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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Checking Control Modules Allow Diagnostics Communication




Checking That The Control Modules Allow Diagnostics Communication

- See the table in the Technical Data section describing how to determine whether a missing control module allows diagnostics communication. Application and ID

Do all 'MISSING' systems allow diagnostics communication?

NO - Diagnostic Procedure For the Control Module's Current Supply

YES - Diagnostic Procedure For the Bus Wiring Harness