Power Module Functions: Overview

Optimum charging.
Load-circuit peak reduction.
Shut-down of auxiliary consumer circuits in the event of low voltage.
Closed circuit current monitoring.
Distribution mode.
Automatic electrical system isolation.
Load cutout.
Electronic fuses.
Central battery voltage notification.
Rear window defogger output.
Interior lighting control.
Trunk lid and fuel filler flap control.
Data memory storage.
Emergency-mode functions.
Check Control messages.
Diagnosis.