Many people send mail and ask me if they can clone the mechatronic unit from older hardware to newer hardware by making copies one to one.
As a general rule , if your unit has SAME hardware number you can clone 1 to 1 , if not you must check if hardware architecture is the same.
So , older units are with a Motorola CPU and this have hardware numbers as :
02E927770M
02E927770L
02E927770G
02E927770AD
02E927770AE
This can be usually cloned 1 to 1 but I recommend only cloning 1 to 1if you do not have the possibility to flash with newer software version. Most of this older units ending in M ,L , G would have software numbers lower than 1000 and usually there are software updates newer than this.
Very seldom you will find good working units that are so old.
We call this units CXX hardware.
Example from a VCDS Advanced ID:
Advanced Identification
Serial number: 0000050221xxxx
Identification: TFK-030
Revision: 04004010
Date: 21.02.05
Test stand number: 0000
Manufacturer number: 0065
Flash Status
Programming Attempts: 2
Successful Attempts: 2
Programming Status: 00000000
Required Conditions: 00000000
Flash Tool Code: 00200 785 01324
Flash Date: 00.00.00
Software
0005
Misc.
Hardware number: 02E 927 770 AD
Lot Number: C30
Type Lock: 0000
Here you can see Lot Number C30.
If you have any other hardware model and you want to upgrade , you will just need to find the
correct SGO and flash it on the new unit. There is ALWAYS newer software for your vehicle that will fit your new hardware model.
The next hardware that came after the Motorola was 02E927770AJ that was first generation of hardware based on Infineon processor. This units have been manufactured only for a short period in 2008-2009 and then dropped. Why ... I guess because they were not quite as expected and got broken pretty fast, like any other "pre facelift" models :)
This units CA NOT BE CLONED into any other hardware, so if your unit is an 02E927770AJ you can only clone it to another 02E927770AJ ! PERIOD !
If you have an 02E927770AJ unit , look for the next generation units and flash it with the proper software.
Next generation units are also based on Infineon CPU but this units got are built much better and
only problems we tend to see in this units are fried solenoids and defective pressure sensors but lifespan is much improved.
This new generation units called also FXX have this hardware numbers :
02E927770AM
02E927770AL
02E927770AT
So if you have any of this hardware models , you can make clones 1 to 1 without any issues.
If your hardware is one of this models , USUALLY , you can not go backward to older hardware but sometimes it is possible to find some kind of solution ... but does it worth the time ?
The last generation DQ250 hardware is the MQB hardware and this units are also based on Infineon CPU but they have an immobilizer incorporated in them and they do NOT HAVE the input for the Multi-plate clutch oil temperature sender G509 / Gearbox input speed sender G182.
Hardware model for DQ250 MQB would be :
02E927770AQ
02E927770AS
02E927770AN
02E927770AR
This hardware can be cloned 1 to 1 and when you make a clone you need to clone both EEPROM and FLASH as the immobilizer is split into both eeprom and flash.
As an upgrade path you always go from CXX to EXX to FXX and never back from FXX.
When I say upgrade , I mean you will need to find suitable software for each platform , you can not cross flash Cxx / Exx / Fxx / MQB
If you do not know what software you need for your car , you can get this information from
DSGFILES.COM ---- > SOFTWARE FINDER BY VIN
So to summarize :
DQ250 CXX Hardware :
02E927770M
02E927770L
02E927770G
02E927770AD
02E927770AE
DQ250 EXX Hardware:
02E927770AJ
DQ250 FXX Hardware :
02E927770AM
02E927770AL
02E927770AT
DQ250 MQB Hardware:
02E927770AQ
02E927770AS
02E927770AN
02E927770AR
Whatever software you need for your gearbox , you can find it at DSGFILES.COM
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