won't start anymore. i tried to put the old flash back but it's still the same. i doubt that the eprom is wrong. please help if anyone knows. thanks[attachment=251509][attachment=251509]


Attached Files
vw pasat 1.6 tdi pcr 2.1 laza kovilj 03L906023FS_9972-20260609-113614.rar
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Size: 105.02 KB

vw pasat laza kovilj 1.6 tdi prc 2.1 eeprom disable signature 03L906023FS_WVWZZZ3CZCE168716-20260609-210713.rar
File Type: .rar
Downloaded: 12 times
Size: 2.14 KB

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10-06-2026, 07:02 AM,
Post: #2
RE: pcr 2.1 help corupted eprom end flash
(09-06-2026, 21:22 PM)bbdzole Wrote:  hello

it is a vw passat 2010 year, 1.6 tdi, pcr 2.1
the car was running, it had a problem with the dpf, the eprom was циLoскёd, i read the flash and turned off the dpf, wrote it in and the car won't start anymore. i tried to put the old flash back but it's still the same. i doubt that the eprom is wrong. please help if anyone knows. thanks

i can help you,
you need to read the full flash, (obd is not enough),
ulpoad it and we will fїж it,

the reason it no longer starts is that the DPF solution is faulty; it damages the flash memory content
but as I said, to repair the flash, we need the full flash(bench/boot)
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10-06-2026, 10:21 AM,
Post: #3
RE: pcr 2.1 help corupted eprom end flash
your eeprom is good you have problem in flash
Do what MahoJohn tells you.
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10-06-2026, 17:01 PM, (This post was last modified: 10-06-2026, 17:04 PM by Morgano.)
Post: #4
RE: pcr 2.1 help corupted eprom end flash
=== EEPROM DECRYPTION ===
VIN: WVWZZZ3CZCE168716
IMMO ID: 00000000000000
CS: 05 27 5B 4E D0 26 00
MAC1: 371C
MAC2: C87C
PC: 3A
PIN: 0x52B9 (21177)
STATUS: LOCKED
==========================================

In case you need copy immo data to other ecu.

I would start by циLoскing te eeprom as it is locked right now (at least the one on first post) and then trying to write back original file.

Regards,
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