Steering wheel gear shifter, function - GF27.19-P-5137-04NKB

The status of the steering wheel gear shifter MINUS (S110/1) and steering wheel gear shifter PLUS (S111/1) is read by the steering column module (N80) via Local Interconnect Network (LIN). The steering column module (N80) places the signal "Upshift" or "Downshift" on the Controller Area Network bus class C (engine compartment) (CAN-C).

The fully integrated transmission control (VGS) control unit (Y3/8n4) receives the request and initiates the gear change.

Gear changes which could result in impermissibly high or low engine speeds Gear changes which could result in impermissibly high or low engine speeds are not performed.