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amlop
7th May, 2019, 09:14 PM
Hi all

I am trying to repair this dashboard of a Mercedes Vito with failure that turns on and off according to food in bank I read original microprocessor 2J74y with orange 5 I read eeprom flash1 flash2 flashhv1 flashhv2 are the ones that have data I have downloaded data in a new mcu 2J74Y and still making the same mistake gives the same error when I remove the bulb where the screen is removed the error when I put the bulb is still making the same fault the lighting is very bad does not illuminate much I have reviewed welding and I can not do someone can help me thank you.

I leave a video with the same fault that I have many thanks.

reference: A0004466021 HW: 19-00 SW: 46-99



(https://www.youtube.com/watch?v=uy1z0HAT384)

baze007
7th May, 2019, 10:43 PM
Buy New mcu 2J74Y from here and reflesh with orginal eeprom and flesh

http://www.codecard.eu/electronics/2j74y/mc68hc908az60-2j74y-new-empty-processor/prod_130.html

amlop
7th May, 2019, 11:22 PM
Buy New mcu 2J74Y from here and reflesh with orginal eeprom and flesh

http://www.codecard.eu/electronics/2j74y/mc68hc908az60-2j74y-new-empty-processor/prod_130.html



I have already put a new processor and the transfer of data from one processor to another and it does the same.

What else can I do?