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

Data Display

UTD Data Display:




The scan tool displays UTD data. This information assists in determining if the BCM is able to receive the correct data to operate the UTD system. By monitoring the data from various systems, it will determine if the BCM is sending or receiving the proper data to and from a particular system. The BCM uses data received from other systems in order to carry out UTD functions. Therefore, if the BCM receives the incorrect data from another system, the BCM may function improperly. Use the scan tool in order to review the UTD data from the system or systems responsible for that UTD data. The following table describes where to access scan tool data that affects UTD operation Refer to the applicable section for scan tool data definitions.