Car phone box

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Car Phone Box

Courtesy of VOLVO CARS OF NORTH AMERICA.

The phone box communicates with the phone module (PHM) via a communication bus installed on the right-hand side of the car. It transfers audio signals, voltage and messages for communication. The phone box contains a GSM unit and a SIM card holder.

There are diagnostics for the phone box.