The CAN node is set into listen only mode with
Can0ListenOnlyMode=1
Can1ListenOnlyMode=1
where Can0ListenOnlyMode refers to the 1st CAN, and where Can1ListenOnlyMode refers to the 2nd CAN.
Minimum required versions: SICOLOG V1.0.7 / TEMES V1.0.52
For SICOLOG/SICO3/USBDL1:
Required versions: TEMES V1.0.52 to TEMES V1.0.70 and from TEMES V1.0.76 onwards
(Note, that the CAN/CAN_FD listen only mode is preferably selected via the CAN editor from TEMES V1.0.71 onwards. The definition via the device comment is only for backward compatibility.)