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

Control Module Bus Outputs







^ Maximum permissible torque (used by Trionic)(430/600), Maximum Permissible Torque
^ Selector lever position (used by Trionic and MIU) (430/600, 540), Gear Selector Position Sensor - Gear Engaged
^ Message addressed to SID (541), HIGH GEARBOX OILTEMP (used by SID), Transmission Fluid Temperature Sensor
^ CHECK GEARBOX lamp (used by MIU) (540), Check Gearbox Warning Lamp
^ SPORT (used by Trionic and MIU) (430/600, 540), Sport Shifting Program
^ WINTER lamp (used by MIU) (540), Winter Shifting Program