Supported Vehicle Protocols
VCM II Connectors
Please refer to VCM II Hardware Manual for information regarding VCM II connectors.
Updating VCM II Firmware
VCM II firmware updates will be automated using the IDS software. Please refer to the IDS User
Manual for information regarding this procedure.
Care and Maintenance
See VCM II Hardware Manual.
Users should perform the following simple checks to determine if they can resolve any problems with the
VCM II - CFR.
VCM II - CFR will not power On
(No LED's turn On)
VCM II Customer Flight Recorder Operator's Manual
Checks & Possible Causes
Verify that secure cable connections have been
established between the VCM II - CFR and vehicle
DLC or PC USB port
Make sure that the cables do not have any bent, broken,
missing, or dirty/corroded cable connector pins
Make sure that the VCM II - CFR unit does not have
any bent, broken, missing, or dirty/corroded connector
Verify battery voltage at the vehicle DLC powering the
VCM II - CFR is sufficient (12V nominal)
If powering VCM II - CFR from PC USB port verify
that USB port power is available (check port using
USB memory stick) or try a different USB port on the
If after power is applied for 5 seconds and the VCM II
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