Where is the cpu on 2002 lexus

What is your question?

Problem with Lexus starting, replaced battery twice, Vsc light stays on, and sometimes will loose power while at a stop light. Was wondering where cpu is located?

What makes this problem better or worse?

Varies, won't start or will start then shut off.

How long has your 2002 Lexus LS430 had this problem?

Almost 5 months