How to Repair BMW CAS4 if Killed by OBD Downgrade?🤔
How to fix corrupt Pflash or Dflash?🤔
cas4 5M48H BMW F10 corrupt data ?🤔
Program BMW CAS4/CAS4+ Key Learning
key renew and programming 👍
take donor CAS, virginize the keys or add new key
d-flash corupted
Here comes similar problems:
Problem 1:
vvdi2 killed my CAS4. How to fix corrupt flash?
The car is F10 from 2013.
I was trying to make a spare key today using new option in Xhorse VVDI2.
To do that the tool has to unlock the CAS unit but with my version first it asked for upgrade. So I started
the upgrade and the time error showed on the 2nd level of flashing.
I tried several more times but no luck. How to fix corrupt flash?
Problem 2:
I was trying to make a key today using vvdi2, when updating the CAS its good, but when add key the car not start, I tried several more times but no luck. How to repair the unit?
Solution:
Your P-flash is corrupted.
Try to program P-flash. upload another flash from the processor with the same number and then upload D-flash. and everything will be as before.
A lot of procedure can do but you must have other tools like cgdi bmw, hexprog auto hex, ista+ etc.
Or send eeprom and flash to experts who can dump a good flash.
For example:
1). Problem solved by flashing original back up on donors cas.
2).
Started from CAS4 -create all data from scratch. Flash updates to couple of units (with ista+).
Car is alive again.
All works.
Another CAS4 failure after odometer correction.
Problem with bmw cas4+ module, after mileage reset with cgdi, keyless/remote does not work anymore. I can start car only with key put near steering column. Now cas shows its using frequency 16983 instead 868, when i try to add key it shows me message that current key frequency does not match. Ive tried restore coding, reflash/update with esys. no luck, i think my dflash is corrupt.
Problem solved, repaired frequency in dump and added key and all ok.
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13 янв 2024
