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

Communications Control Module: Testing and Inspection





PROGRAM THE CTM (Convergence Telematics Module)
When replacing any module not the replacement and programming order. For more information see the MODULE REPLACEMENT AND PROGRAMMING ORDER GUIDE in Programming and Relearning.
After verifying the proper replacement and programming order, follow the steps below to program the CTM.

1. Connect the scan tool.
2. Check vehicle for DTCs.
3. Clear all stored DTCs.
4. Turn car OFF then ON and confirm DTCs are gone.
5. Go to CTM >> Misc. Functions >> Proxi Alignment

If required, continue to programming the next module.