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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Trailer Brake Control Module: Testing and Inspection

Trailer Brake Control Module Programming and Setup

If the integrated trailer brake control module is replaced or if the module needs to be reprogrammed, refer to Service Programming System (SPS) Service Programming System (SPS).