As a side thought, is your CAN bus properly terminated? To make the CAN bus work it is my understanding that you need approximately a 100ohm resistor joining CANH and CANL on the last Jaguar. The pin outs can be found in the data sheet available here:
http://www.luminarymicro.com/products/mdl-bdc24.html. I don't know if this will fix the problem but it may be something in the right direction.
-Ian
Programmer, Team 2022