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keymaker.gr
28th January, 2022, 08:29 AM
H i all i need help with a Volvo V40 ...with original cem with mc9s12dt256...i loose dashboard...after i disconnect it it works again......
i clone the cem and gives me same problem and also remote dont working but car starts....... can anyone check flash to see if the file is correct ? or i should check something else ??
Thanks in advance...

Mr BLACK
28th January, 2022, 09:26 AM
if cem is with 2 cpu ...copy 2 cpu ....you must copy 2

Mr BLACK
28th January, 2022, 09:36 AM
flash and eeprom mcu secured ...use all wires ...if you use x prog use all wires ( xtal....etc)

keymaker.gr
28th January, 2022, 10:00 AM
I did copy both mcu's.... Car starts... Bit dash again turns off car still working

Mr BLACK
28th January, 2022, 10:12 AM
remote is working now ?

darrenhyland
28th January, 2022, 10:21 AM
Check charging voltage......I had one similar charging too high and causing dash to cut out. Check for faults in all modules. Turn on ignition but don't start and see if dash stays on until the car is running.

keymaker.gr
28th January, 2022, 10:27 AM
Remote on donor nop....

keymaker.gr
28th January, 2022, 10:27 AM
I will thanks

Mr BLACK
28th January, 2022, 10:42 AM
remote must work ....cpu form left is 9s12dg128b ? remote is in this cpu ....do you get error when wtite cpu ? do you have airbag light on with used cem ?

keymaker.gr
28th January, 2022, 12:34 PM
remote must work ....cpu form left is 9s12dg128b ? remote is in this cpu ....do you get error when wtite cpu ? do you have airbag light on with used cem ?

no error on writing and no airbag light is on.... only dash is completelly dark..... only once worked for 5 min the dash turned off again...but car is starting and remote never worked