It is a Volvo XC-90 2021. We need to add a spare key to it using Xhorse VVDI Key Tool Plus. We need to read CEM data first and program key.
Step 1: Read CEM data
Remove CEM module. Find chip 0N78S. Read this chip data.
Connect Xhorse Volvo CEM XDNP52 (MPC5748G) solde free adapter with CEM module and key tool plus.
Select IMMO Programming->Volvo->XC90->2015 onwards-> Smart key system
Read the CEM Data->Adapter method
Read and back up CEM data.
Step 2: Program Key
Select Add smart key
Load the CEM module data we read in step 1 to obtain 10-digit pin code
Turn Start knob to the right once then release.
Place original key into sensoring area (cup holder)
If programming failed, change the key in the sensoring area for different positions.
Program 1st key successfully.
Repeat the same step to program next key.