Unlocking from the Service Center, Vehicles without Contact in Trunklid Handle

Fig 1: Identifying Volvo On Call Plus Unlocking Service

Courtesy of VOLVO CARS OF NORTH AMERICA.

• The owner contacts the Service Center and identifies himself with a password.
• The owner and the Service Center determine the time at which the vehicle will be unlocked.
• The Service Center sends a signal to the PHM.
• At a fixed time, the PHM sends a request to the CEM via CAN to deactivate the alarm and unlock the vehicle.
• The PHM sends confirmation to the Service Center that the vehicle has been unlocked and the alarm deactivated.