bmw 120d dtc 46d1

[adjee]

Hello,
i have dtc 46D1 in ecu and car dont start and cant conect diag to the car , when i compare chksum eepm ecu and cas i have the same chksum B8 D2 strange.
anyone can help me please.

thanks in advance

[morgano]

What you see matching is ISN not checksum.

How can you say you have dtc code if you cannot connect diag to car? Sounds strange.

[alonedark]

isn can see in eprom file 2 seconds of work871457

[alonedark]

if you cant diag how do you khow the dtc??? stranger

[kiszka]

Hello,
i have dtc 46D1 in ecu and car dont start and cant conect diag to the car , when i compare chksum eepm ecu and cas i have the same chksum B8 D2 strange.
anyone can help me please.

thanks in advance

check this file maybe it will be okay
https://mega.nz/file/d3RiWTQD

[alonedark]

but the problem what is , if you have problem in cas after programind need to put to ffffff some line ,but i dont understand what is the problem ,






si no lo tocas mejor

[kiszka]

but the problem what is , if you have problem in cas after programind need to put to ffffff some line ,but i dont understand what is the problem ,






si no lo tocas mejor


Hello,
i have dtc 46D1 in ecu and car dont start and cant conect diag to the car , when i compare chksum eepm ecu and cas i have the same chksum B8 D2 strange.
anyone can help me please.
thanks in advance

I marked the problem in red

[adjee]

Before I can Diag car but now can’t .

[adjee]

check this file maybe it will be okay
https://mega.nz/file/d3RiWTQD

thanks friend i will test

[adjee]

check this file maybe it will be okay
https://mega.nz/file/d3RiWTQD

hi
now I have engine light but car don’t start and I can’t connect to the car.
tomroow will clone ecu and cas and will tell you if can connect .
thanks

[Aladinnu]

46D1 seems like internal ecu fault. try to flash with winkpf. maybee u are lucky