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)

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DTC 55 - Begin Configuration Display

Code 55 is displayed to indicate the next two numbers displayed are BCM hardware and software configurations. The first number following 55 is the hardware configuration, the second number is the software configuration. Code 55 and the two configuration numbers are always displayed.

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After the configuration code numbers are displayed, the entire DTC list is repeated beginning with DTC 12.