A53 Z0 9 0020 L En Technical documentation
In addition of these measures, the module display the last five 5 unknowns SPN/FMI, which have been
received by the module with the diagnostic message (DM1). The known SPN are described below in the
1939 Alarm/Message chapter.
These SPN/FMI are backup in the following parameters.
J1939 SPN LO 1
[E0852],
J1939 SPN HI 1
[E0853],
J1939 SPN FMI 1
[E0854]
Last SPN/FMI received by the module.
J1939 SPN LO 2
[E0855],
J1939 SPN HI 2
[E0856],
J1939 SPN FMI 2
[E0857]
SPN/FMI n°2 received by the module.
J1939 SPN LO 3
[E0858],
J1939 SPN HI 3
[E0859],
J1939 SPN FMI 3
[E0860]
SPN/FMI n°3 received by the module.
J1939 SPN LO 4
[E0861],
J1939 SPN HI 4
[E0862],
J1939 SPN FMI 4
[E0863]
SPN/FMI n°4 received by the module.
J1939 SPN LO 5
[E0864],
J1939 SPN HI 5
[E0865],
J1939 SPN FMI 5
[E0866]
SPN/FMI n°5 received by the module.
Table 66 - Unknown SPN/FMI
(1) SPN LO correspond to LSB of SPN, SPN HI correspond to MSB of SPN.
4/ J1939 CAN bus fault
The parameter [E4080] controls the action to perform on a communication fault of the J1939 CAN bus. This
parameter is available in level 2 in the « Configuration/J1939-MDEC » menu.