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

Steering Column Control Module: Service and Repair


WM 486919 Removing and installing Servotronic control module

Removing Servotronic control module





Remove trim panel under dashboard -> 701919 Removing and installing trim panel under dashboard - section on "Removing" 701919 Removing and installing trim under dashboard.

Remove holder for stop light switch -> 481519 Removing and installing steering column - section on "Removing" 48151950 Removing and Installing Steering Column.
1. Release the left relay carrier -Arrows A- and pull it down and out -Arrow B-.





2. Remove the control unit from the relay carrier -arrow-.






Installing Servotronic control module

1. Place control unit on the relay carrier -arrow-.





2. Press the relay carrier into the holder -Arrow A- until the locking tabs engage audibly.





Install holder for stop light switch -> 481519 Removing and installing steering column - section on "Installing" 48151950 Removing and Installing Steering Column.

Install trim panel under dashboard -> 701919 Removing and installing trim panel under dashboard - section on "Installing" 701919 Removing and installing trim under dashboard.