DOKK / manpages / debian 12 / can-utils / isotpdump.1.en
ISOTPDUMP(1) User Commands ISOTPDUMP(1)

isotpdump - manual page for isotpdump 2020.11.0-1

isotpdump [options] <CAN interface>

(source can_id. Use 8 digits for extended IDs)
(destination can_id. Use 8 digits for extended IDs)
(extended addressing mode. Use 'any' for all addresses)
(extended addressing mode (rx addr). Use 'any' for all)
(color mode)
(print data also in ASCII-chars)
(timestamp: (a)bsolute/(d)elta/(z)ero/(A)bsolute w date)
(print uds messages)

CAN IDs and addresses are given and expected in hexadecimal values.

UDS output contains a flag which provides information about the type of the message.

[SRQ]
= Service Request
[PSR]
= Positive Service Response
[NRC]
= Negative Response Code
[???]
= Unknown (not specified)
December 2020 isotpdump 2020.11.0-1