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

Display Groups 50 to 69 (Speed Regulation)




Measuring Value Blocks, Evaluating Display Groups 50 To 69 (Speed Regulation)

Display group 50 (Speed regulation)Operating condition


Display Group 50:






Display group 54 (Speed regulation)


Display Group 54:






Display group 55 (Speed regulation) Idling stabilization


Display Group 55:






Significance of 5 digit number block







Display group 56 (Speed regulation) Idling speed stabilization


Display Group 56:






Readiness code

Display group 60 (Speed regulation) Adaptation EPC system


Display Group 60:






Display group 61 (Speed regulation) Electronic Power Control (EPC)


Display Group 61:






Display group 62 (Speed regulation) Electronic Power Control (EPC)


Display Group 62:






Vehicles with automatic transmissions

Display group 63 (Speed regulation) Kick down adaptation


Display Group 63:






Vehicles with engine code AWP and cruise control system (CCS)

Display group 66 -Cruise control system


Display Group 66:






Significance of the numbers in the 8-digit display, display field 2, brake and cruise control switch







Significance of the numbers in the 8-digit display, display field 4, cruise control switch







Vehicles with engine code AWW and cruise control system (CCS)

Display group 66 -Cruise control system


Display Group 66:






Significance of the figures in the 4 digit display, display zone 2, brakes, clutch and CCS switches position







Significance of the figures in the 4 digit display, display zone 4, CCS control switches