Power Top Control Module: Description
WARNING: This page is about a different car, the 2006 Chrysler Crossfire. However, it is still accessible from the selected car via links, so may be relevant.
The Power Top Control Module (PTCM) (1) is located in the trunk below the left rear tail light assembly and next to the power top hydraulic assembly.
The PTCM is mounted to an attaching bracket at the power top hydraulic assembly. The PTCM is a microprocessor based module that monitors and operates the power top functions.