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)

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Principles of Operation

PRINCIPLES OF OPERATION

The driver seat module (DSM) is on the universal asynchronous receiver-transmitter (UART)-based protocol (UBP) communication network, circuit 2077 (PK/LB). The DSM controls the positioning and programming of the driver seat, memory pedals and memory exterior rear view mirrors. The DSM is located under the driver seat. For removal information, refer to Driver Seat Module (DSM).