Mercedes Sprinter W906 all keys lost programming by xhorse vvdi prog and vvdi mb tool on bench. Reading MCU data using vvdiprog, no need to calculate password online. Password is extracted directly from dump.
FYI: Add a spare key is easier, check the guide here.
Device used:
Lishi HU64 auto pick
2 VVDI BE keys to be programmed
Benz EIS EZS Gateway test platform
Main steps:
Decode door lock
Remove EZS
Read EZS adapter
Make key
Procedure:
Decoding of the door lock (HU64) with the Lishi 2in1 Pick tool
Remove EZS
Read data with VVDI Prog software and EZS adapter (without soldering)
If don’t have EZS adapter, check wiring diagram and solder
In VVDIProg software, select Immobilizer->Benz-EIS Sprinter 9S12DT256 (Adapter)->Read ID
Read ID success
Read EEPROM and save data
Run VVDI MB software, select Prepare Key File-> Load EIS file
Load EIS data read by vvdi-prog
Select key7 and key8 unused key position and Prepare Key File
Insert key into EZS and turn ignition ON
Then remove key and insert BE key into vvdi mb tool
Calculate password success. Save key file.
Preparing key 7 and key 8 until completed
Go to Read Write Key function.
Load key7 key file and write key
Turn on ignition switch and turn off
Insert key into VVDI MB, write 1st key success
Repeat the procedure to write 2nd key.
Test both new keys. Working no issue, car starts, remote control works.
Done.