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

General Module: Service Precautions

CAUTION:
^ Electronic modules are sensitive to electrical charges. If exposed to these charges, damages may result.
^ Prior to removal of module, it is necessary to upload module configuration information to a scan tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Module Communications Network (Information Bus).
^ Once the new module is installed, it is necessary to download the module configuration information from the scan tool into the new module. For additional information, refer to Module Communications Network (Information Bus).