[bboctavian]

Hello, i have a skoda superb2 with 24c64 NEC UDS VDO

The donor cluster can t write or write. i try to put in service mode buy grounding the NEC MCU at pin 67, show me brake light and blinking the belt light. but don t let me to read/write.

i try with xhorse key tool pad.

can someone help me with more info ?

[raffy haddad]

Service mode should desolder eeprom by external programmer read orig file save , make service file and write to eeprom , solder back to dash put dash in place turn ign on write by obd the orig file back to dash , read immo data and save

[bboctavian]

Is no external epprom on the pcb

Look on the photo

[jokir]

The external eeprom is located under the display.

[raffy haddad]

As our friend jokir mention
Under display and take it easy taking tje display out

[bboctavian]

Thanks a lot for the info.

I manage to make it happend when i select from key tool plus, VW instand of skoda, and use login 2 method...

I manage to read on bench without remove the eeprom ( thanks for sharing location ) with pongo pin (gnd) on the MCU