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

Controlled Power Mode

Wake-ups are signals that turn the BCM ON and cause the BCM to begin active control and/or monitoring. During the controlled power mode, the BCM is awake and controls the battery guard relay output. Battery power is supplied to the above components during this mode.