Reading Off Control Module Identification
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
The VIDA PC can identify the control module by reading off a code from the control module memory. This code contains information about the control module P/N.