Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Body Control Module: Description and Operation






Comfort System Central Control Module (J393)

General Information

The Comfort System Central Control Module performs the following tasks in the vehicle:

Sunroof control (issues enabling)

Window regulator control (issues enabling)

Central locking system control

Anti-theft warning system control

Radio receiver

Rear lid closing

Comfort operation

Some of the functions listed above can be adapted. Refer to=> [ Through MY 09, Adapting Components ] .

DTC Recognition and Display

The comfort system central control module is equipped with OBD.

Use the Vehicle Diagnosis, Testing and Information System (VAS 5051B) under "Guided Fault Finding".

Additional information:

Refer to the Owner's Manual.