How-to: add a new smart key to a Porsche Macan BCM 1N35H with xhorse vvdi key tool plus and XDNP17 BCM solder free adapter.
3 Steps to complete key programming:
Step 1: Read D-FLASH
Remove BCM module under instrument cluster on the driver side
Connect BCM module with key tool plus via XDNP17 BCM solder free adapter
Go to Prog- IMMO-Porsche- BCM 1N35H Backup- Adapter- Read
Save D-flash data
Step 2: Make dealer key
Go to Immo Programming- Porsche- New Porsche Key Generate dealer key- Generate key-EEPROM 1N35H
Load eeprom D-flash read in step 1
Select an unused key position
Insert new key into induction coil
Save new eeprom data
Xhorse key tool plus generated dealer key successfully. There are 2 ways to make a new key.
1). Write back the new data to vehicle (upload newly eeprom).
2) Or after make dealer key add over obd to car (learn key via OBD by uploading original d-flash we read from the car)
Step 3: Learn key
Insert the original key into igntion switch, turn on ignition
Select New Porsche Key -Key Learning- Learn key
Upload original d-flash we read in Step 1
Enter the number of keys to be programmed: 2
Check key status in the dashboard
It shows 02-01, 1st key learn successfully, insert 2nd key quickly to ignition to complete 02-02 key learning.
All keys have been learned successfully.
Remote control works fine, the new key can star vehicle.