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

SPI Serial Data Status -Range Ok /Fault

This data indicates whether the Body Function Controller (BFC) is communicating with the Instrument Cluster. OK, is displayed when the Body Function Controller (BFC) is communicating properly on all three lines. Fault, is displayed when the Body Function Controller (BFC) is not properly communicating with the Instrument Cluster on any of the three lines.