It’s only available on later models. I had this message from Carista as I wanted it for that reason.
“It appears that the CAN gateway ECU (where the Battery registration service tool is coded) in your VW Transporter uses the old generation communication protocol (CAN). Unfortunately, we don't have Battery registration for those models at the moment. It's only available for models that use the next-generation protocol (UDS).”
“It appears that the CAN gateway ECU (where the Battery registration service tool is coded) in your VW Transporter uses the old generation communication protocol (CAN). Unfortunately, we don't have Battery registration for those models at the moment. It's only available for models that use the next-generation protocol (UDS).”